Texas — 3rd District
119th Congress · 46 ZIP codes · Avg score 91/100 · Grade A · Updated 2026-06-03
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-06-03
Top Contaminants
ZIP Codes in This District
46 ZIP codes tracked in Texas's 3rd District.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 75025 | Plano | 99 | A | 1 |
| 2 | 75026 | Plano | 99 | A | 1 |
| 3 | 75086 | Plano | 99 | A | 1 |
| 4 | 75121 | Copeville | 99 | A | 0 |
| 5 | 75164 | Josephine | 97 | A | 1 |
| 6 | 75403 | Greenville | 96 | A | 6 |
| 7 | 75404 | Greenville | 96 | A | 6 |
| 8 | 75423 | Celeste | 96 | A | 4 |
| 9 | 75009 | Celina | 95 | A | 0 |
| 10 | 75013 | Allen | 95 | A | 0 |
| 11 | 75024 | Plano | 95 | A | 1 |
| 12 | 75071 | Mckinney | 95 | A | 1 |
| 13 | 75078 | Prosper | 95 | A | 1 |
| 14 | 75094 | Plano | 95 | A | 1 |
| 15 | 75166 | Lavon | 95 | A | 0 |
| 16 | 75173 | Nevada | 95 | A | 0 |
| 17 | 75161 | Terrell | 94 | A | 2 |
| 18 | 75409 | Anna | 94 | A | 23 (1 health) |
| 19 | 75429 | Commerce | 94 | A | 12 (4 health) |
| 20 | 75135 | Caddo Mills | 93 | A | 2 |
| 21 | 75033 | Frisco | 92 | A | 4 |
| 22 | 75035 | Frisco | 92 | A | 4 |
| 23 | 75424 | Blue Ridge | 91 | A | 3 (1 health) |
| 24 | 75428 | Commerce | 91 | A | 12 (4 health) |
| 25 | 75474 | Quinlan | 91 | A | 261 (1 health) |
| 26 | 75496 | Wolfe City | 91 | A | 57 (4 health) |
| 27 | 75023 | Plano | 90 | A | 1 |
| 28 | 75069 | Mckinney | 90 | A | 1 |
| 29 | 75070 | Mckinney | 90 | A | 1 |
| 30 | 75074 | Plano | 90 | A | 1 |
| 31 | 75093 | Plano | 90 | A | 1 |
| 32 | 75160 | Terrell | 89 | A | 2 |
| 33 | 75189 | Royse City | 89 | A | 9 (1 health) |
| 34 | 75098 | Wylie | 88 | A | 1 |
| 35 | 75034 | Frisco | 87 | A | 4 |
| 36 | 75401 | Greenville | 87 | A | 6 |
| 37 | 75402 | Greenville | 87 | A | 6 |
| 38 | 75422 | Campbell | 87 | A | 0 |
| 39 | 75453 | Lone Oak | 87 | A | 0 |
| 40 | 75485 | Westminster | 87 | A | 0 |
| 41 | 75002 | Allen | 85 | A | 0 |
| 42 | 75075 | Plano | 85 | A | 1 |
| 43 | 75097 | Weston | 83 | B | 8 (1 health) |
| 44 | 75454 | Melissa | 78 | B | 2 (1 health) |
| 45 | 75407 | Princeton | 72 | B | 9 |
| 46 | 75458 | Merit | 66 | C | 0 |
Overview
Texas's 3rd District serving an estimated 5,052,506 residents encompasses 46 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is A (91/100).
457 EPA violations have been recorded across this district's water systems. 18 are health-based violations. About 78% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Stage 1 DBP Rule — 71 violations
- Lead and Copper Rule — 52 violations
- Revised Total Coliform Rule — 35 violations
- Consumer Confidence Report Rule — 28 violations
- Surface Water Treatment Rule — 15 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 46 ZIP codes in Texas's 3rd District.