Apr 15, 2026 · 7 min read
PFAS "Forever Chemicals" in US Drinking Water: 2026 Update
PFAS contamination affects an estimated 200 million Americans. Here's what the latest EPA enforcement means for your tap water.
EAU CLAIRE, Wisconsin Tap Water Quality
70,899 people served · 5 water systems
A
ExcellentEAU CLAIRE, Wisconsin is a mid-sized community with 70,899 residents served by 5 public water systems. Water service covers ZIP codes 54701, 54702.
EAU CLAIRE's drinking water utilities have maintained full EPA compliance over the most recent five-year reporting window — no health-based MCL exceedances have been recorded.
Last updated: 2026-05-18 · Source: EPA SDWIS
Location
Loading map...
Centered on ZIP-code centroids of water systems serving this city.
ZIP Codes Served
Health-Based Violations (Last 5 Years)
EPA Maximum Contaminant Level exceedances reported by water systems serving EAU CLAIRE. Each entry explains the contaminant, the health risk, and recommended precautions, and links to a full guide.
✅
No health-based violations in the last 5 years.
EAU CLAIRE's water systems have met EPA health-based Maximum Contaminant Level (MCL) requirements throughout the EPA reporting window. This does not mean zero detection of regulated contaminants — it means all measured concentrations remained below their federal action levels.
Water Systems Serving EAU CLAIRE
What Can You Do?
- ✅ Request your utility's annual Consumer Confidence Report (CCR) — required by law.
- ✅ Use an NSF-certified water filter if violations involve lead, arsenic, or PFAS.
- ✅ Run cold water for 30 seconds before drinking if you have older plumbing (reduces lead).
- ✅ Check back monthly — we update data from the EPA every 30 days.
About this data
This overview reflects EPA SDWIS data published as of 2026-05-18. It covers active Community Water Systems (CWS) that remained within federal Maximum Contaminant Levels during the past five-year EPA reporting window. For up-to-the-minute information, request a current Consumer Confidence Report from your utility, or review the EPA's public dashboard.
Frequently Asked Questions
Is EAU CLAIRE, Wisconsin tap water safe to drink?▼
This city's water had no EPA health-based violations in the last 5 years.
How many EPA violations does EAU CLAIRE have?▼
EAU CLAIRE has 0 EPA health-based water violations in the last 5 years across 5 water systems serving 70,899 people.
Should I use a water filter in EAU CLAIRE?▼
Using an NSF-certified water filter is recommended if your area has violations involving lead, arsenic, or PFAS. For other contaminants, consult your local water utility. Check the annual Consumer Confidence Report (CCR) for detailed guidance.
What should I do if there are violations in EAU CLAIRE?▼
Request your water utility's annual Consumer Confidence Report (CCR), which is required by the EPA. Follow the utility's guidance on boil water advisories. Run cold water for 30 seconds before drinking if you have older plumbing. Use an NSF-certified filter if needed based on your water system's violations.
More Cities in Wisconsin
View all Wisconsin cities →From the Blog
Photo by Bluewater Sweden on Unsplash
Mar 22, 2026 · 6 min read
How to Read Your Annual Water Quality Report (CCR)
Your water utility is legally required to send you a Consumer Confidence Report every year. Here's how to actually understand it.
Photo by Louis Hansel on Unsplash
Mar 5, 2026 · 9 min read
Lead in Tap Water: The Complete 2026 Guide
Lead enters drinking water through old pipes and fixtures. Here's how to identify your risk and what to do about it.
Photo by Eduardo Casajús Gorostiaga on Unsplash
Feb 18, 2026 · 5 min read
What Is an EPA Maximum Contaminant Level (MCL)?
MCLs are the foundation of US drinking water safety. Here's how they're set and what they mean for your tap.
Photo by Naja Bertolt Jensen on Unsplash
