Sargent County, North Dakota
7 ZIP codes · Avg score 50/100 · Grade D · Updated 2026-06-03
Drinking water quality in Sargent County has lagged behind state benchmarks — multiple documented violations across 7 ZIP codes keep the county's grade low.
How Sargent County Compares
How Sargent County Compares
Sargent County scores 6 points below the North Dakota state average (56/100) and 18 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Sargent 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 9.7%, diabetes 11.8%)
Estimated additional annual cost per homeowner: $533, driven primarily by water_lead
Infrastructure: 0.439% avg pipe failure probability, 86% of ZIPs at high risk
74.3% 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: $533
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
1,500 housing units in Sargent 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 Sargent County
Remediation costs are relatively manageable for most homeowners in Sargent 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 Sargent 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 Sargent County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Southeast Wud (east) | 4,225 | 10 |
| 2 | Southeast Wud (central-lisbon) | 1,675 | 10 |
| 3 | MILNOR CITY OF | 653 | 7 |
| 4 | Sundale Hutterian Association | 110 | 7 |
| 5 | FORMAN CITY OF | 504 | 3 |
7 total water systems serve Sargent County.
All ZIP Codes in Sargent County
7 ZIP codes tracked in Sargent County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 58067 | Rutland | 66 | C | 0 | $123K |
| 2 | 58060 | Milnor | 58 | C | 7 (3 health) | $163K |
| 3 | 58017 | Cogswell | 53 | D | 0 | $84K |
| 4 | 58032 | Forman | 52 | D | 3 | $152K |
| 5 | 58013 | Cayuga | 40 | D | 0 | $254K |
| 6 | 58043 | Havana | 40 | D | 0 | $96K |
| 7 | 58069 | Stirum | 40 | D | 0 | $138K |
Recommended Buyer Guides for Sargent County
Designed to find the guide that fits the county, not the other way around — the system reads EPA detections, FEMA hazard layers, and CDC lead-exposure markers, then outputs the categories that resolve those specific risks for households here, with NSF-certified products surfaced when the matching contaminant appears in the local monitoring data.
- Best Lead Paint Test Kits — 74.3% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Deep Dive Reports
Detailed analysis for Sargent County, North Dakota
Overview
Sargent County in North Dakota covers 7 ZIP codes with an average Home Safety Score of D (50/100).
2 of 7 ZIP codes have recorded EPA violations. 3 health-based violations 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.
What You Can Do
Sargent 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
74.3% of homes in this county were built before 1978. Older plumbing and solder can leach lead into drinking water, especially in the morning.