COUNTY REPORT MT

Chouteau County, Montana

6 ZIP codes · Home Safety Score unavailable · 0 of 6 tracked ZIP records scored

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

Unavailable
0 of 6 tracked ZIP records scored
6
ZIP Codes
$136K
Median Home Value
$600
Avg Remediation (0.44% of home value)

ZIP Code Risk Map

Water Quality Map: Chouteau County, Montana

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: 14.2 (asthma 11.8%, diabetes 12.2%)

Modeled additional annual cost estimate per homeowner: $582, largest modeled factor: Water Lead

70% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 11.8% (national: 8.9%)
Diabetes 12.2% (national: 10.5%)
Obesity 35.6% (national: 32.4%)

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

Infrastructure Overview

1959
Median Build Year
70%
Pre-1980 Housing
48/100
Infrastructure Stress Indicator
100%
ZIPs with High Infrastructure Stress
High
Lead Pipe Risk

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

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $582

Water / Lead $400/yr
Energy Code Gap $315/yr
Wildfire $200/yr

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

Housing Age Distribution

2,339 housing units in Chouteau County

Pre-1940 27%
1940–1959 21%
1960–1979 22%
1980–1999 18%
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 Chouteau County

$136K
Median Home Value
$600
Est. Remediation Cost
0.4%
of Home Value
Remediation as % of home value low burden

Modeled remediation costs in Chouteau County can be compared with the median property value; actual costs vary by property.

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 Chouteau County residents

Asthma 11.8% (US avg: 8.9%)
Diabetes 12.2% (US avg: 11%)
Obesity 35.6% (US avg: 32.4%)

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

Water systems mapped to Chouteau County ZIP codes

2 community water systems mapped to Chouteau County ZIP codes; EPA may list more systems serving the county.

Systems with the most violations in Chouteau County

2 water systems with violations in EPA records.

All ZIP Codes in Chouteau County

6 ZIP codes tracked in Chouteau County.

# ZIP Code City Safety Score Grade Violations Home Value
1 59420 Carter — — $148K
2 59442 Fort Benton — — 32 (3 health) $210K
3 59446 Geraldine — — $119K
4 59450 Highwood — — $248K
5 59460 Loma — — $110K
6 59520 Big Sandy — — $124K

Recommended Buyer Guides for Chouteau County

These buyer guides are matched by rule rather than by hand - a PFAS record adds a PFAS filter guide, a lead action-level exceedance adds lead filter guides, a high share of pre-1978 homes adds lead paint test kits, EPA Radon Zone 1 add radon kits, and a top flood or wildfire risk adds related equipment.

Overview

Chouteau County in Montana covers 6 tracked ZIP records. No Home Safety Score is published because the required model evidence is incomplete for every tracked record; missing evidence is not treated as zero.

1 of 1 ZIP code with a reported violation count in the available EPA record have recorded EPA violations. 3 health-based violations appear in the available health breakdown.

← Back to Montana Home Safety Profile

Data Sources

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

Frequently Asked Questions

How many water systems serve Chouteau County?
We map 2 public water systems to 6 ZIP codes in our data for Chouteau County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Chouteau County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Chouteau County is water lead. Across all modeled risk factors, the estimated average additional annual cost is $582 per homeowner; actual costs vary by home.
How old are homes in Chouteau County?
The median home build year in Chouteau County is 1959. 70% of homes were built before 1980; homes built before 1978 may contain lead-based paint, and older homes may have older plumbing materials.

How to cite this page

APA ZipCheckup. (2026). Chouteau County, Montana Home Safety Profile. https://zipcheckup.com/county/montana/chouteau/
BibTeX
@misc{zipcheckup-county-montana-chouteau,
  author = {{ZipCheckup}},
  title  = {{Chouteau County, Montana Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/montana/chouteau/}
}

Page version: October 2026.

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