DeWitt County, Texas
5 ZIP codes · Avg score 67/100 · Grade C · Updated 2026-06-03
Water safety in DeWitt County is uneven — some of its 5 ZIP codes meet standards cleanly while others carry documented violations.
How DeWitt County Compares
How DeWitt County Compares
DeWitt County scores 15 points below the Texas state average (82/100) and 1 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: DeWitt County, Texas
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.6 (asthma 9.8%, diabetes 15.9%)
Estimated additional annual cost per homeowner: $4,438, driven primarily by sea_level
Infrastructure: 0.354% avg pipe failure probability, 20% of ZIPs at high risk
66.6% 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: $4,438
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
7,330 housing units in DeWitt 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 DeWitt County
Remediation costs are relatively manageable for most homeowners in DeWitt 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 DeWitt 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 DeWitt County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | CITY OF NORDHEIM | 336 | 4 |
| 2 | CITY OF RUNGE | 1,482 | 4 |
| 3 | City of Cuero | 9,807 | 1 |
| 4 | City of Yorktown | 1,726 | 1 |
| 5 | GONZALES COUNTY WSC | 10,350 | 0 |
All ZIP Codes in DeWitt County
5 ZIP codes tracked in DeWitt County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 78164 | Yorktown | 85 | A | 1 | $165K |
| 2 | 77954 | Cuero | 77 | B | 0 | $186K |
| 3 | 78141 | Nordheim | 72 | B | 4 (1 health) | $59K |
| 4 | 77974 | Meyersville | 50 | D | 0 | $187K |
| 5 | 77993 | Weesatche | 50 | D | 0 | $221K |
Recommended Buyer Guides for DeWitt County
Below: editorial picks, no sponsored placements.
- Best Lead Paint Test Kits — 66.6% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Deep Dive Reports
Detailed analysis for DeWitt County, Texas
Overview
DeWitt County in Texas covers 5 ZIP codes with an average Home Safety Score of C (67/100).
2 of 5 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.