COUNTY REPORT WI

Trempealeau County, Wisconsin

11 ZIP codes · Home Safety Score unavailable · 0 of 11 tracked ZIP records scored · Updated

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:

Unavailable
0 of 11 tracked ZIP records scored
11
ZIP Codes
$207K
Median Home Value
$2,413
Avg Remediation (117% of home value)

ZIP Code Risk Map

Water Quality Map: Trempealeau County, Wisconsin

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 14 (asthma 10.6%, diabetes 12.3%)

Estimated additional annual cost per homeowner: $1,163, driven primarily by flood

64.4% of homes built before 1978 (lead paint era)

Violation History (2023–2024)

→ Stable trend

EPA violation counts by year across Trempealeau County water systems. Health-based shown in red, total in blue.

2023
2 (2 health)
2024
1 (1 health)

Peak year: 2023 with 2 violations. Past 5 years: 3 total (3 health-based).

Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.

County Health Indicators vs National Average

Asthma 10.6% (national: 8.9%)
Diabetes 12.3% (national: 10.5%)
Obesity 41.3% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1975
Median Build Year
64.4%
Pre-1978 Housing
41/100
Infrastructure Stress Indicator
45%
ZIPs with High Infrastructure Stress
Low
Lead Pipe Risk

Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $1,163

Flood $556/yr
Energy Code Gap $319/yr
Water Infrastructure $173/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

13,762 housing units in Trempealeau County

Pre-1940 22%
1940–1959 13%
1960–1979 21%
1980–1999 23%
2000+ 21%

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 Trempealeau County

$207K
Median Home Value
$2,413
Est. Remediation Cost
1.2%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Trempealeau 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 Trempealeau County residents

Asthma 10.6% (US avg: 8.9%)
Diabetes 12.3% (US avg: 11%)
Obesity 41.3% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water systems serving Trempealeau County

4 community water systems serving Trempealeau County.

Systems with the most violations in Trempealeau County

1 water system with recorded EPA violations.

All ZIP Codes in Trempealeau County

11 ZIP codes tracked in Trempealeau County.

# ZIP Code City Safety Score Grade Violations Home Value
1 54612 Arcadia 0 $190K
2 54616 Blair $171K
3 54625 Dodge $182K
4 54627 Ettrick 3 (1 health) $217K
5 54630 Galesville 3 (1 health) $262K
6 54661 Trempealeau $252K
7 54747 Independence 0 $176K
8 54758 Osseo 0 $210K
9 54760 Pigeon Falls $207K
10 54770 Strum 0 $213K
11 54773 Whitehall 0 $166K

Recommended Buyer Guides for Trempealeau County

Methodologically, the recommendation order reflects severity in the federal record: contaminants flagged in EPA detection records for this county outrank generic water concerns, FEMA-confirmed hazard ratings shift emergency-related categories upward, and CDC lead-exposure markers govern when lead-test kits and certified filters appear at the top of the list.

Overview

Trempealeau County in Wisconsin covers 11 tracked ZIP records. No Home Safety Score is published because the required model evidence is incomplete for every tracked record; missing evidence is not treated as zero.

2 of 7 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 1 health-based violation appear in the available health breakdown.

← Back to Wisconsin Home Safety Profile

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Frequently Asked Questions

How many water systems serve Trempealeau County?
Trempealeau County is served by 4 public water systems that supply drinking water to residents across 11 ZIP codes.
What is the biggest environmental risk in Trempealeau County?
The primary environmental risk factor in Trempealeau County is flood. This contributes to an estimated additional annual cost of $1,163 per homeowner.
How old are homes in Trempealeau County?
The median home build year in Trempealeau County is 1975. 64.4% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.

How to cite this page

APA ZipCheckup. (2026). Trempealeau County, Wisconsin Home Safety Profile. https://zipcheckup.com/county/wisconsin/trempealeau/
BibTeX
@misc{zipcheckup-county-wisconsin-trempealeau,
  author = {{ZipCheckup}},
  title  = {{Trempealeau County, Wisconsin Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/wisconsin/trempealeau/}
}

Page version: August 2026.

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