{
  "_meta": {
    "license": "CC BY 4.0",
    "licenseUrl": "https://creativecommons.org/licenses/by/4.0/",
    "citation": "TapWaterData Editorial. \"Military PFAS Dataset: U.S. Department of Defense PFAS-assessed installations joined to nearby community water systems and federal PFAS drinking-water monitoring (UCMR5).\" Data updated 2026-07-11. Licensed under CC BY 4.0. https://tapwaterdata.com/military-pfas",
    "generatedAt": "2026-07-11",
    "schemaVersion": "1.0.0",
    "regulatoryStatus": "The April 2024 EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z) sets the maximum contaminant levels that are the current, legally enforceable federal limits for these PFAS in public drinking water: 4 parts per trillion (ppt) each for PFOA and PFOS, 10 ppt each for PFHxS, PFNA, and HFPO-DA (GenX), and a Hazard Index of 1 for mixtures of PFHxS, PFNA, HFPO-DA, and PFBS. In 2026 the EPA published two proposals affecting this rule: one (docket EPA-HQ-OW-2025-0654) proposes to rescind the regulatory determinations for the PFHxS, PFNA, HFPO-DA, and PFBS limits together with the Hazard Index, and a companion proposal (docket EPA-HQ-OW-2025-1742) proposes to adjust the compliance timing for the PFOA and PFOS maximum contaminant levels. The public comment period on both proposals closes on July 20, 2026. These are proposals, not final rules: the April 2024 limits remain in force unless and until any change is finalized. UCMR5 results shown here are federal monitoring data, not a violation determination, and a water system's geographic proximity to a military installation is never a statement of cause."
  },
  "meta": {
    "generatedAt": "2026-07-11",
    "schemaVersion": "1.0.0",
    "totals": {
      "total": 723,
      "noFurtherAction": 116,
      "proceeding": 607
    },
    "stats": {
      "basesTotal": 723,
      "basesWithSystems": 347,
      "basesWithZeroSystems": 376,
      "systemsTotal": 2762,
      "federalOnBaseSystems": 225,
      "byJoinBasis": {
        "overlap": 621,
        "within_3mi": 1006,
        "county_zip_fallback": 1135
      },
      "storyTable": {
        "basesExceeds4ppt": 82,
        "systemsExceeds4ppt": 145,
        "basesInDodGap": 75,
        "systemsInDodGap": 133,
        "basesRescissionAffected": 175,
        "systemsRescissionAffected": 382
      }
    },
    "disclaimer": "The April 2024 EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z) sets the maximum contaminant levels that are the current, legally enforceable federal limits for these PFAS in public drinking water: 4 parts per trillion (ppt) each for PFOA and PFOS, 10 ppt each for PFHxS, PFNA, and HFPO-DA (GenX), and a Hazard Index of 1 for mixtures of PFHxS, PFNA, HFPO-DA, and PFBS. In 2026 the EPA published two proposals affecting this rule: one (docket EPA-HQ-OW-2025-0654) proposes to rescind the regulatory determinations for the PFHxS, PFNA, HFPO-DA, and PFBS limits together with the Hazard Index, and a companion proposal (docket EPA-HQ-OW-2025-1742) proposes to adjust the compliance timing for the PFOA and PFOS maximum contaminant levels. The public comment period on both proposals closes on July 20, 2026. These are proposals, not final rules: the April 2024 limits remain in force unless and until any change is finalized. UCMR5 results shown here are federal monitoring data, not a violation determination, and a water system's geographic proximity to a military installation is never a statement of cause.",
    "sources": [
      "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
      "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
      "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
      "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
      "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
      "utility-reported water quality data"
    ]
  },
  "bases": [
    {
      "baseId": "aaof-blair-hangar-vi",
      "name": "AAOF Blair Hangar",
      "branch": "Army",
      "component": "National Guard",
      "state": "Virgin Islands",
      "stateCode": "VI",
      "lat": null,
      "lng": null,
      "dodCleanupStatus": "proceeding",
      "systems": [],
      "flags": {
        "anySystemExceeds4ppt": false,
        "anySystemInDodGap": false,
        "anySystemRescissionAffected": false,
        "hasOnBaseFederalSystem": false
      },
      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
        "utility-reported water quality data"
      ]
    },
    {
      "baseId": "aasf-1-r-w-shepherd-hope-hull-al",
      "name": "AASF #1 R W Shepherd Hope Hull",
      "branch": "Army",
      "component": "National Guard",
      "state": "Alabama",
      "stateCode": "AL",
      "lat": 32.29163,
      "lng": -86.394423,
      "dodCleanupStatus": "proceeding",
      "systems": [
        {
          "pwsid": "AL0001070",
          "name": "MONTGOMERY WW&SSB, CITY OF",
          "populationServed": 276000,
          "ownerType": "L",
          "federalOnBaseSystem": false,
          "joinBasis": "overlap",
          "distanceMiles": 0,
          "citySlug": "al/montgomery",
          "compounds": [
            {
              "compound": "PFOA",
              "ucmr5Tested": true,
              "ucmr5LatestPpt": null,
              "ucmr5MaxPpt": null,
              "ucmr5LatestSampleDate": "2023-12-07",
