Clay County, Texas
6 ZIP codes · Avg score 89/100 · Grade A · Updated 2026-06-03
Across Clay County's 6 ZIP codes, EPA compliance data shows above-average performance — violation rates are minimal, none of the county's systems have triggered health-based MCL exceedances in recent cycles, and the county's scores have stayed above the national baseline across every recent reporting period.
How Clay County Compares
How Clay County Compares
Clay County scores 7 points above the Texas state average (82/100) and 21 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Clay 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 (asthma 10.1%, diabetes 13.2%)
Estimated additional annual cost per homeowner: $1,132, driven primarily by energy_code_gap
Infrastructure: 0.407% avg pipe failure probability, 50% of ZIPs at high risk
77.6% of homes built before 1978 (lead paint era)
Violation History (2024–2025)
→ Stable trendEPA violation counts by year across Clay County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 7 violations. Past 5 years: 11 total (11 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: $1,132
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
3,714 housing units in Clay 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 Clay County
Remediation costs are relatively manageable for most homeowners in Clay 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 Clay 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 Clay County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Dean Dale Special Utility District | 2,492 | 79 |
| 2 | City of Byers | 446 | 40 |
| 3 | City of Petrolia | 514 | 34 |
| 4 | Bluegrove Water Supply Corporation | 66 | 14 |
| 5 | City of Henrietta | 3,111 | 5 |
8 total water systems serve Clay County.
All ZIP Codes in Clay County
6 ZIP codes tracked in Clay County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 76352 | Bluegrove | 98 | A | 14 (1 health) | — |
| 2 | 76363 | Goree | 94 | A | 2 | $25K |
| 3 | 76377 | Petrolia | 94 | A | 34 (1 health) | $90K |
| 4 | 76365 | Henrietta | 89 | A | 5 (1 health) | $143K |
| 5 | 76228 | Bellevue | 88 | A | 0 | $150K |
| 6 | 76357 | Byers | 68 | C | 40 (7 health) | $117K |
Recommended Buyer Guides for Clay County
If FEMA records flag flood-top-risk status or EPA samples show PFAS exceedances, the matching logic lifts emergency-water and PFAS-rated filtration into the recommendations — federal data drives the order, not retailer arrangements.
- Best Lead Paint Test Kits — 77.6% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Clay County, Texas
Overview
Clay County in Texas covers 6 ZIP codes with an average Home Safety Score of A (89/100).
5 of 6 ZIP codes have recorded EPA violations. 10 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.