Waukesha Water Utility
Drinking water quality, contact, and Consumer Confidence Report
Serving 1 city in WI · PWSID WI2680238
Waukesha Water Utility serves 70,718 people. 82 health-based violations since 2020 in EPA's record — full violation history below.
- People served
- 70,718
- Last EPA sample
- 2024-04-05
- PFAS
- Not detected
- Health-based violations since 2020
- 82
Data sources: EPA SDWIS, Waukesha Water Utility's published Consumer Confidence Report, and compliance monitoring reported to EPA by Wisconsin DNR.
This page summarizes publicly available EPA and CCR records. For health decisions about your water, consult your utility or a licensed professional.
Official Waukesha Water Utility Resources
Help Paying Your Waukesha Water Utility Water Bill
- Ask Waukesha Water Utility 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 Wisconsin
Waukesha Water Utility Service Area
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This map shows the approximate service area for Waukesha Water Utility. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.
Waukesha Water Utility Water Quality Grade
Not graded: Monitor
Waukesha Water Utility reads Monitor. A letter grade is given only beside a Safe verdict.
Is Waukesha Water Utility Water Safe to Drink?
Waukesha Water Utility has reported 2 contaminants above EPA health-based guidelines (MCLGs) and 1 above EPA's legal limit (MCL) in at least one city served. Waukesha Water Utility has 82 health-based EPA violations since 2020 (EPA data as of Q2 2026), none of them open. We recommend reviewing individual city reports below for specific water quality details.
This utility serves 70,718 people across 1 city in WI. 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 Wisconsin →How does Wisconsin 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 Wisconsin
Learn more about the contaminants detected in Waukesha Water Utility:
Fluoride in Waukesha Water Utility Water
Waukesha Water Utility
PWSID WI2680238
Waukesha Water Utility reported 0.72 mg/L, at or above the 0.7 mg/L U.S. Public Health Service recommendation and below the 1.5 mg/L WHO guideline value and NTP neurodevelopment review level.
Waukesha Water Utility Service Area
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Waukesha Water Utility Contact & Information
Mailing Address
B2B Contact Data
B2B Contact Data Available
Contacts for Waukesha Water Utility
| 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
Disinfectant Used
hypochlorite
Waukesha Water Utility 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 Waukesha Water Utility 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.
Waukesha Water Utility Annual Water Quality Reports
Historical reports are being compiled. Check back soon for archived water quality data.
What 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
Waukesha Water Utility has 82 health-based EPA violations since 2020 (EPA data as of Q2 2026), none of them open.
EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
| Violation | Contaminant or rule | Period | Status | Notice |
|---|---|---|---|---|
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Oct 2023 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Oct 2023 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Jul 2023 - Sep 2023 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Jul 2023 - Sep 2023 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Apr 2023 - Jun 2023 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Apr 2023 - Jun 2023 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Apr 2023 - Jun 2023 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Apr 2023 - Jun 2023 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Jan 2023 - Mar 2023 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Jan 2023 - Mar 2023 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Jan 2023 - Mar 2023 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Jan 2023 - Mar 2023 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Jan 2023 - Mar 2023 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Oct 2022 - Dec 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Oct 2022 - Dec 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Oct 2022 - Dec 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Oct 2022 - Dec 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Oct 2022 - Dec 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Jul 2022 - Sep 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Jul 2022 - Sep 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Jul 2022 - Sep 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Jul 2022 - Sep 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Jul 2022 - Sep 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Jul 2022 - Sep 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Apr 2022 - Jun 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Apr 2022 - Jun 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Apr 2022 - Jun 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Apr 2022 - Jun 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Apr 2022 - Jun 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Apr 2022 - Jun 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Jan 2022 - Mar 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Jan 2022 - Mar 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Jan 2022 - Mar 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Jan 2022 - Mar 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Jan 2022 - Mar 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Jan 2022 - Mar 2022 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Oct 2021 - Dec 2021 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Oct 2021 - Dec 2021 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Oct 2021 - Dec 2021 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Oct 2021 - Dec 2021 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Oct 2021 - Dec 2021 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Oct 2021 - Dec 2021 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Jul 2021 - Sep 2021 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Jul 2021 - Sep 2021 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Jul 2021 - Sep 2021 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Jul 2021 - Sep 2021 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Jul 2021 - Sep 2021 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Jul 2021 - Sep 2021 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Apr 2021 - Jun 2021 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Apr 2021 - Jun 2021 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Apr 2021 - Jun 2021 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Apr 2021 - Jun 2021 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Apr 2021 - Jun 2021 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Apr 2021 - Jun 2021 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Jan 2021 - Mar 2021 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Jan 2021 - Mar 2021 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Jan 2021 - Mar 2021 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Jan 2021 - Mar 2021 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Jan 2021 - Mar 2021 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Jan 2021 - Mar 2021 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Oct 2020 - Dec 2020 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Oct 2020 - Dec 2020 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Oct 2020 - Dec 2020 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Oct 2020 - Dec 2020 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Oct 2020 - Dec 2020 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Oct 2020 - Dec 2020 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Jul 2020 - Sep 2020 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Jul 2020 - Sep 2020 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Jul 2020 - Sep 2020 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Jul 2020 - Sep 2020 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Jul 2020 - Sep 2020 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Jul 2020 - Sep 2020 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Apr 2020 - Jun 2020 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Apr 2020 - Jun 2020 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Apr 2020 - Jun 2020 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Apr 2020 - Jun 2020 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Apr 2020 - Jun 2020 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Jan 2020 - Mar 2020 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Jan 2020 - Mar 2020 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Jan 2020 - Mar 2020 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Jan 2020 - Mar 2020 | Resolved | Tier 2 public notice |
| Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Jan 2020 - Mar 2020 | Resolved | Tier 2 public notice |
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Frequently Asked Questions about Waukesha Water Utility
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Does Waukesha Water Utility have any EPA violations?
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Where can I find Waukesha Water Utility's Consumer Confidence Report?
Similar water utilities in Wisconsin
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: Waukesha Water Utility'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 Wisconsin DNR, 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 Waukesha Water Utility? Publish your 2027 CCR
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- EPA-compliant distribution. Satisfies the 2027 Revised CCR Rule direct-URL requirement with an auditable archive.
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- Inherits this page's reach. Your published CCR appears directly on the page customers already find on Google.
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