              "ucmr5SampleCount": 16,
              "ucmr5NonDetect": true,
              "ucmr5MrlPpt": 4,
              "utilityReportedPpt": null,
              "utilityReportedDate": null,
              "mclPpt": 4,
              "exceedsMcl": false,
              "exceeds4ppt": false,
              "inDodGap4to12": false,
              "rescissionAffected": false
            },
            {
              "compound": "PFOS",
              "ucmr5Tested": true,
              "ucmr5LatestPpt": null,
              "ucmr5MaxPpt": null,
              "ucmr5LatestSampleDate": "2023-12-07",
              "ucmr5SampleCount": 16,
              "ucmr5NonDetect": true,
              "ucmr5MrlPpt": 4,
              "utilityReportedPpt": null,
              "utilityReportedDate": null,
              "mclPpt": 4,
              "exceedsMcl": false,
              "exceeds4ppt": false,
              "inDodGap4to12": false,
              "rescissionAffected": false
            },
            {
              "compound": "PFHxS",
              "ucmr5Tested": true,
              "ucmr5LatestPpt": null,
              "ucmr5MaxPpt": null,
              "ucmr5LatestSampleDate": "2023-12-07",
              "ucmr5SampleCount": 16,
              "ucmr5NonDetect": true,
              "ucmr5MrlPpt": 3,
              "utilityReportedPpt": null,
              "utilityReportedDate": null,
              "mclPpt": 10,
              "exceedsMcl": false,
              "exceeds4ppt": false,
              "inDodGap4to12": false,
              "rescissionAffected": false
            },
            {
              "compound": "PFNA",
              "ucmr5Tested": true,
              "ucmr5LatestPpt": null,
              "ucmr5MaxPpt": null,
              "ucmr5LatestSampleDate": "2023-12-07",
              "ucmr5SampleCount": 16,
              "ucmr5NonDetect": true,
              "ucmr5MrlPpt": 4,
              "utilityReportedPpt": null,
              "utilityReportedDate": null,
              "mclPpt": 10,
              "exceedsMcl": false,
              "exceeds4ppt": false,
              "inDodGap4to12": false,
              "rescissionAffected": false
            },
            {
              "compound": "HFPO-DA",
              "ucmr5Tested": true,
              "ucmr5LatestPpt": null,
              "ucmr5MaxPpt": null,
              "ucmr5LatestSampleDate": "2023-12-07",
              "ucmr5SampleCount": 16,
              "ucmr5NonDetect": true,
              "ucmr5MrlPpt": 5,
              "utilityReportedPpt": null,
              "utilityReportedDate": null,
              "mclPpt": 10,
              "exceedsMcl": false,
              "exceeds4ppt": false,
              "inDodGap4to12": false,
              "rescissionAffected": false
            },
            {
              "compound": "PFBS",
              "ucmr5Tested": true,
              "ucmr5LatestPpt": null,
              "ucmr5MaxPpt": null,
              "ucmr5LatestSampleDate": "2023-12-07",
              "ucmr5SampleCount": 16,
              "ucmr5NonDetect": true,
              "ucmr5MrlPpt": 3,
              "utilityReportedPpt": null,
              "utilityReportedDate": null,
              "mclPpt": null,
              "exceedsMcl": false,
              "exceeds4ppt": false,
              "inDodGap4to12": false,
              "rescissionAffected": false
            }
          ],
          "hazardIndexComputed": 0,
          "violations": null,
          "leadUtilityReportedPpb": null,
          "leadReportedDate": null
        }
      ],
      "flags": {
        "anySystemExceeds4ppt": false,
        "anySystemInDodGap": false,
        "anySystemRescissionAffected": false,
        "hasOnBaseFederalSystem": false
      },
      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
        "utility-reported water quality data"
      ]
    },
    {
      "baseId": "aasf-2-birmingham-al",
      "name": "AASF #2 Birmingham",
      "branch": "Army",
      "component": "National Guard",
      "state": "Alabama",
      "stateCode": "AL",
      "lat": null,
      "lng": null,
      "dodCleanupStatus": "proceeding",
      "systems": [],
      "flags": {
        "anySystemExceeds4ppt": false,
        "anySystemInDodGap": false,
        "anySystemRescissionAffected": false,
        "hasOnBaseFederalSystem": false
      },
      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
        "utility-reported water quality data"
      ]
    },
    {
      "baseId": "aasf-2-tn-tn",
      "name": "AASF #2 TN",
      "branch": "Army",
      "component": "National Guard",
      "state": "Tennessee",
      "stateCode": "TN",
      "lat": null,
      "lng": null,
      "dodCleanupStatus": "proceeding",
      "systems": [],
      "flags": {
        "anySystemExceeds4ppt": false,
        "anySystemInDodGap": false,
        "anySystemRescissionAffected": false,
        "hasOnBaseFederalSystem": false
      },
      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
        "utility-reported water quality data"
      ]
    },
    {
      "baseId": "aasf-2-wa-wa",
      "name": "AASF #2 WA",
      "branch": "Army",
      "component": "National Guard",
      "state": "Washington",
      "stateCode": "WA",
      "lat": null,
      "lng": null,
      "dodCleanupStatus": "proceeding",
