San Ysidro Water Supply System
Drinking water quality, contact, and Consumer Confidence Report
Serving 1 city in NM · PWSID NM3509723
San Ysidro Water Supply System serves 198 people. 24 health-based violations since 2020 (2 open) in EPA's record — full violation history below.
- People served
- 198
- Health-based violations since 2020
- 24 (2 open)
Data sources: EPA SDWIS, San Ysidro Water Supply System's published Consumer Confidence Report, and compliance monitoring reported to EPA by New Mexico Environment Dept.
This page summarizes publicly available EPA and CCR records. For health decisions about your water, consult your utility or a licensed professional.
Official San Ysidro Water Supply System Resources
Emergency Contact
Help Paying Your San Ysidro Water Supply System Water Bill
- Ask San Ysidro Water Supply System about payment plans and assistance.
- Call 211 to reach local help with utility bills.Verified from 211.org
- Find your local Community Action Agency.Verified from communityactionpartnership.com
- The federal water-bill program (LIHWAP) ended in March 2024.Verified from acf.govVerified from csd.ca.gov
Water outage or no water?
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in New Mexico
San Ysidro Water Supply System Service Area
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This map shows the approximate service area for San Ysidro Water Supply System. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.
San Ysidro Water Supply System Water Quality Grade
Not graded
Monitor on an open violation alone: EPA records 2 open health-based violations for San Ysidro Water Supply System: Failure To Address Deficiency (Groundwater Rule), since Jul 2025 (ongoing) (2 violations). No test results are on file for San Ysidro Water Supply System.
Is San Ysidro Water Supply System Water Safe to Drink?
Monitor on an open violation alone: EPA records 2 open health-based violations for San Ysidro Water Supply System: Failure To Address Deficiency (Groundwater Rule), since Jul 2025 (ongoing) (2 violations). No test results are on file for San Ysidro Water Supply System.
This utility serves 198 people across 1 city in NM. Water quality can vary by location within the service area. Check individual city pages below for detailed contaminant data specific to your area.
Get your water independently tested in New Mexico →How does New Mexico water quality rank nationally? →
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in New Mexico
Fluoride in San Ysidro Water Supply System Water
San Ysidro Water Supply System
PWSID NM3509723
No fluoride level in our data for San Ysidro Water Supply System. Your utility's annual water quality report (CCR) lists it.
San Ysidro Water Supply System Service Area
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San Ysidro Water Supply System Contact & Information
B2B Contact Data
B2B Contact Data Available
Contacts for San Ysidro Water Supply System
| Name | Title | Phone | |
|---|---|---|---|
| J████ S████ | Water Treatment Supervisor | (555) ███-████ | j████@city████.gov |
| M████ J██████ | Utility Director | (555) ███-████ | m████@water████.org |
Water Sources & Treatment
Water Sources
Treatment Methods
San Ysidro Water Supply System Consumer Confidence Report
A Consumer Confidence Report (CCR) is the EPA-mandated annual water-quality report every community water system must publish by July 1 each year (Safe Drinking Water Act §1414(c)(4)). It summarizes contaminants tested, MCL and MCLG comparisons, and any system violations from the prior calendar year.
A current CCR for San Ysidro Water Supply System has not been published or validated on TapWaterData yet.
Residents: contact the utility directly using the phone number above, or check the EPA’s national CCR portal. Reports are typically distributed by mail or posted on the utility’s official website.
San Ysidro Water Supply System Annual Water Quality Reports
We don’t have a link we can confirm belongs to this system, and we’d rather show none than the wrong utility’s. New Mexico Environment Dept publishes drinking-water reports for systems in this state.
Visit New Mexico Environment DeptWhat is a CCR? The Consumer Confidence Report (CCR) is an annual water quality report that water utilities are required by the EPA to provide to customers. It contains information about your water source, detected contaminants, and compliance status.
EPA Health-Based Violations Since 2020
San Ysidro Water Supply System has 24 health-based EPA violations since 2020 (EPA data as of Q2 2026), 2 of them still open.
EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
| Violation | Contaminant or rule | Period | Status | Notice |
|---|---|---|---|---|
| Failure To Address Deficiency | Groundwater Rule | since Jul 2025 (ongoing) | Open, no enforcement action recorded | Tier 2 public notice |
| Failure To Address Deficiency | Groundwater Rule | since Jul 2025 (ongoing) | Open, no enforcement action recorded | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Fluoride | Jul 2024 - Sep 2024 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Fluoride | Apr 2024 - Jun 2024 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Fluoride | Jan 2024 - Mar 2024 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Fluoride | Oct 2023 - Dec 2023 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Fluoride | Jul 2023 - Sep 2023 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Fluoride | Apr 2023 - Jun 2023 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Arsenic | Apr 2023 - Jun 2023 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Fluoride | Jan 2023 - Mar 2023 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Arsenic | Jan 2023 - Mar 2023 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Fluoride | Oct 2022 - Dec 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Arsenic | Oct 2022 - Dec 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Fluoride | Jul 2022 - Sep 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Arsenic | Jul 2022 - Sep 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Fluoride | Apr 2022 - Jun 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Fluoride | Jan 2022 - Mar 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Fluoride | Oct 2021 - Dec 2021 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Fluoride | Jul 2021 - Sep 2021 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Fluoride | Apr 2021 - Jun 2021 | Archived by the state, no resolution recorded | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Fluoride | Jan 2021 - Mar 2021 | Archived by the state, no resolution recorded | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Fluoride | Oct 2020 - Dec 2020 | Archived by the state, no resolution recorded | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Fluoride | Jul 2020 - Sep 2020 | Archived by the state, no resolution recorded | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Fluoride | Apr 2020 - Jun 2020 | Archived by the state, no resolution recorded | Tier 2 public notice |
Concerned about what's in your water?
Upload your tap water report (PDF or a photo) and we'll email you a plain-English explanation of each contaminant and level — free. Educational only, no medical claims.
Your upload also helps us keep local water data accurate — we only ever share anonymized, area-level summaries.
Upload my testFrequently Asked Questions about San Ysidro Water Supply System
Is San Ysidro Water Supply System water safe to drink?
Does San Ysidro Water Supply System have PFAS in its water?
How do I pay my San Ysidro Water Supply System water bill?
How many people does San Ysidro Water Supply System serve?
What cities does San Ysidro Water Supply System serve?
Does San Ysidro Water Supply System have any EPA violations?
What is San Ysidro Water Supply System's phone number?
Where can I find San Ysidro Water Supply System's Consumer Confidence Report?
Similar water utilities in New Mexico
How we built this page
Water-quality and contact data on this page comes from public federal and state records. We update each utility's record whenever its underlying source publishes new data — typically within days of an EPA SDWIS refresh.
- Contaminants & violations: EPA Safe Drinking Water Information System (SDWIS) plus the Unregulated Contaminant Monitoring Rule (UCMR-5) for PFAS and emerging contaminants.
- Annual reports: San Ysidro Water Supply System's most recent published Consumer Confidence Report (CCR), where available.
- Service area & contact: EPA SDWIS. The compliance records it holds for this system are reported to EPA by New Mexico Environment Dept, the state's drinking-water primacy agency.
Spotted a data issue? Use the Spotted something off? link at the bottom of the page — corrections feed back into the next data refresh. Learn more about TapWaterData.
Are you San Ysidro Water Supply System? Publish your 2027 CCR
TapWaterData runs a free CCR publishing service for community water systems. Claim this listing to publish your Consumer Confidence Report here — it inherits this page's search authority and reaches every customer who Googles San Ysidro Water Supply System.
- EPA-compliant distribution. Satisfies the 2027 Revised CCR Rule direct-URL requirement with an auditable archive.
- Publish once a year. Agent-assisted workflow; no login setup for small systems.
- Inherits this page's reach. Your published CCR appears directly on the page customers already find on Google.
Free for operators. No card required. Typical setup: 5 minutes.
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Residents keep our data honest.
This form corrects our data; it does not reach San Ysidro Water Supply System. For a problem with your water now (discolored water, no water, low pressure, a leak), contact San Ysidro Water Supply System directly.
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