Lavaca County, Texas
4 ZIP codes · Avg score 87/100 · Grade A · Updated 2026-06-03
Water utilities serving Lavaca County's 4 ZIP codes have built a consistent compliance record — the county's above-average grade reflects years of data showing low violation rates and no systemic health concerns.
How Lavaca County Compares
How Lavaca County Compares
Lavaca County scores 5 points above the Texas state average (82/100) and 19 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
Key Risk Factors
Health risk index: 14.5 (asthma 10.1%, diabetes 14.6%)
Estimated additional annual cost per homeowner: $3,845, driven primarily by sea_level
Infrastructure: 0.34% avg pipe failure probability
64.3% 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: $3,845
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
12,330 housing units in Lavaca 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 Lavaca County
Remediation costs are relatively manageable for most homeowners in Lavaca 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 Lavaca 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 Lavaca County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | City of Hallettsville | 2,733 | 23 |
| 2 | City of Moulton | 857 | 23 |
| 3 | City of Shiner | 2,127 | 1 |
| 4 | City of Yoakum | 5,815 | 1 |
| 5 | City of Victoria | 66,932 | 1 |
9 total water systems serve Lavaca County.
All ZIP Codes in Lavaca County
4 ZIP codes tracked in Lavaca County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 77984 | Shiner | 95 | A | 0 | $196K |
| 2 | 77964 | Hallettsville | 85 | A | 0 | $232K |
| 3 | 77995 | Yoakum | 85 | A | 1 | $168K |
| 4 | 77975 | Moulton | 81 | B | 23 | $197K |
Recommended Buyer Guides for Lavaca County
Strictly editorial — no paid placements influence which guides appear; the selection draws on NSF certifications and EPA detection records for water systems serving this county.
- Best Lead Paint Test Kits — 64.3% of homes built before 1978
Overview
Lavaca County in Texas covers 4 ZIP codes with an average Home Safety Score of A (87/100).
2 of 4 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← 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.