      "systems": [],
      "flags": {
        "anySystemExceeds4ppt": false,
        "anySystemInDodGap": false,
        "anySystemRescissionAffected": false,
        "hasOnBaseFederalSystem": false
      },
      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
        "utility-reported water quality data"
      ]
    },
    {
      "baseId": "aasf-3-bates-field-mobile-al",
      "name": "AASF #3 Bates Field Mobile",
      "branch": "Army",
      "component": "National Guard",
      "state": "Alabama",
      "stateCode": "AL",
      "lat": null,
      "lng": null,
      "dodCleanupStatus": "proceeding",
      "systems": [],
      "flags": {
        "anySystemExceeds4ppt": false,
        "anySystemInDodGap": false,
        "anySystemRescissionAffected": false,
        "hasOnBaseFederalSystem": false
      },
      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
        "utility-reported water quality data"
      ]
    },
    {
      "baseId": "aasf-byrd-field-va",
      "name": "AASF Byrd Field",
      "branch": "Army",
      "component": "National Guard",
      "state": "Virginia",
      "stateCode": "VA",
      "lat": null,
      "lng": null,
      "dodCleanupStatus": "proceeding",
      "systems": [],
      "flags": {
        "anySystemExceeds4ppt": false,
        "anySystemInDodGap": false,
        "anySystemRescissionAffected": false,
        "hasOnBaseFederalSystem": false
      },
      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
        "utility-reported water quality data"
      ]
    },
    {
      "baseId": "aasf-concord-cold-regions-nh",
      "name": "AASF Concord Cold Regions",
      "branch": "Army",
      "component": "National Guard",
      "state": "New Hampshire",
      "stateCode": "NH",
      "lat": null,
      "lng": null,
      "dodCleanupStatus": "proceeding",
      "systems": [],
      "flags": {
        "anySystemExceeds4ppt": false,
        "anySystemInDodGap": false,
        "anySystemRescissionAffected": false,
        "hasOnBaseFederalSystem": false
      },
      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
        "utility-reported water quality data"
      ]
    },
    {
      "baseId": "aasf-e-j-garn-aviation-complex-ut",
      "name": "AASF-E.J. Garn Aviation Complex",
      "branch": "Army",
      "component": "National Guard",
      "state": "Utah",
      "stateCode": "UT",
      "lat": null,
      "lng": null,
      "dodCleanupStatus": "proceeding",
      "systems": [],
      "flags": {
        "anySystemExceeds4ppt": false,
        "anySystemInDodGap": false,
        "anySystemRescissionAffected": false,
        "hasOnBaseFederalSystem": false
      },
      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
        "utility-reported water quality data"
      ]
    },
    {
      "baseId": "aasf-guam-gu",
      "name": "AASF Guam",
      "branch": "Army",
      "component": "National Guard",
      "state": "Guam",
      "stateCode": "GU",
      "lat": null,
      "lng": null,
      "dodCleanupStatus": "no_further_action",
      "systems": [],
      "flags": {
        "anySystemExceeds4ppt": false,
        "anySystemInDodGap": false,
        "anySystemRescissionAffected": false,
        "hasOnBaseFederalSystem": false
      },
      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
        "utility-reported water quality data"
      ]
    },
    {
      "baseId": "aasf-jackson-ms",
      "name": "AASF Jackson",
      "branch": "Army",
      "component": "National Guard",
      "state": "Mississippi",
      "stateCode": "MS",
      "lat": null,
      "lng": null,
      "dodCleanupStatus": "no_further_action",
      "systems": [],
      "flags": {
        "anySystemExceeds4ppt": false,
        "anySystemInDodGap": false,
        "anySystemRescissionAffected": false,
        "hasOnBaseFederalSystem": false
      },
      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
        "utility-reported water quality data"
      ]
    },
    {
      "baseId": "aasf-main-hangar-cold-storage-nj",
      "name": "AASF Main Hangar-cold storage",
      "branch": "Army",
      "component": "National Guard",
      "state": "New Jersey",
      "stateCode": "NJ",
      "lat": null,
      "lng": null,
      "dodCleanupStatus": "proceeding",
      "systems": [],
      "flags": {
        "anySystemExceeds4ppt": false,
        "anySystemInDodGap": false,
        "anySystemRescissionAffected": false,
        "hasOnBaseFederalSystem": false
      },
      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
        "utility-reported water quality data"
      ]
    },
    {
      "baseId": "aasf-meridian-ms",
      "name": "AASF Meridian",
      "branch": "Army",
      "component": "National Guard",
      "state": "Mississippi",
      "stateCode": "MS",
      "lat": null,
      "lng": null,
      "dodCleanupStatus": "proceeding",
      "systems": [],
      "flags": {
        "anySystemExceeds4ppt": false,
        "anySystemInDodGap": false,
        "anySystemRescissionAffected": false,
        "hasOnBaseFederalSystem": false
      },
      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
        "utility-reported water quality data"
      ]
    },
    {
      "baseId": "aasf-pr-camp-santiago-joint-pr",
      "name": "AASF PR Camp Santiago Joint",
