Eau Claire County, Wisconsin
8 ZIP codes · Avg score 75/100 · Grade B · Updated 2026-06-04
Although county size varies, Eau Claire County's 8 ZIP codes share reliably safe tap water records and above-average compliance scores.
How Eau Claire County Compares
How Eau Claire County Compares
Eau Claire County scores 9 points above the Wisconsin state average (66/100) and 7 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
ZIP Code Risk Map
Water Quality Map: Eau Claire County, Wisconsin
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 11.7 (asthma 10.8%, diabetes 9.8%)
Estimated additional annual cost per homeowner: $798, driven primarily by flood
Infrastructure: 0.381% avg pipe failure probability, 25% of ZIPs at high risk
60.1% of homes built before 1978 (lead paint era)
Violation History (2022–2024)
→ Stable trendEPA violation counts by year across Eau Claire County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 9 violations. Past 5 years: 12 total (12 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $798
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
45,855 housing units in Eau Claire County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Eau Claire County
Remediation costs are relatively manageable for most homeowners in Eau Claire County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Eau Claire County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Eau Claire County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Eau Claire Waterworks | 70,587 | 32 |
| 2 | Priory the | 185 | 26 |
| 3 | Villa Diann Mhp | 420 | 21 |
| 4 | Pine Edge Mhp | 300 | 21 |
| 5 | Cozy Mhp Llc Front | 111 | 21 |
14 total water systems serve Eau Claire County.
All ZIP Codes in Eau Claire County
8 ZIP codes tracked in Eau Claire County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 54738 | Eleva | 82 | B | 9 (1 health) | $277K |
| 2 | 54742 | Fall Creek | 82 | B | 5 (1 health) | $272K |
| 3 | 54702 | Eau Claire | 78 | B | 7 | — |
| 4 | 54720 | Altoona | 77 | B | 6 (3 health) | $223K |
| 5 | 54701 | Eau Claire | 73 | B | 7 | $265K |
| 6 | 54703 | Eau Claire | 73 | B | 7 | $225K |
| 7 | 54722 | Augusta | 70 | B | 7 | $220K |
| 8 | 54746 | Humbird | 63 | C | 0 | $118K |
Recommended Buyer Guides for Eau Claire County
Filtered against federal data, fitted to local risks.
- Best Lead Paint Test Kits — 60.1% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Eau Claire County, Wisconsin
Overview
Eau Claire County in Wisconsin covers 8 ZIP codes with an average Home Safety Score of B (75/100).
7 of 8 ZIP codes have recorded EPA violations. 5 health-based violations have been documented.
← Back to Wisconsin water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.