Hamilton County, Texas
4 ZIP codes · Home Safety Score unavailable · 0 of 4 tracked ZIP records scored · Updated
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:
Key Risk Factors
Health risk index: 14.9 (asthma 10.1%, diabetes 14.6%)
Estimated additional annual cost per homeowner: $1,198, driven primarily by energy_code_gap
56.5% of homes built before 1978 (lead paint era)
Violation History (2023–2025)
→ Stable trendEPA violation counts by year across Hamilton County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 7 violations. Past 5 years: 15 total (15 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
Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,198
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
4,406 housing units in Hamilton 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 Hamilton 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 Hamilton County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Hamilton County
2 community water systems serving Hamilton County.
Systems with the most violations in Hamilton County
2 water systems with recorded EPA violations.
All ZIP Codes in Hamilton County
4 ZIP codes tracked in Hamilton County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 76436 | Carlton | — | — | — | |
| 2 | 76457 | Hico | — | — | $218K | |
| 3 | 76531 | Hamilton | — | — | 33 (25 health) | $128K |
| 4 | 76565 | Pottsville | — | — | — |
Recommended Buyer Guides for Hamilton County
Eight risk categories drive the selection - PFAS exceedance, lead above EPA action level, pre-1978 housing share, EPA Radon Zone 1, flood-top-risk, wildfire-top-risk, multi-contaminant load, and a baseline fallback - and each category maps to a specific buyer-guide track that surfaces when the county data hits its threshold for that hazard signal.
- 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
Hamilton County in Texas covers 4 tracked ZIP records. No Home Safety Score is published because the required model evidence is incomplete for every tracked record; missing evidence is not treated as zero.
1 of 1 ZIP code with a reported violation count in the available EPA record have recorded EPA violations. 25 health-based violations appear in the available health breakdown.
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Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.