      "branch": "Army",
      "component": "National Guard",
      "state": "Puerto Rico",
      "stateCode": "PR",
      "lat": null,
      "lng": null,
      "dodCleanupStatus": "proceeding",
      "systems": [],
      "flags": {
        "anySystemExceeds4ppt": false,
        "anySystemInDodGap": false,
        "anySystemRescissionAffected": false,
        "hasOnBaseFederalSystem": false
      },
      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
        "utility-reported water quality data"
      ]
    },
    {
      "baseId": "aasf-tupelo-ms",
      "name": "AASF Tupelo",
      "branch": "Army",
      "component": "National Guard",
      "state": "Mississippi",
      "stateCode": "MS",
      "lat": null,
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        "hasOnBaseFederalSystem": false
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        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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      },
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        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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      "branch": "Army",
      "component": "Active",
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      "stateCode": "MD",
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        "hasOnBaseFederalSystem": true
      },
      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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      ]
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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      ]
    },
    {
      "baseId": "bend-cotef-youth-challenge-or",
      "name": "Bend COTEF (Youth Challenge)",
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        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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      ]
    },
    {
      "baseId": "bergstrom-afb-tx",
      "name": "Bergstrom AFB",
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        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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      ]
    },
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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      ]
    },
    {
      "baseId": "bethpage-ny-nwirp-ny",
      "name": "BETHPAGE NY NWIRP",
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      "stateCode": "NY",
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        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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    {
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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      "stateCode": "VT",
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      "sources": [
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        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
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      "sources": [
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        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
        "utility-reported water quality data"
      ]
    },
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      "branch": "Air Force",
      "component": "Active",
      "state": "Mississippi",
      "stateCode": "MS",
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        {
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      "sources": [
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        {
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          "citySlug": "oh/columbus",
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            {
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          "pwsid": "OH2503203",
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        {
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            {
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            },
            {
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              "ucmr5LatestSampleDate": "2024-04-02",
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            {
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            },
            {
              "compound": "PFBS",
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          ],
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          },
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      ],
      "flags": {
        "anySystemExceeds4ppt": true,
        "anySystemInDodGap": true,
        "anySystemRescissionAffected": true,
        "hasOnBaseFederalSystem": false
      },
      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
        "utility-reported water quality data"
      ]
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        "anySystemInDodGap": false,
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        "hasOnBaseFederalSystem": false
      },
      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
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        {
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      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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    {
