COUNTY REPORT MT

Glacier County, Montana

4 ZIP codes · Avg score 55/100 · Grade C · Updated 2026-06-04

Spanning 4 ZIP codes, Glacier County lands near the national median for water safety — compliance results are mixed, and the county's middle-grade standing reflects genuine variability rather than a single systemic problem.

How Glacier County Compares

Glacier County55/100
Montana avg55/100
National avg68/100

How Glacier County Compares

C
County Grade
55/100
Avg Safety Score
4
ZIP Codes
6
Water Systems

Glacier County scores 0 points above the Montana state average (55/100) and 13 points below the national average (68/100).

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

C
County Grade
55
Avg Safety Score
4
ZIP Codes
Best ZIP: 59427 (64/100)
Lowest ZIP: 59434 (40/100)
$167K
Median Home Value
$1,500
Avg Remediation (90% of home value)

Key Risk Factors

Health risk index: 16.3 (asthma 14.6%, diabetes 15.5%)

Estimated additional annual cost per homeowner: $990, driven primarily by energy_code_gap

Infrastructure: 0.388% avg pipe failure probability, 25% of ZIPs at high risk

69.3% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 14.6% (national: 8.9%)
Diabetes 15.5% (national: 10.5%)
Obesity 39.7% (national: 32.4%)

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

Infrastructure Overview

1979
Median Build Year
69.3%
Pre-1978 Housing
39%
Pipe Failure Probability
25%
ZIPs at High Infra Risk
Low
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: $990

Energy Code Gap $338/yr
Underground Tanks $240/yr
Water / Lead $213/yr

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

Housing Age Distribution

5,344 housing units in Glacier County

Pre-1940 11%
1940–1959 17%
1960–1979 39%
1980–1999 23%
2000+ 10%

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 Glacier County

$167K
Median Home Value
$1,500
Est. Remediation Cost
0.9%
of Home Value
Remediation as % of home value low burden

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

Asthma 14.6% (US avg: 8.9%)
Diabetes 15.5% (US avg: 11%)
Obesity 39.7% (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 Glacier County ranked by EPA violation count.

# Water System Population Violations
1 Piegan Border Station 94 5
2 City of Cut Bank 3,105 2
3 Cut Bank North Water District 478 2
4 Glendale Colony 150 2
5 Horizon Colony 150 2

6 total water systems serve Glacier County.

All ZIP Codes in Glacier County

4 ZIP codes tracked in Glacier County.

# ZIP Code City Safety Score Grade Violations Home Value
1 59427 Cut Bank 64 C 2 $161K
2 59411 Babb 61 C 5 $271K
3 59417 Browning 53 D 0 $129K
4 59434 East Glacier Park 40 D 0 $172K

Recommended Buyer Guides for Glacier County

Filtered against federal data, fitted to local risks.

Overview

Glacier County in Montana covers 4 ZIP codes with an average Home Safety Score of C (55/100).

2 of 4 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.

← Back to Montana water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Glacier County?
Glacier 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 Glacier County?
Glacier County is served by 6 public water systems that supply drinking water to residents across 4 ZIP codes.
What is the biggest environmental risk in Glacier County?
The primary environmental risk factor in Glacier County is energy_code_gap. This contributes to an estimated additional annual cost of $990 per homeowner.
How old are homes in Glacier County?
The median home build year in Glacier County is 1979. 69.3% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Glacier County compare to Montana?
Glacier County has an average water safety score of 55/100, which is above the Montana state average of 55/100.

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