La Crosse County, Wisconsin
10 ZIP codes · Avg score 78/100 · Grade B · Updated 2026-07-19
ZipCheckup grade for La Crosse: B.
This ZIP looks solid, with a few items worth a quick check.
In current tracking cycles, La Crosse County - spanning 10 ZIP codes - records above-average water quality outcomes; the county's compliance history over recent years shows few departures from federal standards.
How La Crosse County Compares
How La Crosse County Compares
La Crosse County scores 12 points above the Wisconsin state average (66/100) and 10 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-07-19
ZIP Code Risk Map
Water Quality Map: La Crosse County, Wisconsin
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.1 (asthma 11.2%, diabetes 10.1%)
Estimated additional annual cost per homeowner: $1,182, driven primarily by flood
Infrastructure: 0.37% avg pipe failure probability, 30% of ZIPs at high risk
58.6% of homes built before 1978 (lead paint era)
Violation History (2022–2024)
→ Stable trendEPA violation counts by year across La Crosse County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 4 violations. Past 5 years: 5 total (5 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: $1,182
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
53,584 housing units in La Crosse 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 La Crosse County
Remediation costs are relatively manageable for most homeowners in La Crosse 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 La Crosse County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving La Crosse County
8 community water systems serving La Crosse County.
- B
- B
- B
- B
- B
- B
Show all 8 water systems
- B
- B
16 total water systems serve La Crosse County.
Systems with the most violations in La Crosse County
5 water systems with recorded EPA violations.
- B
- B
- B
- B
- B
All ZIP Codes in La Crosse County
10 ZIP codes tracked in La Crosse County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 54669 | West Salem | 83 | B | 1 | $289K |
| 2 | 54636 | Holmen | 82 | B | 5 (1 health) | $291K |
| 3 | 54644 | Mindoro | 82 | B | 3 (1 health) | $263K |
| 4 | 54653 | Rockland | 82 | B | 2 (1 health) | $254K |
| 5 | 54614 | Bangor | 80 | B | 3 | $238K |
| 6 | 54602 | La Crosse | 78 | B | 25 (1 health) | — |
| 7 | 54650 | Onalaska | 78 | B | 0 | $279K |
| 8 | 54601 | La Crosse | 74 | B | 25 (1 health) | $220K |
| 9 | 54658 | Stoddard | 74 | B | 4 (1 health) | $229K |
| 10 | 54603 | La Crosse | 69 | C | 25 (1 health) | $176K |
Recommended Buyer Guides for La Crosse County
Below: editorial picks, no sponsored placements.
- Best Lead Paint Test Kits — 58.6% 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 La Crosse County, Wisconsin
Overview
La Crosse County in Wisconsin covers 10 ZIP codes with an average Home Safety Score of B (78/100).
9 of 10 ZIP codes have recorded EPA violations. 7 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.