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      "state": "New Hampshire",
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        "anySystemInDodGap": true,
        "anySystemRescissionAffected": true,
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      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
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      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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      "component": "Active",
      "state": "Arizona",
      "stateCode": "AZ",
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      "lng": -110.370054,
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        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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          "joinBasis": "within_3mi",
          "distanceMiles": 0.03,
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          "pwsid": "AL0000436",
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            },
            {
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            {
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              "ucmr5MrlPpt": 5,
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            },
            {
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              "ucmr5LatestSampleDate": "2025-06-02",
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              "ucmr5MrlPpt": 3,
              "utilityReportedPpt": null,
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          ],
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      ],
      "flags": {
        "anySystemExceeds4ppt": false,
        "anySystemInDodGap": false,
        "anySystemRescissionAffected": false,
        "hasOnBaseFederalSystem": true
      },
      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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      "sources": [
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        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
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      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
        "utility-reported water quality data"
      ]
    },
    {
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      "component": "National Guard",
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      "stateCode": "AR",
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        {
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      "sources": [
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
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      "sources": [
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        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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      "state": "California",
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        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
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        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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        "hasOnBaseFederalSystem": true
      },
      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
        "utility-reported water quality data"
      ]
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      "component": "Active",
      "state": "Pennsylvania",
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        "hasOnBaseFederalSystem": false
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        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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      "component": "Active",
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      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
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      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
        "utility-reported water quality data"
      ]
    },
    {
      "baseId": "military-ocean-terminal-sunny-point-nc",
      "name": "Military Ocean Terminal Sunny Point",
      "branch": "Army",
      "component": "Active",
      "state": "North Carolina",
      "stateCode": "NC",
      "lat": 33.999924,
      "lng": -77.947868,
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      "systems": [
        {
          "pwsid": "NC0410045",
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            }
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          },
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        {
          "pwsid": "NC0465015",
          "name": "CAROLINA BEACH WATER SYSTEM",
          "populationServed": 6864,
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          "joinBasis": "overlap",
          "distanceMiles": 0,
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        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
        "utility-reported water quality data"
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        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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      "name": "NAS PT MUGU CA NAVAIRWARC",
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        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
