Texas — 23rd District
119th Congress · 100 ZIP codes · Avg score 79/100 · Grade B · Updated 2026-06-03
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-06-03
Top Contaminants
ZIP Codes in This District
100 ZIP codes tracked in Texas's 23rd District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 78830 | Big Wells | 99 | A | 0 |
| 2 | 79777 | Pyote | 99 | A | 1 |
| 3 | 78019 | Encinal | 98 | A | 2 |
| 4 | 78872 | La Pryor | 98 | A | 2 |
| 5 | 79731 | Crane | 98 | A | 4 (1 health) |
| 6 | 79754 | Mentone | 98 | A | 23 (1 health) |
| 7 | 78057 | Moore | 95 | A | 9 |
| 8 | 78061 | Pearsall | 95 | A | 0 |
| 9 | 78886 | Yancey | 95 | A | 0 |
| 10 | 76936 | Eldorado | 94 | A | 4 |
| 11 | 78059 | Natalia | 94 | A | 4 (1 health) |
| 12 | 78827 | Asherton | 94 | A | 55 (1 health) |
| 13 | 78829 | Batesville | 94 | A | 21 (1 health) |
| 14 | 78832 | Brackettville | 94 | A | 2 |
| 15 | 78834 | Carrizo Springs | 94 | A | 80 (1 health) |
| 16 | 78870 | Knippa | 94 | A | 2 (1 health) |
| 17 | 79719 | Barstow | 94 | A | 28 (1 health) |
| 18 | 79745 | Kermit | 94 | A | 25 (1 health) |
| 19 | 78847 | Del Rio | 93 | A | 6 |
| 20 | 76943 | Ozona | 92 | A | 6 |
| 21 | 78016 | Devine | 91 | A | 5 |
| 22 | 78021 | Fowlerton | 91 | A | 12 (1 health) |
| 23 | 78029 | Kerrville | 91 | A | 7 (4 health) |
| 24 | 78881 | Sabinal | 91 | A | 29 (1 health) |
| 25 | 78009 | Castroville | 90 | A | 0 |
| 26 | 78017 | Dilley | 90 | A | 13 (4 health) |
| 27 | 78039 | La Coste | 90 | A | 0 |
| 28 | 78853 | Eagle Pass | 90 | A | 10 (2 health) |
| 29 | 76950 | Sonora | 89 | A | 7 (1 health) |
| 30 | 78055 | Medina | 89 | A | 3 |
| 31 | 78841 | Del Rio | 89 | A | 6 |
| 32 | 78842 | Del Rio | 89 | A | 6 |
| 33 | 78861 | Hondo | 89 | A | 3 (1 health) |
| 34 | 79744 | Iraan | 89 | A | 25 (2 health) |
| 35 | 78802 | Uvalde | 88 | A | 8 |
| 36 | 76932 | Big Lake | 87 | A | 5 (1 health) |
| 37 | 79756 | Monahans | 87 | A | 2 |
| 38 | 79788 | Wickett | 87 | A | 2 |
| 39 | 79789 | Wink | 87 | A | 3 (1 health) |
| 40 | 78837 | Comstock | 85 | A | 3 |
| 41 | 78850 | D Hanis | 85 | A | 6 (2 health) |
| 42 | 78003 | Bandera | 84 | B | 61 (1 health) |
| 43 | 78023 | Helotes | 83 | B | 20 (2 health) |
| 44 | 78801 | Uvalde | 83 | B | 8 |
| 45 | 79734 | Fort Davis | 83 | B | 0 |
| 46 | 78014 | Cotulla | 82 | B | 98 (2 health) |
| 47 | 79831 | Alpine | 82 | B | 12 (1 health) |
| 48 | 79832 | Alpine | 82 | B | 12 (1 health) |
| 49 | 79842 | Marathon | 82 | B | 2 |
| 50 | 79845 | Presidio | 82 | B | 6 (1 health) |
Overview
Texas's 23rd District serving an estimated 888,477 residents encompasses 100 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is B (79/100).
2688 EPA violations have been recorded across this district's water systems. 426 are health-based violations. About 74% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Lead and Copper Rule — 383 violations
- Consumer Confidence Report Rule — 356 violations
- Fecal Coliform — 308 violations
- Stage 1 DBP Rule — 258 violations
- Contaminant 0800 — 166 violations
Housing Context
Homes in this district were built on average around 1979 (~47 years old). Older homes may have lead pipes or solder — consider a water filter if your home predates 1986.
Lead Alert: 2 ZIP codes in this district exceed the EPA action level for lead. Consider using a certified lead-removal filter.
Data Sources
- Water quality violations: EPA Safe Drinking Water Information System (SDWIS)
- Congressional district boundaries: U.S. Census Bureau, 119th Congress
- Housing age: U.S. Census Bureau American Community Survey
Updated daily. Data covers 100 ZIP codes in Texas's 23rd District.