COUNTY REPORT MN

Brown County, Minnesota

7 ZIP codes · Avg score 56/100 · Grade C · Updated 2026-07-19

ZipCheckup grade for Brown: C.

A mixed picture - some signals here are worth your attention.

Across Brown County's 7 ZIP codes, water safety results are uneven - a portion of systems carry active or recent violations, while others meet standards without issues.

How Brown County Compares

Brown County56/100
Minnesota avg62/100
National avg68/100

How Brown County Compares

C
County Grade
56/100
Avg Safety Score
7
ZIP Codes
6
Water Systems

Brown County scores 6 points below the Minnesota state average (62/100) and 12 points below the national average (68/100).

Data: EPA SDWIS Last verified: 2026-07-19

C
County Grade
56
Avg Safety Score
7
ZIP Codes
Best ZIP: 56041 (70/100)
Lowest ZIP: 56084 (40/100)
$145K
Median Home Value
$1,886
Avg Remediation (130% of home value)

ZIP Code Risk Map

Water Quality Map: Brown County, Minnesota

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: 13.2 (asthma 9.9%, diabetes 11.7%)

Estimated additional annual cost per homeowner: $1,414, driven primarily by energy_code_gap

Infrastructure: 0.547% avg pipe failure probability, 57% of ZIPs at high risk

86.2% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 9.9% (national: 8.9%)
Diabetes 11.7% (national: 10.5%)
Obesity 35.7% (national: 32.4%)

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

Infrastructure Overview

1947
Median Build Year
86.2%
Pre-1978 Housing
55%
Pipe Failure Probability
57%
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: $1,414

Energy Code Gap $540/yr
Water / Lead $400/yr
Water Infrastructure $386/yr

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

Housing Age Distribution

4,808 housing units in Brown County

Pre-1940 33%
1940–1959 22%
1960–1979 19%
1980–1999 16%
2000+ 9%

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 Brown County

$145K
Median Home Value
$1,886
Est. Remediation Cost
1.3%
of Home Value
Remediation as % of home value low burden

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

Asthma 9.9% (US avg: 8.9%)
Diabetes 11.7% (US avg: 11%)
Obesity 35.7% (US avg: 32.4%)

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

Water systems serving Brown County

6 community water systems serving Brown County.

All ZIP Codes in Brown County

7 ZIP codes tracked in Brown County.

# ZIP Code City Safety Score Grade Violations Home Value
1 56041 Hanska 70 B 0 $186K
2 56085 Sleepy Eye 70 B 0 $162K
3 56019 Comfrey 66 C 0 $145K
4 56087 Springfield 65 C 0 $140K
5 56030 Essig 40 D 0
6 56056 La Salle 40 D 0 $72K
7 56084 Searles 40 D 0

Recommended Buyer Guides for Brown County

Below: editorial picks, no sponsored placements.

Overview

Brown County in Minnesota covers 7 ZIP codes with an average Home Safety Score of C (56/100).

No EPA violations are recorded for the tracked water systems in Brown County as of the latest reporting period.

← Back to Minnesota water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Brown County?
Brown County receives a grade of C. Some ZIP codes have recorded violations and residents in affected areas may want to test their water.
How many water systems serve Brown County?
Brown County is served by 6 public water systems that supply drinking water to residents across 7 ZIP codes.
What is the biggest environmental risk in Brown County?
The primary environmental risk factor in Brown County is energy_code_gap. This contributes to an estimated additional annual cost of $1,414 per homeowner.
How old are homes in Brown County?
The median home build year in Brown County is 1947. 86.2% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Brown County compare to Minnesota?
Brown County has an average water safety score of 56/100, which is below the Minnesota state average of 62/100.

How to cite this page

APA ZipCheckup. (2026). Brown County, MN: High Radon Risk - 56/100 (2026). https://zipcheckup.com/county/minnesota/brown/
BibTeX
@misc{zipcheckup-county-minnesota-brown,
  author = {{ZipCheckup}},
  title  = {{Brown County, MN: High Radon Risk - 56/100 (2026)}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/minnesota/brown/}
}

Data as of July 2026.

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