        "utility-reported water quality data"
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        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
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      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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              "inDodGap4to12": false,
              "rescissionAffected": true
            },
            {
              "compound": "PFNA",
              "ucmr5Tested": true,
              "ucmr5LatestPpt": null,
              "ucmr5MaxPpt": 12,
              "ucmr5LatestSampleDate": "2024-12-11",
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              "inDodGap4to12": false,
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            },
            {
              "compound": "HFPO-DA",
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            },
            {
              "compound": "PFBS",
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              "ucmr5LatestSampleDate": "2024-12-11",
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              "exceeds4ppt": false,
              "inDodGap4to12": false,
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            }
          ],
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          },
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      ],
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        "anySystemExceeds4ppt": true,
        "anySystemInDodGap": true,
        "anySystemRescissionAffected": true,
        "hasOnBaseFederalSystem": false
      },
      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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      ]
    },
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      "component": "Active",
      "state": "New Jersey",
      "stateCode": "NJ",
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        {
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      "sources": [
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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      ]
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      "lng": null,
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        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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      ]
    },
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      "stateCode": "NY",
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      "lng": null,
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        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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      ]
    },
    {
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      "lng": null,
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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      ]
    },
    {
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      "lng": null,
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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      ]
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    {
      "baseId": "saginaw-burn-pit-area-tx",
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      "component": "National Guard",
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        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
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      ]
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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      ]
    },
    {
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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    {
      "baseId": "san-diego-ca-nise-west-ca",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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      ]
    },
    {
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      "component": "National Guard",
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      ]
    },
    {
      "baseId": "stanly-county-airport-nc",
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      "stateCode": "NC",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
        "utility-reported water quality data"
      ]
    },
    {
      "baseId": "state-military-reservation-nh",
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      "component": "National Guard",
      "state": "New Hampshire",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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      ]
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    {
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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      ]
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    {
      "baseId": "stewart-international-airport-ny",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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      "baseId": "stockton-aasf-ca",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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      "baseId": "sudbury-ma",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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      ]
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    {
