McKenzie County, North Dakota
5 ZIP codes · Avg score 56/100 · Grade C · Updated 2026-07-19
ZipCheckup grade for McKenzie: C.
A mixed picture - some signals here are worth your attention.
Across McKenzie County's 5 ZIP codes, water safety results are uneven - a portion of systems carry active or recent violations, while others meet standards without issues.
How McKenzie County Compares
How McKenzie County Compares
McKenzie County scores 0 points above the North Dakota state average (56/100) and 12 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-07-19
ZIP Code Risk Map
Water Quality Map: McKenzie 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: 12.2 (asthma 10.3%, diabetes 9.6%)
Estimated additional annual cost per homeowner: $506, driven primarily by flood
Infrastructure: 0.302% avg pipe failure probability
42.8% 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: $506
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
6,288 housing units in McKenzie 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 McKenzie County
Remediation costs are relatively manageable for most homeowners in McKenzie 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 McKenzie County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving McKenzie County
5 community water systems serving McKenzie County.
- C
- C
- D
- C
- C
Systems with the most violations in McKenzie County
2 water systems with recorded EPA violations.
- C
- C
All ZIP Codes in McKenzie County
5 ZIP codes tracked in McKenzie County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 58831 | Alexander | 69 | C | 1 | $384K |
| 2 | 58835 | Arnegard | 66 | C | 0 | $424K |
| 3 | 58854 | Watford City | 64 | C | 12 (1 health) | $388K |
| 4 | 58838 | Cartwright | 40 | D | 0 | $250K |
| 5 | 58847 | Keene | 40 | D | 0 | — |
Recommended Buyer Guides for McKenzie County
Filtered against federal data, fitted to local risks.
- 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 McKenzie County, North Dakota
Overview
McKenzie County in North Dakota covers 5 ZIP codes with an average Home Safety Score of C (56/100).
2 of 5 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.