Grant County, North Dakota
6 ZIP codes · Avg score 60/100 · Grade C · Updated 2026-06-03
Across Grant County, EPA compliance data for 6 ZIP codes sits at a moderate level — not alarming, but not uniformly clean either.
How Grant County Compares
How Grant County Compares
Grant County scores 4 points above the North Dakota state average (56/100) and 8 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Grant 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: 16.8 (asthma 11%, diabetes 16%)
Estimated additional annual cost per homeowner: $907, driven primarily by water_lead
Infrastructure: 0.45% avg pipe failure probability, 67% of ZIPs at high risk
82.8% 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: $907
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
1,618 housing units in Grant 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 Grant County
Water safety remediation is a moderate expense relative to home values. Most homeowners can address issues through staged improvements over time.
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 Grant County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 3 systems in Grant County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | City of Carson | 293 | 2 |
| 2 | City of Elgin | 642 | 1 |
| 3 | City of New Leipzig | 221 | 1 |
All ZIP Codes in Grant County
6 ZIP codes tracked in Grant County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 58529 | Carson | 69 | C | 2 | $78K |
| 2 | 58562 | New Leipzig | 68 | C | 1 | $80K |
| 3 | 58533 | Elgin | 62 | C | 1 | $110K |
| 4 | 58564 | Raleigh | 53 | D | 0 | — |
| 5 | 58568 | Selfridge | 53 | D | 0 | $98K |
| 6 | 58569 | Shields | 53 | D | 0 | — |
Recommended Buyer Guides for Grant County
Filtered against EPA monitoring data and CDC lead-exposure guidance, the guides below skip the generic catalog and connect directly to the contaminants and hazards on file here.
- Best Lead Paint Test Kits — 82.8% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Deep Dive Reports
Detailed analysis for Grant County, North Dakota
Overview
Grant County in North Dakota covers 6 ZIP codes with an average Home Safety Score of C (60/100).
3 of 6 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.