      "baseId": "sustained-airborne-tng-fac-ut",
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      "sources": [
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        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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        "anySystemInDodGap": false,
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        "hasOnBaseFederalSystem": false
      },
      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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      ]
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    {
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      "name": "TWENTYNINE PALMS CA MAGCC",
      "branch": "Navy",
      "component": "Active",
      "state": "California",
      "stateCode": "CA",
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      "lng": null,
      "dodCleanupStatus": "proceeding",
      "systems": [],
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        "anySystemInDodGap": false,
        "anySystemRescissionAffected": false,
        "hasOnBaseFederalSystem": false
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      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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      ]
    },
    {
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      "name": "Twin Cities Army Ammunition Plant",
      "branch": "Army",
      "component": "Active",
      "state": "Minnesota",
      "stateCode": "MN",
      "lat": 45.093082,
      "lng": -93.174456,
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        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
        "utility-reported water quality data"
      ]
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        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
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        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
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              "mclPpt": 4,
              "exceedsMcl": false,
              "exceeds4ppt": false,
              "inDodGap4to12": false,
              "rescissionAffected": false
            },
            {
              "compound": "PFOS",
              "ucmr5Tested": false,
              "ucmr5LatestPpt": null,
              "ucmr5MaxPpt": null,
              "ucmr5LatestSampleDate": null,
              "ucmr5SampleCount": 0,
              "ucmr5NonDetect": false,
              "ucmr5MrlPpt": null,
              "utilityReportedPpt": null,
              "utilityReportedDate": null,
              "mclPpt": 4,
              "exceedsMcl": false,
              "exceeds4ppt": false,
              "inDodGap4to12": false,
              "rescissionAffected": false
            },
            {
              "compound": "PFHxS",
              "ucmr5Tested": false,
              "ucmr5LatestPpt": null,
              "ucmr5MaxPpt": null,
              "ucmr5LatestSampleDate": null,
              "ucmr5SampleCount": 0,
              "ucmr5NonDetect": false,
              "ucmr5MrlPpt": null,
              "utilityReportedPpt": null,
              "utilityReportedDate": null,
              "mclPpt": 10,
              "exceedsMcl": false,
              "exceeds4ppt": false,
              "inDodGap4to12": false,
              "rescissionAffected": false
            },
            {
              "compound": "PFNA",
              "ucmr5Tested": false,
              "ucmr5LatestPpt": null,
              "ucmr5MaxPpt": null,
              "ucmr5LatestSampleDate": null,
              "ucmr5SampleCount": 0,
              "ucmr5NonDetect": false,
              "ucmr5MrlPpt": null,
              "utilityReportedPpt": null,
              "utilityReportedDate": null,
              "mclPpt": 10,
              "exceedsMcl": false,
              "exceeds4ppt": false,
              "inDodGap4to12": false,
              "rescissionAffected": false
            },
            {
              "compound": "HFPO-DA",
              "ucmr5Tested": false,
              "ucmr5LatestPpt": null,
              "ucmr5MaxPpt": null,
              "ucmr5LatestSampleDate": null,
              "ucmr5SampleCount": 0,
              "ucmr5NonDetect": false,
              "ucmr5MrlPpt": null,
              "utilityReportedPpt": null,
              "utilityReportedDate": null,
              "mclPpt": 10,
              "exceedsMcl": false,
              "exceeds4ppt": false,
              "inDodGap4to12": false,
              "rescissionAffected": false
            },
            {
              "compound": "PFBS",
              "ucmr5Tested": false,
              "ucmr5LatestPpt": null,
              "ucmr5MaxPpt": null,
              "ucmr5LatestSampleDate": null,
              "ucmr5SampleCount": 0,
              "ucmr5NonDetect": false,
              "ucmr5MrlPpt": null,
              "utilityReportedPpt": null,
              "utilityReportedDate": null,
              "mclPpt": null,
              "exceedsMcl": false,
              "exceeds4ppt": false,
              "inDodGap4to12": false,
              "rescissionAffected": false
            }
          ],
          "hazardIndexComputed": null,
          "violations": {
            "totalHealthBased": 1,
