Grant County, Minnesota
5 ZIP codes · Avg score 66/100 · Grade C · Updated 2026-06-03
For most households in Grant County, the 5 tracked ZIP codes show adequate but uneven water quality.
How Grant County Compares
How Grant County Compares
Grant County scores 4 points above the Minnesota state average (62/100) and 2 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Grant County, Minnesota
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.4 (asthma 10.3%, diabetes 12.7%)
Estimated additional annual cost per homeowner: $1,350, driven primarily by energy_code_gap
Infrastructure: 0.412% avg pipe failure probability, 80% of ZIPs at high risk
72% of homes built before 1978 (lead paint era)
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: $1,350
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
2,739 housing units in Grant 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 Grant County
Remediation costs are relatively manageable for most homeowners in Grant 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 Grant County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Grant County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Herman | 386 | 0 |
| 2 | Ashby | 472 | 0 |
| 3 | Barrett | 374 | 0 |
| 4 | Elbow Lake | 1,285 | 0 |
| 5 | Wendell | 167 | 0 |
All ZIP Codes in Grant County
5 ZIP codes tracked in Grant County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 56311 | Barrett | 70 | B | 0 | $173K |
| 2 | 56531 | Elbow Lake | 70 | B | 0 | $152K |
| 3 | 56309 | Ashby | 66 | C | 0 | $270K |
| 4 | 56590 | Wendell | 66 | C | 0 | $133K |
| 5 | 56248 | Herman | 56 | C | 0 | $177K |
Recommended Buyer Guides for Grant County
Where county records show a lead exceedance or pre-1978 housing concentration, lead-specific filters and test kits move toward the top of the list.
- Best Lead Paint Test Kits — 72% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Deep Dive Reports
Detailed analysis for Grant County, Minnesota
Overview
Grant County in Minnesota covers 5 ZIP codes with an average Home Safety Score of C (66/100).
No EPA violations recorded across any tracked ZIP codes in Grant County.
← Back to Minnesota 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.