Judith Basin County, Montana
6 ZIP codes · Avg score 51/100 · Grade D · Updated 2026-06-04
Unlike better-scoring counties, Judith Basin County records health-based violations across a meaningful portion of its 6 ZIP codes — the overall safety grade is well below average.
How Judith Basin County Compares
How Judith Basin County Compares
Judith Basin County scores 4 points below the Montana state average (55/100) and 17 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
ZIP Code Risk Map
Water Quality Map: Judith Basin County, Montana
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.4 (asthma 11%, diabetes 12.7%)
Estimated additional annual cost per homeowner: $875, driven primarily by water_lead
Infrastructure: 0.41% avg pipe failure probability, 67% of ZIPs at high risk
71.5% 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: $875
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
1,215 housing units in Judith Basin 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 Judith Basin County
Remediation costs are relatively manageable for most homeowners in Judith Basin 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 Judith Basin County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 4 systems in Judith Basin County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | HOBSON TOWN OF | 125 | 2 |
| 2 | Stanford Town of | 425 | 2 |
| 3 | Surprise Creek Colony | 80 | 2 |
| 4 | Geyser Judith Basin Cty Water Sewer District | 125 | 0 |
All ZIP Codes in Judith Basin County
6 ZIP codes tracked in Judith Basin County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 59452 | Hobson | 65 | C | 2 | $192K |
| 2 | 59479 | Stanford | 65 | C | 2 | $190K |
| 3 | 59447 | Geyser | 56 | C | 0 | $225K |
| 4 | 59418 | Buffalo | 40 | D | 0 | $563K |
| 5 | 59462 | Moccasin | 40 | D | 0 | $217K |
| 6 | 59469 | Raynesford | 40 | D | 0 | $263K |
Recommended Buyer Guides for Judith Basin County
Editorial methodology pairs each documented risk in this county with the buyer category that addresses it, drawing on water-quality detections, housing-stock lead exposure, EPA Radon Zone designation, and FEMA flood and wildfire ratings. NSF-certified options surface where applicable, and products that match the specific contaminant take priority.
- Best Lead Paint Test Kits — 71.5% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Deep Dive Reports
Detailed analysis for Judith Basin County, Montana
Overview
Judith Basin County in Montana covers 6 ZIP codes with an average Home Safety Score of D (51/100).
2 of 6 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
Judith Basin 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
71.5% of homes in this county were built before 1978. Older plumbing and solder can leach lead into drinking water, especially in the morning.