            "latestDate": "1985-10-30",
            "source": "EPA ECHO SDWA"
          },
          "leadUtilityReportedPpb": 0.452,
          "leadReportedDate": "2022-03-10"
        },
        {
          "pwsid": "AZ0414082",
          "name": "USMC YUMA MAIN SYSTEM",
          "populationServed": 8353,
          "ownerType": "F",
          "federalOnBaseSystem": true,
          "joinBasis": "county_zip_fallback",
          "distanceMiles": null,
          "citySlug": "az/yuma",
          "compounds": [
            {
              "compound": "PFOA",
              "ucmr5Tested": true,
              "ucmr5LatestPpt": null,
              "ucmr5MaxPpt": null,
              "ucmr5LatestSampleDate": "2024-01-16",
              "ucmr5SampleCount": 4,
              "ucmr5NonDetect": true,
              "ucmr5MrlPpt": 4,
              "utilityReportedPpt": null,
              "utilityReportedDate": null,
              "mclPpt": 4,
              "exceedsMcl": false,
              "exceeds4ppt": false,
              "inDodGap4to12": false,
              "rescissionAffected": false
            },
            {
              "compound": "PFOS",
              "ucmr5Tested": true,
              "ucmr5LatestPpt": null,
              "ucmr5MaxPpt": null,
              "ucmr5LatestSampleDate": "2024-01-16",
              "ucmr5SampleCount": 4,
              "ucmr5NonDetect": true,
              "ucmr5MrlPpt": 4,
              "utilityReportedPpt": null,
              "utilityReportedDate": null,
              "mclPpt": 4,
              "exceedsMcl": false,
              "exceeds4ppt": false,
              "inDodGap4to12": false,
              "rescissionAffected": false
            },
            {
              "compound": "PFHxS",
              "ucmr5Tested": true,
              "ucmr5LatestPpt": null,
              "ucmr5MaxPpt": 3.1,
              "ucmr5LatestSampleDate": "2024-01-16",
              "ucmr5SampleCount": 4,
              "ucmr5NonDetect": false,
              "ucmr5MrlPpt": 3,
              "utilityReportedPpt": null,
              "utilityReportedDate": null,
              "mclPpt": 10,
              "exceedsMcl": false,
              "exceeds4ppt": false,
              "inDodGap4to12": false,
              "rescissionAffected": true
            },
            {
              "compound": "PFNA",
              "ucmr5Tested": true,
              "ucmr5LatestPpt": null,
              "ucmr5MaxPpt": null,
              "ucmr5LatestSampleDate": "2024-01-16",
              "ucmr5SampleCount": 4,
              "ucmr5NonDetect": true,
              "ucmr5MrlPpt": 4,
              "utilityReportedPpt": null,
              "utilityReportedDate": null,
              "mclPpt": 10,
              "exceedsMcl": false,
              "exceeds4ppt": false,
              "inDodGap4to12": false,
              "rescissionAffected": false
            },
            {
              "compound": "HFPO-DA",
              "ucmr5Tested": true,
              "ucmr5LatestPpt": null,
              "ucmr5MaxPpt": null,
              "ucmr5LatestSampleDate": "2024-01-16",
              "ucmr5SampleCount": 4,
              "ucmr5NonDetect": true,
              "ucmr5MrlPpt": 5,
              "utilityReportedPpt": null,
              "utilityReportedDate": null,
              "mclPpt": 10,
              "exceedsMcl": false,
              "exceeds4ppt": false,
              "inDodGap4to12": false,
              "rescissionAffected": false
            },
            {
              "compound": "PFBS",
              "ucmr5Tested": true,
              "ucmr5LatestPpt": null,
              "ucmr5MaxPpt": null,
              "ucmr5LatestSampleDate": "2024-01-16",
              "ucmr5SampleCount": 4,
              "ucmr5NonDetect": true,
              "ucmr5MrlPpt": 3,
              "utilityReportedPpt": null,
              "utilityReportedDate": null,
              "mclPpt": null,
              "exceedsMcl": false,
              "exceeds4ppt": false,
              "inDodGap4to12": false,
              "rescissionAffected": false
            }
          ],
          "hazardIndexComputed": 0,
          "violations": {
            "totalHealthBased": 7,
            "latestDate": "2024-05-12",
            "source": "EPA ECHO SDWA"
          },
          "leadUtilityReportedPpb": null,
          "leadReportedDate": null
        }
      ],
      "flags": {
        "anySystemExceeds4ppt": false,
        "anySystemInDodGap": false,
        "anySystemRescissionAffected": true,
        "hasOnBaseFederalSystem": true
      },
      "sources": [
        "U.S. Department of Defense PFAS PA/SI installation list — installations being assessed for PFAS use or potential release (progress as of September 30, 2025)",
        "U.S. Army Corps of Engineers (USACE) Military Installations, Ranges, and Training Areas (MIRTA) boundaries",
        "EPA ECHO Safe Drinking Water Act (SDWA) public water system records",
        "EPA UCMR5 (Fifth Unregulated Contaminant Monitoring Rule) national PFAS occurrence data — Feb 2026 release",
        "EPA PFAS National Primary Drinking Water Regulation (40 CFR 141 Subpart Z; Federal Register document 2024-07773, published April 26, 2024; EPA docket EPA-HQ-OW-2022-0114)",
        "utility-reported water quality data"
      ]
    }
  ]
}