COUNTY REPORT MN

Big Stone County, Minnesota

6 ZIP codes · Avg score 61/100 · Grade C · Updated 2026-06-03

Current EPA records place Big Stone County in the middle tier for drinking water safety, with 6 ZIP codes showing a range of outcomes.

How Big Stone County Compares

Big Stone County61/100
Minnesota avg62/100
National avg68/100

How Big Stone County Compares

C
County Grade
61/100
Avg Safety Score
6
ZIP Codes
6
Water Systems

Big Stone County scores 1 points below the Minnesota state average (62/100) and 7 points below the national average (68/100).

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

C
County Grade
61
Avg Safety Score
6
ZIP Codes
Best ZIP: 56211 (70/100)
Lowest ZIP: 56210 (40/100)
$118K
Median Home Value
$2,200
Avg Remediation (186% of home value)

ZIP Code Risk Map

Water Quality Map: Big Stone 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: 14.4 (asthma 10%, diabetes 13.2%)

Estimated additional annual cost per homeowner: $1,612, driven primarily by energy_code_gap

Infrastructure: 0.458% avg pipe failure probability, 83% of ZIPs at high risk

79.8% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 10% (national: 8.9%)
Diabetes 13.2% (national: 10.5%)
Obesity 37.6% (national: 32.4%)

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

Infrastructure Overview

1928
Median Build Year
79.8%
Pre-1978 Housing
46%
Pipe Failure Probability
83%
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: $1,612

Energy Code Gap $540/yr
Flood $433/yr
Water / Lead $358/yr

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

Housing Age Distribution

2,601 housing units in Big Stone County

Pre-1940 34%
1940–1959 19%
1960–1979 25%
1980–1999 12%
2000+ 10%

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 Big Stone County

$118K
Median Home Value
$2,200
Est. Remediation Cost
1.9%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Big Stone 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 Big Stone County residents

Asthma 10% (US avg: 8.9%)
Diabetes 13.2% (US avg: 11%)
Obesity 37.6% (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 5 systems in Big Stone County ranked by EPA violation count.

# Water System Population Violations
1 Ortonville 2,021 3
2 Beardsley 216 1
3 Correll 35 1
4 Odessa 96 1
5 Graceville 543 0

6 total water systems serve Big Stone County.

All ZIP Codes in Big Stone County

6 ZIP codes tracked in Big Stone County.

# ZIP Code City Safety Score Grade Violations Home Value
1 56211 Beardsley 70 B 1 $97K
2 56227 Correll 68 C 1 $251K
3 56276 Odessa 68 C 1 $106K
4 56240 Graceville 62 C 0 $118K
5 56278 Ortonville 59 C 3 $176K
6 56210 Barry 40 D 0

Recommended Buyer Guides for Big Stone County

Below: editorial picks, no sponsored placements.

Overview

Big Stone County in Minnesota covers 6 ZIP codes with an average Home Safety Score of C (61/100).

4 of 6 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.

← Back to Minnesota water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Big Stone County?
Big Stone 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 Big Stone County?
Big Stone County is served by 6 public water systems that supply drinking water to residents across 6 ZIP codes.
What is the biggest environmental risk in Big Stone County?
The primary environmental risk factor in Big Stone County is energy_code_gap. This contributes to an estimated additional annual cost of $1,612 per homeowner.
How old are homes in Big Stone County?
The median home build year in Big Stone County is 1928. 79.8% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Big Stone County compare to Minnesota?
Big Stone County has an average water safety score of 61/100, which is below the Minnesota state average of 62/100.

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