Barnes County, North Dakota
13 ZIP codes · Avg score 54/100 · Grade D · Updated 2026-06-03
Barnes County's 13 ZIP codes show a poor compliance record — repeated MCL exceedances have kept the county in the bottom tier for water safety.
How Barnes County Compares
How Barnes County Compares
Barnes County scores 2 points below the North Dakota state average (56/100) and 14 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Barnes 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: 13.3 (asthma 9.9%, diabetes 11.5%)
Estimated additional annual cost per homeowner: $854, driven primarily by flood
Infrastructure: 0.435% avg pipe failure probability, 77% of ZIPs at high risk
78.9% 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: $854
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
6,017 housing units in Barnes 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 Barnes County
Remediation costs are relatively manageable for most homeowners in Barnes 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 Barnes 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 Barnes County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Barnes Rural Water District | 4,938 | 5 |
| 2 | City of Valley City | 6,585 | 3 |
| 3 | City of Tower City | 253 | 3 |
| 4 | City of Wimbledon | 216 | 3 |
| 5 | City of Litchville | 172 | 3 |
12 total water systems serve Barnes County.
All ZIP Codes in Barnes County
13 ZIP codes tracked in Barnes County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 58492 | Wimbledon | 70 | B | 0 | $264K |
| 2 | 58429 | Dazey | 69 | C | 2 | $187K |
| 3 | 58062 | Nome | 66 | C | 0 | $130K |
| 4 | 58461 | Litchville | 66 | C | 0 | $164K |
| 5 | 58480 | Sanborn | 66 | C | 0 | — |
| 6 | 58063 | Oriska | 55 | C | 0 | $216K |
| 7 | 58049 | Kathryn | 53 | D | 0 | $114K |
| 8 | 58072 | Valley City | 52 | D | 3 | $171K |
| 9 | 58031 | Fingal | 40 | D | 0 | $80K |
| 10 | 58056 | Luverne | 40 | D | 0 | — |
| 11 | 58426 | Courtenay | 40 | D | 0 | $103K |
| 12 | 58466 | Marion | 40 | D | 0 | $114K |
| 13 | 58479 | Rogers | 40 | D | 0 | $191K |
Recommended Buyer Guides for Barnes 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 — 78.9% 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 Barnes County, North Dakota
Overview
Barnes County in North Dakota covers 13 ZIP codes with an average Home Safety Score of D (54/100).
2 of 13 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.
What You Can Do
Barnes County has a grade of D. Here are steps to protect your household.
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.
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
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.
Check for lead in your home
78.9% of homes in this county were built before 1978. Older plumbing and solder can leach lead into drinking water, especially in the morning.