Gaines County, Texas
3 ZIP codes · Avg score 80/100 · Grade B · Updated 2026-07-19
ZipCheckup grade for Gaines: B.
This ZIP looks solid, with a few items worth a quick check.
Gaines County earns a high water safety grade - 3 ZIP codes tracked, virtually all compliant.
How Gaines County Compares
How Gaines County Compares
Gaines County scores 2 points below the Texas state average (82/100) and 12 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-07-19
Key Risk Factors
Health risk index: 12.3 (asthma 10.2%, diabetes 11.8%)
Estimated additional annual cost per homeowner: $1,074, driven primarily by flood
Infrastructure: 0.457% avg pipe failure probability, 67% of ZIPs at high risk
66.7% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Gaines County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 8 violations. Past 5 years: 26 total (26 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: $1,074
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
7,190 housing units in Gaines 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 Gaines County
Remediation costs are relatively manageable for most homeowners in Gaines 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 Gaines County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Gaines County
4 community water systems serving Gaines County.
- A
- B
- B
- B
Systems with the most violations in Gaines County
3 water systems with recorded EPA violations.
- B
- B
- A
All ZIP Codes in Gaines County
3 ZIP codes tracked in Gaines County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 79360 | Seminole | 92 | A | 8 (3 health) | $199K |
| 2 | 79342 | Loop | 77 | B | 24 (7 health) | $160K |
| 3 | 79359 | Seagraves | 70 | B | 23 (19 health) | $93K |
Recommended Buyer Guides for Gaines County
Federal and certification sources drive the ordering: EPA monitoring data, NSF certifications, FEMA flood maps, and CDC lead guidance - guides surface only when county data warrants them.
- Best Lead Paint Test Kits — 66.7% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Overview
Gaines County in Texas covers 3 ZIP codes with an average Home Safety Score of B (80/100).
3 of 3 ZIP codes have recorded EPA violations. 29 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.