Divide County, North Dakota
4 ZIP codes · Avg score 55/100 · Grade C · Updated 2026-06-03
Current EPA records place Divide County in the middle tier for drinking water safety, with 4 ZIP codes showing a range of outcomes.
How Divide County Compares
How Divide County Compares
Divide County scores 1 points below the North Dakota state average (56/100) and 13 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
Key Risk Factors
Health risk index: 14.1 (asthma 10%, diabetes 12.6%)
Estimated additional annual cost per homeowner: $500, driven primarily by water_lead
Infrastructure: 0.44% avg pipe failure probability, 75% of ZIPs at high risk
77.3% 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: $500
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
1,170 housing units in Divide 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 Divide County
Remediation costs are relatively manageable for most homeowners in Divide 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 Divide County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 4 systems in Divide County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | City of Fortuna | 35 | 5 |
| 2 | City of Noonan | 121 | 2 |
| 3 | R & T WATER SYSTEM | 1,003 | 0 |
| 4 | City of Crosby | 1,406 | 0 |
All ZIP Codes in Divide County
4 ZIP codes tracked in Divide County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 58730 | Crosby | 66 | C | 0 | $153K |
| 2 | 58844 | Fortuna | 65 | C | 5 (1 health) | — |
| 3 | 58765 | Noonan | 47 | D | 2 | $96K |
| 4 | 58833 | Ambrose | 40 | D | 0 | $196K |
Recommended Buyer Guides for Divide County
Independent picks. EPA-grounded. Matched here.
- Best Lead Paint Test Kits — 77.3% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Overview
Divide County in North Dakota covers 4 ZIP codes with an average Home Safety Score of C (55/100).
2 of 4 ZIP codes have recorded EPA violations. 1 health-based violation have been documented.
← 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.