COUNTY REPORT MT

Wibaux County, Montana

1 ZIP code · Avg score 69/100 · Grade C · Updated 2026-06-04

Recent monitoring in Wibaux County's 1 ZIP code shows middle-tier safety — some systems are clean; others have logged EPA violations.

How Wibaux County Compares

Wibaux County69/100
Montana avg55/100
National avg68/100

How Wibaux County Compares

C
County Grade
69/100
Avg Safety Score
1
ZIP Codes
1
Water Systems

Wibaux County scores 14 points above the Montana state average (55/100) and 1 points above the national average (68/100).

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

C
County Grade
69
Avg Safety Score
1
ZIP Codes
Only ZIP: 59353
$94K
Median Home Value
$3,300
Avg Remediation (353% of home value)

Key Risk Factors

Health risk index: 13.8 (asthma 11%, diabetes 11.6%)

Estimated additional annual cost per homeowner: $1,250, driven primarily by water_lead

Infrastructure: 0.48% avg pipe failure probability, 100% of ZIPs at high risk

73% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 11% (national: 8.9%)
Diabetes 11.6% (national: 10.5%)
Obesity 32.5% (national: 32.4%)

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

Infrastructure Overview

1968
Median Build Year
73%
Pre-1978 Housing
48%
Pipe Failure Probability
100%
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: $1,250

Water / Lead $400/yr
Wildfire $300/yr
Energy Code Gap $270/yr

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

Housing Age Distribution

609 housing units in Wibaux County

Pre-1940 37%
1940–1959 12%
1960–1979 17%
1980–1999 19%
2000+ 15%

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 Wibaux County

$94K
Median Home Value
$3,300
Est. Remediation Cost
3.5%
of Home Value
Remediation as % of home value moderate burden

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 Wibaux County residents

Asthma 11% (US avg: 8.9%)
Diabetes 11.6% (US avg: 11%)
Obesity 32.5% (US avg: 32.4%)

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

All ZIP Codes in Wibaux County

1 ZIP code tracked in Wibaux County.

# ZIP Code City Safety Score Grade Violations Home Value
1 59353 Wibaux 69 C 17 (1 health) $94K

Recommended Buyer Guides for Wibaux County

If FEMA records flag flood-top-risk status or EPA samples show PFAS exceedances, the matching logic lifts emergency-water and PFAS-rated filtration into the recommendations — federal data drives the order, not retailer arrangements.

Overview

Wibaux County in Montana covers 1 ZIP code with an average Home Safety Score of C (69/100).

1 of 1 ZIP code have recorded EPA violations. 1 health-based violation have been documented.

← Back to Montana water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Wibaux County?
Wibaux 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 Wibaux County?
Wibaux County is served by 1 public water system that supplies drinking water to residents across 1 ZIP codes.
What is the biggest environmental risk in Wibaux County?
The primary environmental risk factor in Wibaux County is water_lead. This contributes to an estimated additional annual cost of $1,250 per homeowner.
How old are homes in Wibaux County?
The median home build year in Wibaux County is 1968. 73% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Wibaux County compare to Montana?
Wibaux County has an average water safety score of 69/100, which is above the Montana state average of 55/100.

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