Texas — 26th District
119th Congress · 35 ZIP codes · Avg score 87/100 · Grade A · Updated 2026-07-19
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-19
ZipCheckup tracks water safety for 35 ZIP codes in Texas's 26th District: the district earns a grade A (87/100). 231 EPA violations on record, 16 health-based.
Top Contaminants
ZIP Codes in This District
35 ZIP codes tracked in Texas's 26th District.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 76206 | Denton | 98 | A | 3 |
| 2 | 76241 | Gainesville | 98 | A | 6 (1 health) |
| 3 | 75010 | Carrollton | 95 | A | 0 |
| 4 | 75056 | The Colony | 95 | A | 1 |
| 5 | 75029 | Lewisville | 94 | A | 9 (1 health) |
| 6 | 75065 | Lake Dallas | 94 | A | 2 |
| 7 | 76258 | Pilot Point | 94 | A | 4 (1 health) |
| 8 | 75033 | Frisco | 92 | A | 4 |
| 9 | 75057 | Lewisville | 91 | A | 9 (1 health) |
| 10 | 76023 | Boyd | 91 | A | 7 |
| 11 | 75007 | Carrollton | 90 | A | 0 |
| 12 | 75022 | Flower Mound | 89 | A | 5 (1 health) |
| 13 | 75028 | Flower Mound | 89 | A | 5 (1 health) |
| 14 | 76210 | Denton | 89 | A | 3 |
| 15 | 76227 | Aubrey | 89 | A | 6 |
| 16 | 76272 | Valley View | 89 | A | 8 (1 health) |
| 17 | 76078 | Rhome | 88 | A | 0 |
| 18 | 76234 | Decatur | 88 | A | 17 (2 health) |
| 19 | 76238 | Era | 87 | A | 2 (1 health) |
| 20 | 75067 | Lewisville | 86 | A | 9 (1 health) |
| 21 | 75068 | Little Elm | 86 | A | 7 (1 health) |
| 22 | 76073 | Paradise | 86 | A | 2 |
| 23 | 76259 | Ponder | 86 | A | 3 |
| 24 | 76266 | Sanger | 86 | A | 9 |
| 25 | 76262 | Roanoke | 85 | A | 0 |
| 26 | 76252 | Muenster | 84 | B | 4 |
| 27 | 76226 | Argyle | 83 | B | 8 |
| 28 | 76247 | Justin | 82 | B | 5 |
| 29 | 76426 | Bridgeport | 82 | B | 11 (2 health) |
| 30 | 75077 | Lewisville | 81 | B | 9 (1 health) |
| 31 | 76240 | Gainesville | 79 | B | 6 (1 health) |
| 32 | 76071 | Newark | 76 | B | 63 |
| 33 | 76250 | Lindsay | 76 | B | 4 |
| 34 | 76263 | Rosston | 73 | B | 0 |
| 35 | 76253 | Myra | 66 | C | 0 |
Overview
Texas's 26th District encompasses 35 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is A (87/100).
231 EPA violations have been recorded across this district's water systems. 16 are health-based violations. About 83% 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 - 67 violations
- Consumer Confidence Report Rule - 38 violations
- Stage 1 DBP Rule - 29 violations
- Revised Total Coliform Rule - 27 violations
- Stage 2 DBP Rule - 26 violations
Housing Context
Homes in this district were built on average around 1995 (~31 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 35 ZIP codes in Texas's 26th District.