Garza County, Texas
2 ZIP codes · Avg score 66/100 · Grade C · Updated 2026-06-03
Across Garza County's 2 ZIP codes, water safety results are uneven — a portion of systems carry active or recent violations, while others meet standards without issues.
How Garza County Compares
How Garza County Compares
Garza County scores 16 points below the Texas state average (82/100) and 2 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
Key Risk Factors
Health risk index: 13.7 (asthma 9.3%, diabetes 14.9%)
Estimated additional annual cost per homeowner: $735, driven primarily by wildfire
Infrastructure: 0.365% avg pipe failure probability, 50% of ZIPs at high risk
46.5% of homes built before 1978 (lead paint era)
Violation History (2023–2025)
→ Stable trendEPA violation counts by year across Garza County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 10 violations. Past 5 years: 12 total (12 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
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: $735
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
2,262 housing units in Garza 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 Garza County
Remediation costs are relatively manageable for most homeowners in Garza 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 Garza County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 3 systems in Garza County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | CITY OF POST | 5,471 | 33 |
| 2 | White River Mwd | 560 | 33 |
| 3 | South Garza Water Supply Corporation | 216 | 33 |
All ZIP Codes in Garza County
2 ZIP codes tracked in Garza County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 79356 | Post | 68 | C | 33 (9 health) | $83K |
| 2 | 79330 | Justiceburg | 63 | C | 0 | — |
Recommended Buyer Guides for Garza County
Where county records show a lead exceedance or pre-1978 housing concentration, lead-specific filters and test kits move toward the top of the list.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best HEPA Air Purifiers for Wildfire Smoke — Wildfire is the top compound risk factor
Overview
Garza County in Texas covers 2 ZIP codes with an average Home Safety Score of C (66/100).
1 of 2 ZIP codes have recorded EPA violations. 9 health-based violations 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.