Is Eau Claire tap water safe to drink?

Yes with good quality

Eau Claire's tap water meets all EPA standards and scores well on our analysis. It is generally safe to drink though filtration can improve taste and provide extra precaution.

82/100
Purity Score
3
Issues Found
7 GPG
Hardness
Not detected
PFAS

3 Issues Detected in Eau Claire

Moderately Hard Water (7 GPG)

Hardness above 7 GPG can cause minor scale buildup.

Hardness data for Eau Claire

Moderate Chlorine Level

Chlorine within EPA limits but may affect taste.

Chlorine info for Eau Claire

Arsenic Approaching Limit (0.2 mg/L)

EPA limit is 0.010 mg/L.

Arsenic info for Eau Claire
Wisconsin

5,470,154,703 · Eau Claire River and groundwater

Eau Claire, WI Water Quality Report

Low Risk Updated March 2026 69,421 residents
See Best Filters for Eau Claire
82
Purity Score

Contaminant Levels

PFAS
ND
Lead
3 ppb
Nitrate
0.4 mg/L
Arsenic
0.2 mg/L
Hardness
7 gpg

Health Insights

  • 1
    With a hardness of 7 GPG, Eau Claire residents may notice white scale on faucets. Hard water increases maintenance costs.
  • 2
    Chlorine levels may affect the taste of Eau Claire's tap water. A carbon filter improves flavor.

Score

82 /100
Good
"Good" threshold (70)

Eau Claire tap water is sourced from Eau Claire River and groundwater and treated by City of Eau Claire Water. Overall purity score: 82/100 (Good). Updated for 2026.

Fix Your Water

Best filters matched to Eau Claire's 3 issues.

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Explore Eau Claire Water Data

PFAS in Eau ClaireForever chemicals
Lead in Eau ClaireLead risk
Eau Claire Hard WaterHardness data
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Eau Claire Water FAQ

Is Eau Claire WI tap water safe to drink in 2026?
Eau Claire tap water meets EPA federal drinking water standards and scores 82/100 (Good) on PurityMap for 2026. For most healthy adults the water is considered safe but point-of-use filtration adds an important layer of protection.
Does Eau Claire WI use chlorine or chloramine for disinfection?
Eau Claire uses chloramine as the primary disinfectant with a residual level of 1.2 ppm. Chloramine is harder to remove than free chlorine and requires a catalytic carbon or reverse osmosis filter. Standard Brita-style pitchers will NOT remove chloramine.
How hard is Eau Claire WI water and what is the TDS level?
Eau Claire water hardness is 7.0 grains per gallon (moderate) with a TDS of 245 ppm (fair). This level is unlikely to cause significant scale buildup in household plumbing.
Has PFAS been found in Eau Claire WI drinking water?
Based on available EPA UCMR5 monitoring data as of 2026 PFAS have not been detected above EPA advisory levels in Eau Claire drinking water.
What is the best water filter for Eau Claire?
Based on Eau Claire's water profile, we recommend the AFWFilters 5600sxt 48000 Grain Softener. Eau Claire has elevated chlorine residuals. An under-sink carbon filter removes chlorine and disinfection byproducts at the tap.

Nearby Reports

MadisonWisconsin — 58/100JanesvilleWisconsin — 73/100Green BayWisconsin — 79/100KenoshaWisconsin — 79/100RacineWisconsin — 79/100AppletonWisconsin — 79/100

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Data Sources

  • EPA SDWIS
  • EWG Tap Water Database
  • City of Eau Claire Water CCR
  • USGS monitoring data

PurityMap compiles public data. Updated March 2026.

© 2026 PurityMap. For informational purposes only.

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