La Salle County, Texas
4 ZIP codes · Avg score 85/100 · Grade A · Updated 2026-06-03
Although county size varies, La Salle County's 4 ZIP codes share reliably safe tap water records and above-average compliance scores.
How La Salle County Compares
How La Salle County Compares
La Salle County scores 3 points above the Texas state average (82/100) and 17 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
Key Risk Factors
Health risk index: 13.1 (asthma 8.7%, diabetes 15.5%)
Estimated additional annual cost per homeowner: $795, driven primarily by energy_code_gap
Infrastructure: 0.45% avg pipe failure probability, 33% of ZIPs at high risk
75% 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: $795
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
2,486 housing units in La Salle 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 La Salle County
Remediation costs are relatively manageable for most homeowners in La Salle 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 La Salle 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 La Salle County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | CITY OF COTULLA | 5,640 | 24 |
| 2 | Gardendale Water Supply Corporation | 174 | 24 |
| 3 | Fowlerton Water Supply Corporation | 135 | 7 |
| 4 | Encinal Water Supply Corporation | 1,338 | 1 |
All ZIP Codes in La Salle County
4 ZIP codes tracked in La Salle County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 78019 | Encinal | 99 | A | 1 | $106K |
| 2 | 78021 | Fowlerton | 91 | A | 7 (1 health) | — |
| 3 | 78014 | Cotulla | 82 | B | 24 (2 health) | $77K |
| 4 | 78001 | Artesia Wells | 66 | C | 0 | — |
Recommended Buyer Guides for La Salle County
Editorial methodology pairs each documented risk in this county with the buyer category that addresses it, drawing on water-quality detections, housing-stock lead exposure, EPA Radon Zone designation, and FEMA flood and wildfire ratings. NSF-certified options surface where applicable, and products that match the specific contaminant take priority.
- Best Lead Paint Test Kits — 75% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Overview
La Salle County in Texas covers 4 ZIP codes with an average Home Safety Score of A (85/100).
3 of 4 ZIP codes have recorded EPA violations. 3 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.