Texas — 27th District
119th Congress · 135 ZIP codes · Avg score 78/100 · 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 27th District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 78352 | Edroy | 99 | A | 0 |
| 2 | 78135 | New Braunfels | 98 | A | 4 (1 health) |
| 3 | 77971 | Lolita | 95 | A | 1 |
| 4 | 77984 | Shiner | 95 | A | 0 |
| 5 | 77970 | La Ward | 94 | A | 2 |
| 6 | 78131 | New Braunfels | 94 | A | 4 (1 health) |
| 7 | 78146 | Pettus | 94 | A | 2 |
| 8 | 78159 | Smiley | 94 | A | 15 (1 health) |
| 9 | 77991 | Vanderbilt | 93 | A | 15 (2 health) |
| 10 | 78419 | Corpus Christi | 92 | A | 6 (6 health) |
| 11 | 78426 | Corpus Christi | 92 | A | 6 (6 health) |
| 12 | 78427 | Corpus Christi | 92 | A | 6 (6 health) |
| 13 | 78465 | Corpus Christi | 92 | A | 6 (6 health) |
| 14 | 78470 | Corpus Christi | 92 | A | 6 (6 health) |
| 15 | 78471 | Corpus Christi | 92 | A | 6 (6 health) |
| 16 | 78472 | Corpus Christi | 92 | A | 6 (6 health) |
| 17 | 78475 | Corpus Christi | 92 | A | 6 (6 health) |
| 18 | 78476 | Corpus Christi | 92 | A | 6 (6 health) |
| 19 | 78477 | Corpus Christi | 92 | A | 6 (6 health) |
| 20 | 78343 | Bishop | 90 | A | 0 |
| 21 | 78622 | Fentress | 90 | A | 0 |
| 22 | 77995 | Yoakum | 89 | A | 2 |
| 23 | 78330 | Agua Dulce | 89 | A | 2 |
| 24 | 78460 | Corpus Christi | 89 | A | 6 (6 health) |
| 25 | 78463 | Corpus Christi | 89 | A | 6 (6 health) |
| 26 | 78466 | Corpus Christi | 89 | A | 6 (6 health) |
| 27 | 78467 | Corpus Christi | 89 | A | 6 (6 health) |
| 28 | 78468 | Corpus Christi | 89 | A | 6 (6 health) |
| 29 | 78474 | Corpus Christi | 89 | A | 6 (6 health) |
| 30 | 78480 | Corpus Christi | 89 | A | 6 (6 health) |
| 31 | 78644 | Lockhart | 88 | A | 1 |
| 32 | 77990 | Tivoli | 87 | A | 3 |
| 33 | 78140 | Nixon | 87 | A | 0 |
| 34 | 78377 | Refugio | 87 | A | 6 |
| 35 | 77963 | Goliad | 86 | A | 14 (1 health) |
| 36 | 77978 | Point Comfort | 86 | A | 32 (9 health) |
| 37 | 78335 | Aransas Pass | 86 | A | 3 (1 health) |
| 38 | 78391 | Tynan | 86 | A | 10 (1 health) |
| 39 | 78648 | Luling | 86 | A | 5 |
| 40 | 77964 | Hallettsville | 85 | A | 0 |
| 41 | 78667 | San Marcos | 85 | A | 1 |
| 42 | 77968 | Inez | 84 | B | 2 |
| 43 | 78403 | Corpus Christi | 84 | B | 6 (6 health) |
| 44 | 78405 | Corpus Christi | 84 | B | 6 (6 health) |
| 45 | 78406 | Corpus Christi | 84 | B | 6 (6 health) |
| 46 | 78407 | Corpus Christi | 84 | B | 6 (6 health) |
| 47 | 78469 | Corpus Christi | 84 | B | 6 (6 health) |
| 48 | 78473 | Corpus Christi | 84 | B | 6 (6 health) |
| 49 | 77950 | Austwell | 83 | B | 9 (1 health) |
| 50 | 77962 | Ganado | 81 | B | 15 (1 health) |
Overview
Texas's 27th District serving an estimated 14,045,109 residents encompasses 135 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is B (78/100).
2225 EPA violations have been recorded across this district's water systems. 720 are health-based violations. About 72% 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 — 319 violations
- Consumer Confidence Report Rule — 301 violations
- Haloacetic Acids (HAA5) — 298 violations
- Fecal Coliform — 243 violations
- Stage 1 DBP Rule — 221 violations
Housing Context
Homes in this district were built on average around 1978 (~48 years old). Older homes may have lead pipes or solder — consider a water filter if your home predates 1986.
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 135 ZIP codes in Texas's 27th District.