Texas — 4th District
119th Congress · 80 ZIP codes · Avg score 82/100 · Grade B · Updated 2026-07-17
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-17
ZipCheckup tracks water safety for 80 ZIP codes in Texas's 4th District: the district earns a grade B (82/100). 515 EPA violations on record, 75 health-based.
Top Contaminants
ZIP Codes in This District
80 ZIP codes tracked in Texas's 4th District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 75025 | Plano | 99 | A | 1 |
| 2 | 75443 | Gober | 99 | A | 0 |
| 3 | 75448 | Klondike | 99 | A | 0 |
| 4 | 76264 | Sadler | 99 | A | 0 |
| 5 | 75446 | Honey Grove | 98 | A | 3 |
| 6 | 75461 | Paris | 97 | A | 2 (2 health) |
| 7 | 75132 | Fate | 96 | A | 7 |
| 8 | 75009 | Celina | 95 | A | 0 |
| 9 | 75024 | Plano | 95 | A | 1 |
| 10 | 75449 | Ladonia | 95 | A | 9 |
| 11 | 75021 | Denison | 94 | A | 2 |
| 12 | 75287 | Dallas | 94 | A | 3 |
| 13 | 75426 | Clarksville | 94 | A | 7 (1 health) |
| 14 | 75432 | Cooper | 94 | A | 7 (4 health) |
| 15 | 75439 | Ector | 94 | A | 8 (1 health) |
| 16 | 75490 | Trenton | 94 | A | 3 |
| 17 | 75431 | Como | 93 | A | 3 |
| 18 | 76233 | Collinsville | 93 | A | 11 (2 health) |
| 19 | 75058 | Gunter | 91 | A | 2 |
| 20 | 75414 | Bells | 91 | A | 5 (1 health) |
| 21 | 75491 | Whitewright | 91 | A | 8 (1 health) |
| 22 | 75091 | Sherman | 90 | A | 4 |
| 23 | 75020 | Denison | 89 | A | 2 |
| 24 | 75032 | Rockwall | 89 | A | 10 (1 health) |
| 25 | 75087 | Rockwall | 89 | A | 10 (1 health) |
| 26 | 75189 | Royse City | 89 | A | 7 (1 health) |
| 27 | 75418 | Bonham | 89 | A | 2 |
| 28 | 75561 | Hooks | 89 | A | 7 (1 health) |
| 29 | 75447 | Ivanhoe | 88 | A | 0 |
| 30 | 75462 | Paris | 88 | A | 2 (2 health) |
| 31 | 75489 | Tom Bean | 88 | A | 1 |
| 32 | 75034 | Frisco | 87 | A | 4 |
| 33 | 75420 | Brashear | 87 | A | 3 (1 health) |
| 34 | 75435 | Deport | 87 | A | 7 (1 health) |
| 35 | 75438 | Dodd City | 87 | A | 6 (1 health) |
| 36 | 75483 | Sulphur Springs | 87 | A | 3 (1 health) |
| 37 | 75492 | Windom | 87 | A | 5 (1 health) |
| 38 | 76271 | Tioga | 87 | A | 1 |
| 39 | 75415 | Ben Franklin | 86 | A | 2 |
| 40 | 76273 | Whitesboro | 86 | A | 6 |
| 41 | 75075 | Plano | 85 | A | 1 |
| 42 | 75468 | Pattonville | 85 | A | 2 |
| 43 | 75495 | Van Alstyne | 85 | A | 12 |
| 44 | 75252 | Dallas | 84 | B | 3 |
| 45 | 75477 | Roxton | 84 | B | 6 (3 health) |
| 46 | 75413 | Bailey | 83 | B | 6 (1 health) |
| 47 | 75433 | Cumby | 83 | B | 23 (1 health) |
| 48 | 75460 | Paris | 83 | B | 2 (2 health) |
| 49 | 75471 | Pickton | 82 | B | 4 |
| 50 | 75076 | Pottsboro | 81 | B | 37 (1 health) |
Overview
Texas's 4th District encompasses 80 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is B (82/100).
515 EPA violations have been recorded across this district's water systems. 75 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 - 113 violations
- Stage 1 DBP Rule - 74 violations
- Consumer Confidence Report Rule - 53 violations
- Revised Total Coliform Rule - 52 violations
- Stage 2 DBP Rule - 50 violations
Housing Context
Homes in this district were built on average around 1989 (~37 years old). Most homes were built after lead pipe regulations were tightened.
Lead Alert: 4 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 80 ZIP codes in Texas's 4th District.