Eau Claire
WI

Is Eau Claire, WI Tap Water Safe to Drink?

Eau Claire tap water meets federal Safe Drinking Water Act standards but 3 of 3 ZIP codes show detections above EPA health guidelines, primarily for PFHxS. A certified filter is recommended for households that want an additional layer of protection.

1Water system
3ZIP codes
100%ZIPs above EPA guideline
Metro areaEau Claire, WI
Latest data2023-07-17

Where Does Eau Claire Get Its Water?

Water in Eau Claire, WI is provided by 1 public water system: EAU CLAIRE WATERWORKS.

How Is Eau Claire Tap Water Treated?

Treated water is disinfected using free chlorine. Treatment includes conventional treatment (coagulation, flocculation, and filtration) and slow sand filtration.

What's in Eau Claire Tap Water?

The following contaminants were detected most frequently in Eau Claire public water systems. 3 of 3 ZIP codes showed detections above EPA health guidelines.

ContaminantPeak detectedEPA guidelineZIPs detectedStatus
PFHxS 0.0091 µg/L 0.004 µg/L 3 ZIPs Above guideline
lithium 9 µg/L — 0 ZIPs Within guideline
PFTrDA 0.007 µg/L — 0 ZIPs Within guideline
8:2 FTS 0.005 µg/L — 0 ZIPs Within guideline
6:2 FTS 0.005 µg/L — 0 ZIPs Within guideline

Health Risk Profile for Eau Claire

Based on EPA monitoring data, 3 of 3 ZIP codes in Eau Claire have recorded detections above EPA health guidelines. Sensitive populations such as infants, pregnant individuals, and those with weakened immune systems may benefit from an additional layer of protection such as a certified point-of-use filter.

Best Filters for PFAS Water Profile

PFAS compounds are detected in this water supply. A reverse osmosis (RO) system or an activated-carbon filter specifically certified under NSF/ANSI P473 is required for reliable PFAS reduction. Standard pitcher and faucet filters without P473 certification do not remove PFAS.

Waterdrop G3P600 Reverse Osmosis System
Under-sink RO system

8-stage tankless RO system certified to NSF/ANSI 58, reduces 1,000+ contaminants including PFAS, lead, arsenic, fluoride, and nitrates.

Epic Pure XP Water Filter Pitcher
Pitcher filter

NSF-certified dual-layer filtration reduces 70+ contaminants including PFAS, lead, chlorine, microplastics, and bacteria.

See recommendations matched to your exact address: choose your ZIP code below.

Frequently Asked Questions about Eau Claire Tap Water

Is Eau Claire tap water safe to drink?

Eau Claire tap water meets Safe Drinking Water Act requirements but 3 of 3 ZIP codes show contaminant levels above EPA health-based guidelines. A certified point-of-use filter adds an extra layer of protection.

What contaminants are in Eau Claire tap water?

The most commonly detected contaminants in Eau Claire water systems include: PFHxS, lithium, PFTrDA. See the ZIP-level reports for exact measurements and EPA guideline comparisons.

Where does Eau Claire get its drinking water?

Eau Claire receives water from one public water system, including EAU CLAIRE WATERWORKS.

Do I need a water filter in Eau Claire?

If your ZIP code is among those with detections above EPA health guidelines, choose a filter certified for the specific contaminants shown in your ZIP report. Reverse osmosis is generally the broadest option for PFAS, lithium, and many other dissolved contaminants.

How often is Eau Claire tap water tested?

Public water systems in Eau Claire are required by the EPA to test for regulated contaminants on schedules ranging from daily (for microbials and disinfectants) to annual or triennial (for many chemical contaminants). Results are published in annual Consumer Confidence Reports (CCRs). The data on this page reflects the most recent available EPA monitoring results, with the latest sample date of 2023-07-17.

Tap water reports by ZIP in Eau Claire

Water utilities serving Eau Claire, WI

Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.

Modeled boundaries are shown with a dashed outline.

Also covers / overlaps with