Walsh County, North Dakota
8 ZIP codes · Avg score 56/100 · Grade C · Updated 2026-06-03
Water systems across Walsh County's 8 ZIP codes produce average compliance results overall — pockets with documented violations exist, and the variation between areas makes ZIP-level lookup the most useful tool for residents here.
How Walsh County Compares
How Walsh County Compares
Walsh County scores 0 points above the North Dakota state average (56/100) and 12 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Walsh County, North Dakota
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.8 (asthma 9.9%, diabetes 12.5%)
Estimated additional annual cost per homeowner: $1,560, driven primarily by flood
Infrastructure: 0.419% avg pipe failure probability, 75% of ZIPs at high risk
76.5% 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: $1,560
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
4,992 housing units in Walsh 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 Walsh County
Remediation costs are relatively manageable for most homeowners in Walsh 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 Walsh 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 Walsh County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Agassiz Water Users District | 3,438 | 1 |
| 2 | Walsh Rural Water District | 3,000 | 1 |
| 3 | Forest River Colony | 100 | 1 |
| 4 | PARK RIVER CITY OF | 1,403 | 0 |
| 5 | MINTO CITY OF | 604 | 0 |
8 total water systems serve Walsh County.
All ZIP Codes in Walsh County
8 ZIP codes tracked in Walsh County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 58231 | Fordville | 66 | C | 1 | $92K |
| 2 | 58270 | Park River | 62 | C | 0 | $146K |
| 3 | 58277 | Sharon | 62 | C | 0 | $213K |
| 4 | 58261 | Minto | 55 | C | 0 | $119K |
| 5 | 58227 | Edinburg | 53 | D | 0 | $108K |
| 6 | 58233 | Forest River | 53 | D | 0 | $160K |
| 7 | 58243 | Hoople | 53 | D | 0 | $120K |
| 8 | 58237 | Grafton | 43 | D | 0 | $155K |
Recommended Buyer Guides for Walsh County
If FEMA records flag flood-top-risk status or EPA samples show PFAS exceedances, the matching logic lifts emergency-water and PFAS-rated filtration into the recommendations — federal data drives the order, not retailer arrangements.
- Best Lead Paint Test Kits — 76.5% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Walsh County, North Dakota
Overview
Walsh County in North Dakota covers 8 ZIP codes with an average Home Safety Score of C (56/100).
1 of 8 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← Back to North Dakota 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.