EPA data as of Oct 2026 · page updated 2026-10-30

Home hazard report for 54701 — Eau Claire, WI

ZIP 54701 is served by Eau Claire Waterworks: no health-based violations since 2016, latest lead result 2 ppb, PFAS 2 detected. Eau Claire County is in EPA radon zone 2.

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Where ZIP 54701 is

Dashed: ZIP area · blue: utility service area · scroll or pinch to zoom
ZIP code areaZIP center Water utility service area PFOA/PFOS ≥ 4 ppt Lead > 15 ppb 5+ violations Superfund site (active) proposed cleaned up Circles: other water systems flagged nearby; size = people served. Tap any symbol for details.

Drinking water: Eau Claire Waterworks

EPA IDWI6180230
People served70,587
Sourcegroundwater (wells)
Connections26,997

Health-based violations

No health-based violations reported since 2016.

Full record for Eau Claire Waterworks →

Other systems overlapping this ZIP: Priory the.

Lead

Jan 20232 ppb
Jul 20224 ppb
Jul 20203.9 ppb
Jun 20177.6 ppb
Jun 20145.2 ppb
Jan 20084.4 ppb
Jan 20052.5 ppb
Jan 20024.2 ppb

90th-percentile lead per sampling round (90% of the homes sampled were at or below this level). Black line: EPA’s 15 ppb action level; under the Lead and Copper Rule Improvements the action level becomes 10 ppb from 2027.

PFAS (“forever chemicals”)

CompoundHighest resultSamples with detectionEPA limit
PFHxS11 ppt2 of 2—
PFBS3 ppt1 of 2—
PFPeAnot detected0 of 2—
HFPO-DA (GenX)not detected0 of 2—
PFBAnot detected0 of 2—
PFHxAnot detected0 of 2—
PFDAnot detected0 of 2—
PFOAnot detected0 of 24 ppt MCL
PFOSnot detected0 of 24 ppt MCL
PFNAnot detected0 of 2—
PFHpAnot detected0 of 2—

EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR 5), samples 2023–2025; ppt = parts per trillion (ng/L). The 4.0 ppt maximum contaminant levels for PFOA and PFOS were set by EPA in 2024; water systems have until the end of the decade to comply.

Radon in Eau Claire County

EPA radon zone 2 — moderate potential. Predicted average indoor radon between 2 and 4 pCi/L. Test your home; many homes here exceed 4 pCi/L.

Radon is a colorless, odorless radioactive gas from soil and rock, and the leading cause of lung cancer among non-smokers. EPA recommends fixing a home at 4 pCi/L or above and considering it from 2 pCi/L. A short-term test kit costs about $15–30. How radon zones work →

Natural hazard risk

FEMA rates the overall natural-hazard risk of this neighborhood (census tract) as Relatively High, with relatively moderate social vulnerability and relatively high community resilience.

Cold waveVery High
HailRelatively High
LightningRelatively High
Riverine floodingRelatively High
Strong windRelatively High
TornadoRelatively High
Winter weatherRelatively High
Heat waveRelatively Moderate
Ice stormRelatively Moderate
LandslideRelatively Moderate
WildfireRelatively Low
DroughtVery Low
EarthquakeVery Low

FEMA National Risk Index (December 2025): expected annual losses from each hazard combined with social vulnerability and community resilience, rated relative to all U.S. census tracts. Hazards not listed are not applicable here. It describes the area, not a single building; flood insurance maps (FEMA FIRMs) decide flood-insurance requirements.

Live conditions: river gauges and flood levels · tornado warnings · wildfire detections · earthquakes — our sister maps, updated from NOAA, USGS and NASA every few minutes.

Superfund sites nearby

SiteStatusDistance
Waste Research & Reclamation Co.
Eau Claire, Wisconsin · EPA ID WID990829475
Cleaned up & deleted2.8 mi
Eau Claire Municipal Well Field
Eau Claire, Wisconsin · EPA ID WID980820054
Cleaned up & deleted7.0 mi
National Presto Industries, Inc.
Eau Claire, Wisconsin · EPA ID WID006196174
Active (final NPL)8.1 mi

EPA Superfund National Priorities List (NPL): the country’s most serious known hazardous-waste sites, each with an EPA cleanup record (linked). Distance is measured from the ZIP center to the site’s reference point; being near a site does not by itself mean exposure — EPA site pages describe what was found and how it is being cleaned up.

Buying a home in Eau Claire? See the 2026 conforming, FHA and jumbo loan limits for Eau Claire County →

What this is — and isn’t. These are records your water utility and state reported to the EPA, and the EPA’s radon map for your county. They describe the system and the area, not the water from your own tap or the air in your home. For that, read your utility’s annual Consumer Confidence Report and test: lead and radon tests are inexpensive.

Questions about 54701

Who supplies drinking water to ZIP 54701?

Eau Claire Waterworks (EPA ID WI6180230), a groundwater (wells) system serving about 70,587 people.

Is there lead in Eau Claire, WI tap water?

The utility’s latest 90th-percentile lead result (Jan 2023) was 2 ppb; EPA’s action level is 15 ppb, falling to 10 ppb from 2027. Lead mostly comes from service lines and home plumbing, so the only way to know your tap is to test it.

Does Eau Claire, WI water have PFAS?

PFAS were detected, with PFOA and PFOS below 4.0 ppt (highest not detected).

Has the water system in 54701 had violations?

No health-based violations reported since 2016.

What natural hazards affect ZIP 54701?

FEMA’s National Risk Index rates the overall natural-hazard risk here as Relatively High; the highest-rated hazards are cold wave (very high), hail (relatively high), lightning (relatively high).

Are there Superfund sites near 54701?

The nearest active Superfund site is 8.1 miles away. Sites within 10 miles: Waste Research & Reclamation Co. (2.8 mi, Cleaned up & deleted); Eau Claire Municipal Well Field (7.0 mi, Cleaned up & deleted); National Presto Industries, Inc. (8.1 mi, Active (final NPL)).

Is radon a problem in Eau Claire County?

Eau Claire County is in EPA radon zone 2 (moderate potential). Predicted average indoor radon between 2 and 4 pCi/L. Test your home; many homes here exceed 4 pCi/L.