COUNTY REPORT MT

Deer Lodge County, Montana

2 ZIP codes · Avg score 57/100 · Grade C · Updated 2026-06-04

Based on current EPA data, Deer Lodge County's 2 ZIP codes reflect fair but mixed water safety.

How Deer Lodge County Compares

Deer Lodge County57/100
Montana avg55/100
National avg68/100

How Deer Lodge County Compares

C
County Grade
57/100
Avg Safety Score
2
ZIP Codes
7
Water Systems

Deer Lodge County scores 2 points above the Montana state average (55/100) and 11 points below the national average (68/100).

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

C
County Grade
57
Avg Safety Score
2
ZIP Codes
Best ZIP: 59711 (59/100)
Lowest ZIP: 59756 (54/100)
$216K
Median Home Value
$1,800
Avg Remediation (83% of home value)

Key Risk Factors

Health risk index: 14.5 (asthma 11.3%, diabetes 12.9%)

Estimated additional annual cost per homeowner: $1,485, driven primarily by energy_code_gap

Infrastructure: 0.555% avg pipe failure probability, 50% of ZIPs at high risk

90.5% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 11.3% (national: 8.9%)
Diabetes 12.9% (national: 10.5%)
Obesity 32.4% (national: 32.4%)

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

Infrastructure Overview

1930
Median Build Year
90.5%
Pre-1978 Housing
56%
Pipe Failure Probability
50%
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: $1,485

Energy Code Gap $405/yr
Water / Lead $400/yr
Wildfire $300/yr

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

Housing Age Distribution

6,072 housing units in Deer Lodge County

Pre-1940 33%
1940–1959 25%
1960–1979 20%
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 Deer Lodge County

$216K
Median Home Value
$1,800
Est. Remediation Cost
0.8%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Deer Lodge 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 Deer Lodge County residents

Asthma 11.3% (US avg: 8.9%)
Diabetes 12.9% (US avg: 11%)
Obesity 32.4% (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 Deer Lodge County ranked by EPA violation count.

# Water System Population Violations
1 Montana State Hospital Complex 721 9
2 Anaconda Water Department 6,750 8
3 Butte Silverbow Water Department 33,000 8
4 Fairmont Hot Springs Resort 1,965 8
5 Anaconda Ccc 290 8

7 total water systems serve Deer Lodge County.

All ZIP Codes in Deer Lodge County

2 ZIP codes tracked in Deer Lodge County.

# ZIP Code City Safety Score Grade Violations Home Value
1 59711 Anaconda 59 C 8 $216K
2 59756 Warm Springs 54 D 9

Recommended Buyer Guides for Deer Lodge County

Below: editorial picks, no sponsored placements.

Overview

Deer Lodge County in Montana covers 2 ZIP codes with an average Home Safety Score of C (57/100).

2 of 2 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 Deer Lodge County?
Deer Lodge 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 Deer Lodge County?
Deer Lodge County is served by 7 public water systems that supply drinking water to residents across 2 ZIP codes.
What is the biggest environmental risk in Deer Lodge County?
The primary environmental risk factor in Deer Lodge County is energy_code_gap. This contributes to an estimated additional annual cost of $1,485 per homeowner.
How old are homes in Deer Lodge County?
The median home build year in Deer Lodge County is 1930. 90.5% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Deer Lodge County compare to Montana?
Deer Lodge County has an average water safety score of 57/100, which is above the Montana state average of 55/100.

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