COUNTY REPORT ND

McKenzie County, North Dakota

7 ZIP codes · Avg score 67/100 · Grade C · Updated

ZipCheckup grade for McKenzie County: C.

A mixed picture - some signals here are worth your attention.

Across McKenzie County's 7 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

McKenzie County67/100
North Dakota avg67/100
National avg73/100

How McKenzie County Compares

C
County Grade
67/100
Avg Safety Score
7
ZIP Codes
2
Water Systems

McKenzie County scores 0 points above the North Dakota state average (67/100) and 6 points below the national average (73/100).

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:

C
County Grade
67
Avg Safety Score
7
ZIP Codes
Best ZIP: 58634 (67/100)
Lowest ZIP: 58854 (66/100)
$317K
Median Home Value
$1,757
Avg Remediation (55% of home value)

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.

A B C D F

Key Risk Factors

Health risk index: 12.2 (asthma 10.3%, diabetes 9.6%)

Estimated additional annual cost per homeowner: $451, driven primarily by flood

39.1% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 10.3% (national: 8.9%)
Diabetes 9.6% (national: 10.5%)
Obesity 41.1% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1991
Median Build Year
39.1%
Pre-1978 Housing
34/100
Infrastructure Stress Indicator
29%
ZIPs with High Infrastructure Stress
Moderate
Lead Pipe Risk

Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $451

Flood $200/yr
Wildfire $129/yr
Energy Code Gap $116/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

7,175 housing units in McKenzie County

Pre-1940 8%
1940–1959 6%
1960–1979 7%
1980–1999 17%
2000+ 62%

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

$317K
Median Home Value
$1,757
Est. Remediation Cost
0.6%
of Home Value
Remediation as % of home value low burden

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

Asthma 10.3% (US avg: 8.9%)
Diabetes 9.6% (US avg: 11%)
Obesity 41.1% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water systems serving McKenzie County

2 community water systems serving McKenzie County.

Systems with the most violations in McKenzie County

1 water system with recorded EPA violations.

All ZIP Codes in McKenzie County

7 ZIP codes tracked in McKenzie County.

# ZIP Code City Safety Score Grade Violations Home Value
1 58634 Grassy Butte 67 C 0 $242K
2 58854 Watford City 66 C 1 $388K
3 58757 Mandaree $171K
4 58831 Alexander 0 $384K
5 58835 Arnegard 0 $424K
6 58838 Cartwright 0 $250K
7 58847 Keene 0

Recommended Buyer Guides for McKenzie County

Filtered against federal data, fitted to local risks.

Overview

McKenzie County in North Dakota covers 7 tracked ZIP records with an average Home Safety Score of C (67/100) across 2 scored records.

1 of 6 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. The available record reports no health-based violations for this measured scope.

← Back to North Dakota Home Safety Profile

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Frequently Asked Questions

Is water safe in McKenzie County?
McKenzie County receives a grade of C. Some ZIP codes have recorded violations and residents in affected areas may want to test their water.
How many water systems serve McKenzie County?
McKenzie County is served by 2 public water systems that supply drinking water to residents across 7 ZIP codes.
What is the biggest environmental risk in McKenzie County?
The primary environmental risk factor in McKenzie County is flood. This contributes to an estimated additional annual cost of $451 per homeowner.
How old are homes in McKenzie County?
The median home build year in McKenzie County is 1991. 39.1% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does McKenzie County compare to North Dakota?
McKenzie County has an average Home Safety Score of 67/100 under model 4.0.0, which is above the North Dakota state average of 67/100.

How to cite this page

APA ZipCheckup. (2026). McKenzie County, ND: HSS 67/100; 1 Violation. https://zipcheckup.com/county/north-dakota/mckenzie/
BibTeX
@misc{zipcheckup-county-north-dakota-mckenzie,
  author = {{ZipCheckup}},
  title  = {{McKenzie County, ND: HSS 67/100; 1 Violation}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/north-dakota/mckenzie/}
}

Page version: August 2026.

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