Texas — 7th District
119th Congress · 19 ZIP codes · Avg score 78/100 · Grade B · Updated 2026-07-17
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-17
ZipCheckup tracks water safety for 19 ZIP codes in Texas's 7th District: the district earns a grade B (78/100). 23 EPA violations on record, 15 health-based.
Top Contaminants
ZIP Codes in This District
19 ZIP codes tracked in Texas's 7th District.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 77046 | Houston | 89 | A | 1 (1 health) |
| 2 | 77005 | Houston | 79 | B | 1 (1 health) |
| 3 | 77006 | Houston | 79 | B | 1 (1 health) |
| 4 | 77007 | Houston | 79 | B | 1 (1 health) |
| 5 | 77019 | Houston | 79 | B | 1 (1 health) |
| 6 | 77027 | Houston | 79 | B | 1 (1 health) |
| 7 | 77056 | Houston | 79 | B | 1 (1 health) |
| 8 | 77063 | Houston | 79 | B | 1 (1 health) |
| 9 | 77081 | Houston | 79 | B | 1 (1 health) |
| 10 | 77083 | Houston | 79 | B | 1 (1 health) |
| 11 | 77098 | Houston | 79 | B | 1 (1 health) |
| 12 | 77469 | Richmond | 78 | B | 4 |
| 13 | 77498 | Sugar Land | 78 | B | 1 |
| 14 | 77008 | Houston | 74 | B | 1 (1 health) |
| 15 | 77042 | Houston | 74 | B | 1 (1 health) |
| 16 | 77072 | Houston | 74 | B | 1 (1 health) |
| 17 | 77082 | Houston | 74 | B | 1 (1 health) |
| 18 | 77411 | Alief | 73 | B | 0 |
| 19 | 77401 | Bellaire | 72 | B | 3 |
Overview
Texas's 7th District encompasses 19 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is B (78/100).
23 EPA violations have been recorded across this district's water systems. 15 are health-based violations. About 95% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Fecal Coliform - 15 violations
- Revised Total Coliform Rule - 2 violations
- Lead and Copper Rule - 2 violations
- Stage 1 DBP Rule - 1 violation
- Chlorite - 1 violation
Housing Context
Homes in this district were built on average around 1993 (~33 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 19 ZIP codes in Texas's 7th District.