San Augustine County, Texas
2 ZIP codes · Avg score 70/100 · Grade B · Updated 2026-06-03
Tracking 2 ZIP codes in San Augustine County shows a water safety record well above the national median — violations are isolated exceptions, not recurring patterns.
How San Augustine County Compares
How San Augustine County Compares
San Augustine County scores 12 points below the Texas state average (82/100) and 2 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
Key Risk Factors
Health risk index: 18.8 (asthma 11.5%, diabetes 20.9%)
Estimated additional annual cost per homeowner: $2,645, driven primarily by sea_level
Infrastructure: 0.43% avg pipe failure probability, 50% of ZIPs at high risk
56.5% of homes built before 1978 (lead paint era)
Violation History (2022–2025)
↑ Worsening trendEPA violation counts by year across San Augustine County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 9 violations. Past 5 years: 15 total (15 health-based). Health-based violations are rising versus the prior 2-year window — worth closer monitoring.
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: $2,645
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
4,597 housing units in San Augustine 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 San Augustine County
Water safety remediation is a moderate expense relative to home values. Most homeowners can address issues through staged improvements over time.
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 San Augustine County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in San Augustine County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | New Water Supply Corporation | 1,128 | 51 |
| 2 | City of San Augustine | 1,971 | 38 |
| 3 | San Augustine Rural Water Supply Corporation | 1,450 | 38 |
| 4 | Denning Water Supply Corporation | 648 | 38 |
| 5 | G M Water Supply Corporation | 11,220 | 38 |
8 total water systems serve San Augustine County.
All ZIP Codes in San Augustine County
2 ZIP codes tracked in San Augustine County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 75972 | San Augustine | 70 | B | 38 (23 health) | $77K |
| 2 | 75929 | Broaddus | 69 | C | 13 | $149K |
Recommended Buyer Guides for San Augustine County
Retailer arrangements don't shape what appears here — the selection logic is independent, filtered against EPA detections and the federal hazard data on file for this county.
- Best Lead Paint Test Kits — 56.5% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Overview
San Augustine County in Texas covers 2 ZIP codes with an average Home Safety Score of B (70/100).
2 of 2 ZIP codes have recorded EPA violations. 23 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.