COUNTY REPORT MT

Silver Bow County, Montana

8 ZIP codes · Avg score 66/100 · Grade C · Updated

ZipCheckup grade for Silver Bow County: C.

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

Across Silver Bow County, EPA compliance data for 8 ZIP codes sits at a moderate level - not alarming, but not uniformly clean either.

How Silver Bow County Compares

Silver Bow County66/100
Montana avg65/100
National avg73/100

How Silver Bow County Compares

C
County Grade
66/100
Avg Safety Score
8
ZIP Codes
1
Water Systems

Silver Bow County scores 1 points above the Montana state average (65/100) and 7 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
66
Avg Safety Score
8
ZIP Codes
Best ZIP: 59701 (66/100)
Lowest ZIP: 59727 (66/100)
$348K
Median Home Value
$1,350
Avg Remediation (39% of home value)

ZIP Code Risk Map

Water Quality Map: Silver Bow 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: 12.7 (asthma 11.1%, diabetes 10.2%)

Estimated additional annual cost per homeowner: $1,130, driven primarily by flood

52.4% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 11.1% (national: 8.9%)
Diabetes 10.2% (national: 10.5%)
Obesity 32.3% (national: 32.4%)

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

Infrastructure Overview

1987
Median Build Year
52.4%
Pre-1978 Housing
37/100
Infrastructure Stress Indicator
38%
ZIPs with High Infrastructure Stress
Low
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: $1,130

Flood $600/yr
Underground Tanks $480/yr
Wildfire $300/yr

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

Housing Age Distribution

17,384 housing units in Silver Bow County

Pre-1940 39%
1940–1959 17%
1960–1979 22%
1980–1999 12%
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 Silver Bow County

$348K
Median Home Value
$1,350
Est. Remediation Cost
0.4%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Silver Bow 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 Silver Bow County residents

Asthma 11.1% (US avg: 8.9%)
Diabetes 10.2% (US avg: 11%)
Obesity 32.3% (US avg: 32.4%)

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

Water systems serving Silver Bow County

1 community water system serving Silver Bow County.

Systems with the most violations in Silver Bow County

1 water system with recorded EPA violations.

All ZIP Codes in Silver Bow County

8 ZIP codes tracked in Silver Bow County.

# ZIP Code City Safety Score Grade Violations Home Value
1 59701 Butte 66 C 3 $219K
2 59727 Divide 66 C 3 $348K
3 59702 Butte
4 59703 Butte
5 59707 Butte
6 59743 Melrose $485K
7 59748 Ramsay 3 $271K
8 59750 Butte 3 $488K

Recommended Buyer Guides for Silver Bow County

Editorial-only picks, screened against the EPA detections on file.

Overview

Silver Bow County in Montana covers 8 tracked ZIP records with an average Home Safety Score of C (66/100) across 2 scored records.

4 of 4 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 Montana 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 Silver Bow County?
Silver Bow 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 Silver Bow County?
Silver Bow County is served by 1 public water system that supplies drinking water to residents across 8 ZIP codes.
What is the biggest environmental risk in Silver Bow County?
The primary environmental risk factor in Silver Bow County is flood. This contributes to an estimated additional annual cost of $1,130 per homeowner.
How old are homes in Silver Bow County?
The median home build year in Silver Bow County is 1987. 52.4% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Silver Bow County compare to Montana?
Silver Bow County has an average Home Safety Score of 66/100 under model 4.0.0, which is above the Montana state average of 65/100.

How to cite this page

APA ZipCheckup. (2026). Silver Bow County, MT: HSS 66/100; 3 Violations. https://zipcheckup.com/county/montana/silver-bow/
BibTeX
@misc{zipcheckup-county-montana-silver-bow,
  author = {{ZipCheckup}},
  title  = {{Silver Bow County, MT: HSS 66/100; 3 Violations}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/montana/silver-bow/}
}

Page version: August 2026.

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