COUNTY REPORT WI

Pepin County, Wisconsin

4 ZIP codes · Avg score 52/100 · Grade D · Updated 2026-06-03

Pepin County ranks below average for water safety, with health-based violations recorded across multiple of its 4 ZIP codes.

How Pepin County Compares

Pepin County52/100
Wisconsin avg66/100
National avg68/100

How Pepin County Compares

D
County Grade
52/100
Avg Safety Score
4
ZIP Codes
3
Water Systems

Pepin County scores 14 points below the Wisconsin state average (66/100) and 16 points below the national average (68/100).

Data: EPA SDWIS Last verified: 2026-06-03

D
County Grade
52
Avg Safety Score
4
ZIP Codes
Best ZIP: 54736 (65/100)
Lowest ZIP: 54721 (40/100)
$206K
Median Home Value
$2,250
Avg Remediation (109% of home value)

Key Risk Factors

Health risk index: 13.7 (asthma 10.6%, diabetes 12.4%)

Estimated additional annual cost per homeowner: $1,413, driven primarily by flood

Infrastructure: 0.415% avg pipe failure probability, 50% of ZIPs at high risk

67.3% of homes built before 1978 (lead paint era)

Violation History (2021–2025)

↑ Worsening trend

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

2021
2 (2 health)
2023
2 (2 health)
2024
4 (4 health)
2025
4 (4 health)

Peak year: 2024 with 4 violations. Past 5 years: 12 total (12 health-based). Health-based violations are rising versus the prior 2-year window — worth closer monitoring.

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 12.4% (national: 10.5%)
Obesity 36.6% (national: 32.4%)

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

Infrastructure Overview

1976
Median Build Year
67.3%
Pre-1978 Housing
42%
Pipe Failure Probability
50%
ZIPs at High Infra Risk
High
Lead Pipe Risk

Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $1,413

Flood $850/yr
Energy Code Gap $270/yr
Water / Lead $213/yr

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

Housing Age Distribution

3,689 housing units in Pepin County

Pre-1940 26%
1940–1959 15%
1960–1979 22%
1980–1999 17%
2000+ 19%

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 Pepin County

$206K
Median Home Value
$2,250
Est. Remediation Cost
1.1%
of Home Value
Remediation as % of home value low burden

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

Asthma 10.6% (US avg: 8.9%)
Diabetes 12.4% (US avg: 11%)
Obesity 36.6% (US avg: 32.4%)

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

Water Systems with Most Violations

Top 3 systems in Pepin County ranked by EPA violation count.

# Water System Population Violations
1 Pepin Waterworks 816 14
2 DURAND WATERWORKS 1,868 0
3 Whispering Pines Mhp 60 0

All ZIP Codes in Pepin County

4 ZIP codes tracked in Pepin County.

# ZIP Code City Safety Score Grade Violations Home Value
1 54736 Durand 65 C 0 $167K
2 54759 Pepin 59 C 14 (5 health) $216K
3 54769 Stockholm 45 D 0 $283K
4 54721 Arkansaw 40 D 0 $196K

Recommended Buyer Guides for Pepin County

Retailer arrangements don't shape what appears here — the selection logic is independent, filtered against EPA detections and the federal hazard data on file for this county.

Overview

Pepin County in Wisconsin covers 4 ZIP codes with an average Home Safety Score of D (52/100).

1 of 4 ZIP codes have recorded EPA violations. 5 health-based violations have been documented.

← Back to Wisconsin water quality report

Data Sources

Updated daily.

What You Can Do

Pepin County has a grade of D. Here are steps to protect your household.

1

Test your tap water

Order a certified lab test kit ($20-$50) to check for lead, bacteria, and other contaminants specific to your ZIP code.

2

Consider a certified water filter

NSF-certified filters can remove most common contaminants. Match the filter to your test results for best protection. Try our filter matcher

3

Contact your water utility

Request the latest Consumer Confidence Report (CCR) from your water provider. It details exactly what was found in your water supply.

4

Check for lead in your home

67.3% of homes in this county were built before 1978. Older plumbing and solder can leach lead into drinking water, especially in the morning.

Frequently Asked Questions

Is water safe in Pepin County?
Pepin County receives a grade of D. 1 of 4 ZIP codes have health-based violations. Independent water testing is recommended.
How many water systems serve Pepin County?
Pepin County is served by 3 public water systems that supply drinking water to residents across 4 ZIP codes.
What is the biggest environmental risk in Pepin County?
The primary environmental risk factor in Pepin County is flood. This contributes to an estimated additional annual cost of $1,413 per homeowner.
How old are homes in Pepin County?
The median home build year in Pepin County is 1976. 67.3% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Pepin County compare to Wisconsin?
Pepin County has an average water safety score of 52/100, which is below the Wisconsin state average of 66/100.

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