Zavala County, Texas
3 ZIP codes · Avg score 93/100 · Grade A · Updated 2026-06-03
Compared to state averages, Zavala County scores well — its 3 ZIP codes sit above the baseline for tap water quality.
How Zavala County Compares
How Zavala County Compares
Zavala County scores 11 points above the Texas state average (82/100) and 25 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
Key Risk Factors
Health risk index: 16 (asthma 9.4%, diabetes 22.6%)
Estimated additional annual cost per homeowner: $777, driven primarily by flood
Infrastructure: 0.323% avg pipe failure probability
51.3% of homes built before 1978 (lead paint era)
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: $777
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
3,979 housing units in Zavala 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 Zavala County
Remediation costs are relatively manageable for most homeowners in Zavala 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 Zavala 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 Zavala County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Batesville Water Supply Corporation | 1,182 | 14 |
| 2 | City of Crystal City | 7,128 | 4 |
| 3 | Loma Alta Water System | 650 | 4 |
| 4 | Zavala County Wcid 1 | 2,043 | 1 |
All ZIP Codes in Zavala County
3 ZIP codes tracked in Zavala County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 78872 | La Pryor | 99 | A | 1 | $97K |
| 2 | 78829 | Batesville | 94 | A | 14 (1 health) | $52K |
| 3 | 78839 | Crystal City | 85 | A | 4 | $92K |
Recommended Buyer Guides for Zavala County
Independent picks. EPA-grounded. Matched here.
- Best Lead Paint Test Kits — 51.3% of homes built before 1978
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Overview
Zavala County in Texas covers 3 ZIP codes with an average Home Safety Score of A (93/100).
3 of 3 ZIP codes have recorded EPA violations. 1 health-based violation 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.