Mills County, Texas
5 ZIP codes · Avg score 75/100 · Grade B · Updated 2026-06-03
Mills County's tap water quality puts it in the upper tier nationally; the 5 ZIP codes here record few health-based violations.
How Mills County Compares
How Mills County Compares
Mills County scores 7 points below the Texas state average (82/100) and 7 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Mills County, Texas
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.3 (asthma 9.8%, diabetes 14.2%)
Estimated additional annual cost per homeowner: $570, driven primarily by wildfire
Infrastructure: 0.307% avg pipe failure probability
44.8% 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: $570
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
2,494 housing units in Mills 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 Mills County
Remediation costs are relatively manageable for most homeowners in Mills 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 Mills County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
All ZIP Codes in Mills County
5 ZIP codes tracked in Mills County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 76870 | Priddy | 88 | A | 0 | $194K |
| 2 | 76844 | Goldthwaite | 87 | A | 3 (1 health) | $184K |
| 3 | 76565 | Pottsville | 66 | C | 0 | — |
| 4 | 76864 | Mullin | 66 | C | 0 | $260K |
| 5 | 76880 | Star | 66 | C | 0 | — |
Recommended Buyer Guides for Mills County
Below: editorial picks, no sponsored placements.
- Best HEPA Air Purifiers for Wildfire Smoke — Wildfire is the top compound risk factor
Deep Dive Reports
Detailed analysis for Mills County, Texas
Overview
Mills County in Texas covers 5 ZIP codes with an average Home Safety Score of B (75/100).
1 of 5 ZIP codes have recorded EPA violations. 1 health-based violation have been documented.
← Back to Texas 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.