Mineral County, Montana
5 ZIP codes · Avg score 54/100 · Grade D · Updated 2026-06-04
While Mineral County's situation varies by ZIP, its 5 ZIP codes collectively fall below the state average — addressing specific concerns starts with checking the system that serves a given address.
How Mineral County Compares
How Mineral County Compares
Mineral County scores 1 points below the Montana state average (55/100) and 14 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
ZIP Code Risk Map
Water Quality Map: Mineral County, Montana
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.8 (asthma 11.1%, diabetes 12.8%)
Estimated additional annual cost per homeowner: $822, driven primarily by wildfire
Infrastructure: 0.328% avg pipe failure probability, 20% of ZIPs at high risk
55.6% 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: $822
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
2,110 housing units in Mineral 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 Mineral County
Remediation costs are relatively manageable for most homeowners in Mineral 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 Mineral County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
All ZIP Codes in Mineral County
5 ZIP codes tracked in Mineral County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 59872 | Superior | 70 | B | 0 | $314K |
| 2 | 59842 | Haugan | 65 | C | 2 | — |
| 3 | 59866 | Saint Regis | 53 | D | 0 | $320K |
| 4 | 59830 | De Borgia | 40 | D | 0 | $319K |
| 5 | 59867 | Saltese | 40 | D | 0 | — |
Recommended Buyer Guides for Mineral County
Below: editorial picks, no sponsored placements.
- Best Lead Paint Test Kits — 55.6% 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
Deep Dive Reports
Detailed analysis for Mineral County, Montana
Overview
Mineral County in Montana covers 5 ZIP codes with an average Home Safety Score of D (54/100).
1 of 5 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
Mineral 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
55.6% of homes in this county were built before 1978. Older plumbing and solder can leach lead into drinking water, especially in the morning.