Texas — 34th District
119th Congress · 33 ZIP codes · Avg score 72/100 · Grade B · Updated 2026-06-03
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-06-03
Top Contaminants
ZIP Codes in This District
33 ZIP codes tracked in Texas's 34th District.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 78385 | Sarita | 98 | A | 17 (1 health) |
| 2 | 78364 | Kingsville | 92 | A | 5 (3 health) |
| 3 | 78553 | Harlingen | 91 | A | 15 (1 health) |
| 4 | 78575 | Olmito | 87 | A | 3 (3 health) |
| 5 | 78551 | Harlingen | 86 | A | 15 (1 health) |
| 6 | 78522 | Brownsville | 83 | B | 13 |
| 7 | 78523 | Brownsville | 83 | B | 13 |
| 8 | 78578 | Port Isabel | 80 | B | 0 |
| 9 | 78586 | San Benito | 80 | B | 0 |
| 10 | 78594 | Sebastian | 78 | B | 13 (1 health) |
| 11 | 78363 | Kingsville | 77 | B | 5 (3 health) |
| 12 | 78559 | La Feria | 77 | B | 12 (3 health) |
| 13 | 78535 | Combes | 74 | B | 17 (8 health) |
| 14 | 78338 | Armstrong | 73 | B | 0 |
| 15 | 78526 | Brownsville | 73 | B | 13 |
| 16 | 78568 | Lozano | 73 | B | 0 |
| 17 | 78550 | Harlingen | 71 | B | 15 (1 health) |
| 18 | 78552 | Harlingen | 71 | B | 15 (1 health) |
| 19 | 78593 | Santa Rosa | 69 | C | 16 (4 health) |
| 20 | 78520 | Brownsville | 68 | C | 13 |
| 21 | 78521 | Brownsville | 68 | C | 13 |
| 22 | 78561 | Lasara | 66 | C | 0 |
| 23 | 78567 | Los Indios | 66 | C | 0 |
| 24 | 78592 | Santa Maria | 66 | C | 0 |
| 25 | 78579 | Progreso | 65 | C | 15 (13 health) |
| 26 | 78590 | San Perlita | 65 | C | 0 |
| 27 | 78569 | Lyford | 63 | C | 33 |
| 28 | 78580 | Raymondville | 61 | C | 27 (10 health) |
| 29 | 78566 | Los Fresnos | 60 | C | 23 (18 health) |
| 30 | 78583 | Rio Hondo | 60 | C | 78 (38 health) |
| 31 | 78598 | Port Mansfield | 60 | C | 0 |
| 32 | 78379 | Riviera | 57 | C | 56 (41 health) |
| 33 | 78597 | South Padre Island | 50 | D | 0 |
Overview
Texas's 34th District serving an estimated 1,820,996 residents encompasses 33 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is B (72/100).
445 EPA violations have been recorded across this district's water systems. 150 are health-based violations. About 70% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Consumer Confidence Report Rule — 80 violations
- Lead and Copper Rule — 79 violations
- Fecal Coliform — 51 violations
- Haloacetic Acids (HAA5) — 45 violations
- Combined Radium — 27 violations
Housing Context
Homes in this district were built on average around 1987 (~39 years old). Most homes were built after lead pipe regulations were tightened.
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 33 ZIP codes in Texas's 34th District.