Garfield County, Montana
4 ZIP codes · Avg score 44/100 · Grade D · Updated 2026-06-03
Across Garfield County, EPA compliance records for 4 ZIP codes fall well below average — documented health-based violations affect multiple areas, and the county's sustained low grade points to structural rather than temporary shortfalls in the underlying water systems.
How Garfield County Compares
How Garfield County Compares
Garfield County scores 11 points below the Montana state average (55/100) and 24 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
Key Risk Factors
Health risk index: 13.7 (asthma 11.1%, diabetes 11.5%)
Estimated additional annual cost per homeowner: $685, driven primarily by wildfire
Infrastructure: 0.333% avg pipe failure probability, 25% of ZIPs at high risk
54.8% of homes built before 1978 (lead paint era)
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $685
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
615 housing units in Garfield County
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 Garfield County
Remediation costs are relatively manageable for most homeowners in Garfield 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 Garfield County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
All ZIP Codes in Garfield County
4 ZIP codes tracked in Garfield County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 59337 | Jordan | 56 | C | 23 | $174K |
| 2 | 59077 | Sand Springs | 40 | D | 0 | $265K |
| 3 | 59318 | Brusett | 40 | D | 0 | $207K |
| 4 | 59322 | Cohagen | 40 | D | 0 | — |
Recommended Buyer Guides for Garfield County
Federal and certification sources drive the ordering: EPA monitoring data, NSF certifications, FEMA flood maps, and CDC lead guidance — guides surface only when county data warrants them.
- Best Lead Paint Test Kits — 54.8% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- Best HEPA Air Purifiers for Wildfire Smoke — Wildfire is the top compound risk factor
Overview
Garfield County in Montana covers 4 ZIP codes with an average Home Safety Score of D (44/100).
1 of 4 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← Back to Montana water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.
What You Can Do
Garfield County has a grade of D. Here are steps to protect your household.
Test your tap water
Order a certified lab test kit ($20-$50) to check for lead, bacteria, and other contaminants specific to your ZIP code.
Consider a certified water filter
NSF-certified filters can remove most common contaminants. Match the filter to your test results for best protection. Try our filter matcher
Contact your water utility
Request the latest Consumer Confidence Report (CCR) from your water provider. It details exactly what was found in your water supply.
Check for lead in your home
54.8% of homes in this county were built before 1978. Older plumbing and solder can leach lead into drinking water, especially in the morning.