COUNTY REPORT ND

LaMoure County, North Dakota

7 ZIP codes · Avg score 77/100 · Grade B · Updated 2026-06-04

LaMoure County — 7 ZIP codes, above-average safety grade.

How LaMoure County Compares

LaMoure County77/100
North Dakota avg56/100
National avg68/100

How LaMoure County Compares

B
County Grade
77/100
Avg Safety Score
7
ZIP Codes
11
Water Systems

LaMoure County scores 21 points above the North Dakota state average (56/100) and 9 points above the national average (68/100).

Data: EPA SDWIS Last verified: 2026-06-04

B
County Grade
77
Avg Safety Score
7
ZIP Codes
Best ZIP: 58415 (88/100)
Lowest ZIP: 58033 (52/100)
$133K
Median Home Value
$1,350
Avg Remediation (101% of home value)

ZIP Code Risk Map

Water Quality Map: LaMoure 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: 13.9 (asthma 9.9%, diabetes 12.4%)

Estimated additional annual cost per homeowner: $669, driven primarily by flood

Infrastructure: 0.407% avg pipe failure probability, 43% of ZIPs at high risk

74.6% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 9.9% (national: 8.9%)
Diabetes 12.4% (national: 10.5%)
Obesity 34.9% (national: 32.4%)

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

Infrastructure Overview

1975
Median Build Year
74.6%
Pre-1978 Housing
41%
Pipe Failure Probability
43%
ZIPs at High Infra Risk
High
Lead Pipe Risk

Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $669

Flood $229/yr
Water / Lead $221/yr
Energy Code Gap $219/yr

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

Housing Age Distribution

1,935 housing units in LaMoure County

Pre-1940 28%
1940–1959 14%
1960–1979 34%
1980–1999 12%
2000+ 12%

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 LaMoure County

$133K
Median Home Value
$1,350
Est. Remediation Cost
1.0%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in LaMoure 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 LaMoure County residents

Asthma 9.9% (US avg: 8.9%)
Diabetes 12.4% (US avg: 11%)
Obesity 34.9% (US avg: 32.4%)

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

Water Systems with Most Violations

Top 5 systems in LaMoure County ranked by EPA violation count.

# Water System Population Violations
1 Barnes Rural Water District 4,938 8
2 Southeast Wud (west) 1,275 7
3 Stutsman Rural Water District 5,550 5
4 City of Edgeley 563 5
5 Willowbank Colony 95 5

11 total water systems serve LaMoure County.

All ZIP Codes in LaMoure County

7 ZIP codes tracked in LaMoure County.

# ZIP Code City Safety Score Grade Violations Home Value
1 58415 Berlin 88 A 0
2 58456 Kulm 88 A 0 $95K
3 58490 Verona 86 A 1 $150K
4 58458 Lamoure 85 A 2 $172K
5 58433 Edgeley 83 B 5 $116K
6 58431 Dickey 60 C 0 $108K
7 58033 Fort Ransom 52 D 0 $211K

Recommended Buyer Guides for LaMoure County

Independent picks. EPA-grounded. Matched here.

Overview

LaMoure County in North Dakota covers 7 ZIP codes with an average Home Safety Score of B (77/100).

3 of 7 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.

← Back to North Dakota water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in LaMoure County?
LaMoure County receives a grade of B, indicating generally safe tap water across its 7 ZIP codes.
How many water systems serve LaMoure County?
LaMoure County is served by 11 public water systems that supply drinking water to residents across 7 ZIP codes.
What is the biggest environmental risk in LaMoure County?
The primary environmental risk factor in LaMoure County is flood. This contributes to an estimated additional annual cost of $669 per homeowner.
How old are homes in LaMoure County?
The median home build year in LaMoure County is 1975. 74.6% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does LaMoure County compare to North Dakota?
LaMoure County has an average water safety score of 77/100, which is above the North Dakota state average of 56/100.

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