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Eau Claire Waterworks

Drinking water quality, contact, and Consumer Confidence Report

Serving 3 cities in WI ยท PWSID WI6180230

Eau Claire Waterworks serves 66,060 people. PFAS detected above health guidelines (Perfluorohexanesulfonic acid) โ€” full contaminant breakdown below.

Monitor
2 contaminants above EPA health-based guidelines (MCLGs) and 1 above EPA's legal limit (MCL, enforceable from April 26, 2029)
People served
66,060
Last EPA sample
2025-09-16
PFAS
Detected (1 compound)
Health-based violations since 2020
0

Data sources: EPA SDWIS, Eau Claire Waterworks'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.

66K
People Served
3
Cities
1
Water Sources
0
Health-based violations since 2020

Official Eau Claire Waterworks Resources

Emergency Contact

715-839-4972

Help Paying Your Eau Claire Waterworks Water Bill

Water-bill help by state

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

What to check when your water is off

Eau Claire Waterworks Service Area

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Service Area

This map shows the approximate service area for Eau Claire Waterworks. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

Eau Claire Waterworks Water Quality Grade

Not graded: Monitor

Eau Claire Waterworks reads Monitor. A letter grade is given only beside a Safe verdict.

3
Above Health Guidelines
0
Health-based violations since 2020

Is Eau Claire Waterworks Water Safe to Drink?

Eau Claire Waterworks has reported 2 contaminants above EPA health-based guidelines (MCLGs) and 1 above EPA's legal limit (MCL, enforceable from April 26, 2029) in at least one city served. We recommend reviewing individual city reports below for specific water quality details.

This utility serves 66,060 people across 3 cities 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 โ†’How does Wisconsin water quality rank nationally? โ†’

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 Eau Claire Waterworks:

Fluoride in Eau Claire Waterworks Water

  • Eau Claire Waterworks

    PWSID WI6180230

    Eau Claire Waterworks reported 0.897 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.

Check fluoride levels by ZIP code

Eau Claire Waterworks Service Area

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Eau Claire Waterworks Contact & Information

Phone

Emergency Line

715-839-4972

Mailing Address

203 S FARWELL Eau Claire, WI 54701

B2B Contact Data

B2B Contact Data Available

Contacts for Eau Claire Waterworks

Updated Jan 2026
Sample Preview (masked)
NameTitlePhoneEmail
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Mโ–ˆโ–ˆโ–ˆโ–ˆ Jโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆUtility Director(555) โ–ˆโ–ˆโ–ˆ-โ–ˆโ–ˆโ–ˆโ–ˆmโ–ˆโ–ˆโ–ˆโ–ˆ@waterโ–ˆโ–ˆโ–ˆโ–ˆ.org
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Water Sources & Treatment

Water Sources

Groundwater

Treatment Methods

air strippingconventionalfiltrationpre-oxidation with chlorine

Disinfectant Used

chloramines, filtration

Eau Claire Waterworks 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 ยง1414(c)(4)). It summarizes contaminants tested, MCL and MCLG comparisons, and any system violations from the prior calendar year.

A current CCR for Eau Claire Waterworks has not been published or validated on TapWaterData yet.

Publish your 2027 CCR

Are you the water operator here? Publish your official 2027-compliant CCR on this page โ€” residents already find it here.

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Residents: contact the utility directly using the phone number above, or check the EPAโ€™s national CCR portal. Reports are typically distributed by mail or posted on the utilityโ€™s official website.

Eau Claire Waterworks Annual Water Quality Reports

Find Eau Claire Waterworksโ€™s report

We donโ€™t have a link we can confirm belongs to this system, and weโ€™d rather show none than the wrong utilityโ€™s. Wisconsin DNR publishes drinking-water reports for systems in this state.

Visit Wisconsin DNR

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

Eau Claire Waterworks has no health-based EPA violation since 2020 (EPA data as of Q2 2026).

EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).

Concerned about what's in your water?

You're viewing 3 contaminants above health-based guidelines here. Your own tap water can differ โ€” upload your test (PDF or a photo) and we'll email a full plain-English reading of every number, free.

Your upload also helps us keep local water data accurate โ€” we only ever share anonymized, area-level summaries.

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Recommended Water Filters for Eau Claire Waterworks

Based on water quality data from cities served by Eau Claire Waterworks, we recommend NSF-certified filters that can remove contaminants above health guidelines.

Filter guides for the contaminants detected here:

Frequently Asked Questions about Eau Claire Waterworks

Is Eau Claire Waterworks water safe to drink?

Eau Claire Waterworks has reported 2 contaminants above EPA health-based guidelines (MCLGs) and 1 above EPA's legal limit (MCL, enforceable from April 26, 2029) in at least one city served. We recommend reviewing individual city reports for specific water quality details.

Does Eau Claire Waterworks have PFAS in its water?

Yes. Eau Claire Waterworks has reported Perfluorohexanesulfonic acid above EPA's enforceable limit under the 2024 PFAS rule (4 ng/L for PFOA and PFOS, 10 ng/L for PFHxS and PFNA), and Perfluorohexanesulfonic acid above the MCLG health goal. PFAS ("forever chemicals") are linked to cancer and developmental issues. A certified NSF/ANSI 53 or 58 filter is rated to reduce them. Compliance is judged on a running annual average, so check the utility's latest Consumer Confidence Report for its official status.

How do I pay my Eau Claire Waterworks water bill?

Contact your local Eau Claire Waterworks office to pay your bill. Address: 203 S FARWELL Eau Claire, WI 54701.

How many people does Eau Claire Waterworks serve?

Eau Claire Waterworks serves 66,060 people across 3 cities in WI.

What cities does Eau Claire Waterworks serve?

Eau Claire Waterworks provides water service to: Altoona, WI; Eau Claire, WI; Seymour, WI.

Does Eau Claire Waterworks have any EPA violations?

No. Eau Claire Waterworks has no health-based EPA violation since 2020 (EPA data as of Q2 2026).

What is Eau Claire Waterworks's phone number?

You can contact Eau Claire Waterworks at . Their mailing address is: 203 S FARWELL Eau Claire, WI 54701.

Where can I find Eau Claire Waterworks's Consumer Confidence Report?

Community water systems must publish an annual CCR. If you're looking for Eau Claire Waterworks's CCR, contact them at the number on your water bill or check back here โ€” we update monthly. The 2027 revised CCR Rule introduces new direct-URL distribution requirements.

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 โ€” typically within days of an EPA SDWIS refresh.

Spotted a data issue? Use the Spotted something off? link at the bottom of the page โ€” corrections feed back into the next data refresh. Learn more about TapWaterData.

Are you Eau Claire Waterworks? 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 โ€” it inherits this page's search authority and reaches every customer who Googles Eau Claire Waterworks.

  • 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.
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This form corrects our data; it does not reach Eau Claire Waterworks. For a problem with your water now (discolored water, no water, low pressure, a leak), contact Eau Claire Waterworks directly.

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