Throckmorton County, Texas
2 ZIP codes · Avg score 73/100 · Grade B · Updated 2026-06-03
The 2 water systems serving Throckmorton County show strong compliance with federal drinking water standards.
How Throckmorton County Compares
How Throckmorton County Compares
Throckmorton County scores 9 points below the Texas state average (82/100) and 5 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
Key Risk Factors
Health risk index: 15.3 (asthma 10%, diabetes 15.4%)
Estimated additional annual cost per homeowner: $1,340, driven primarily by energy_code_gap
Infrastructure: 0.48% avg pipe failure probability, 100% of ZIPs at high risk
83% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Throckmorton County water systems. Health-based shown in red, total in blue.
Peak year: 2021 with 8 violations. Past 5 years: 20 total (20 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: $1,340
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
818 housing units in Throckmorton 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 Throckmorton 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 Throckmorton 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 Throckmorton County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Fort Belknap Water Supply Corporation | 8,070 | 7 |
| 2 | Stephens Regional Special Utility District | 4,809 | 7 |
| 3 | Fort Griffin Special Utility District | 3,300 | 7 |
| 4 | City of Throckmorton | 720 | 7 |
All ZIP Codes in Throckmorton County
2 ZIP codes tracked in Throckmorton County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 76483 | Throckmorton | 79 | B | 7 (4 health) | $74K |
| 2 | 76491 | Woodson | 66 | C | 0 | $113K |
Recommended Buyer Guides for Throckmorton County
While many sites publish identical guide lists across every county they cover, the selection here changes by location — driven by the EPA, NSF, FEMA, and CDC datasets that describe the actual conditions documented for this jurisdiction in the federal record.
- Best Lead Paint Test Kits — 83% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Overview
Throckmorton County in Texas covers 2 ZIP codes with an average Home Safety Score of B (73/100).
1 of 2 ZIP codes have recorded EPA violations. 4 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.