Richland County, North Dakota
14 ZIP codes · Avg score 66/100 · Grade C · Updated 2026-06-04
Unlike top-rated counties, Richland County's 14 ZIP codes carry a fair number of documented violations — chlorine compliance and disinfection byproduct limits are the categories most often cited in recent data.
How Richland County Compares
How Richland County Compares
Richland County scores 10 points above the North Dakota state average (56/100) and 2 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
ZIP Code Risk Map
Water Quality Map: Richland 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: 12.7 (asthma 10%, diabetes 10.5%)
Estimated additional annual cost per homeowner: $876, driven primarily by flood
Infrastructure: 0.42% avg pipe failure probability, 54% of ZIPs at high risk
72.8% 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: $876
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
7,429 housing units in Richland 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 Richland County
Remediation costs are relatively manageable for most homeowners in Richland 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 Richland 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 Richland County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Southeast Wud (east) | 4,225 | 6 |
| 2 | City of Abercrombie | 263 | 4 |
| 3 | City of Fairmount | 367 | 2 |
| 4 | City of Lidgerwood | 652 | 2 |
| 5 | City of Christine | 156 | 1 |
13 total water systems serve Richland County.
All ZIP Codes in Richland County
14 ZIP codes tracked in Richland County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 58018 | Colfax | 70 | B | 0 | $259K |
| 2 | 58041 | Hankinson | 70 | B | 0 | $145K |
| 3 | 58061 | Mooreton | 70 | B | 0 | $168K |
| 4 | 58077 | Walcott | 70 | B | 1 | $262K |
| 5 | 58008 | Barney | 66 | C | 0 | — |
| 6 | 58030 | Fairmount | 66 | C | 2 | $120K |
| 7 | 58058 | Mantador | 66 | C | 0 | $113K |
| 8 | 58074 | Wahpeton | 66 | C | 0 | — |
| 9 | 58076 | Wahpeton | 66 | C | 0 | — |
| 10 | 58001 | Abercrombie | 65 | C | 4 | $156K |
| 11 | 58015 | Christine | 65 | C | 1 | $314K |
| 12 | 58053 | Lidgerwood | 65 | C | 2 | $101K |
| 13 | 58081 | Wyndmere | 65 | C | 0 | $186K |
| 14 | 58075 | Wahpeton | 60 | C | 0 | $179K |
Recommended Buyer Guides for Richland County
Independent picks. EPA-grounded. Matched here.
- Best Lead Paint Test Kits — 72.8% 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 Richland County, North Dakota
Overview
Richland County in North Dakota covers 14 ZIP codes with an average Home Safety Score of C (66/100).
5 of 14 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.