Texas — 9th District
119th Congress · 28 ZIP codes · Avg score 80/100 · Grade B · Updated 2026-07-19
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-19
ZipCheckup tracks water safety for 28 ZIP codes in Texas's 9th District: the district earns a grade B (80/100). 33 EPA violations on record, 24 health-based.
Top Contaminants
ZIP Codes in This District
28 ZIP codes tracked in Texas's 9th District.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 77246 | Houston | 98 | A | 1 (1 health) |
| 2 | 77247 | Houston | 98 | A | 1 (1 health) |
| 3 | 77250 | Houston | 98 | A | 1 (1 health) |
| 4 | 77286 | Houston | 98 | A | 1 (1 health) |
| 5 | 77497 | Stafford | 90 | A | 3 |
| 6 | 77054 | Houston | 84 | B | 1 (1 health) |
| 7 | 77085 | Houston | 84 | B | 1 (1 health) |
| 8 | 77021 | Houston | 79 | B | 1 (1 health) |
| 9 | 77030 | Houston | 79 | B | 1 (1 health) |
| 10 | 77031 | Houston | 79 | B | 1 (1 health) |
| 11 | 77033 | Houston | 79 | B | 1 (1 health) |
| 12 | 77036 | Houston | 79 | B | 1 (1 health) |
| 13 | 77047 | Houston | 79 | B | 1 (1 health) |
| 14 | 77048 | Houston | 79 | B | 1 (1 health) |
| 15 | 77051 | Houston | 79 | B | 1 (1 health) |
| 16 | 77053 | Houston | 79 | B | 1 (1 health) |
| 17 | 77061 | Houston | 79 | B | 1 (1 health) |
| 18 | 77071 | Houston | 79 | B | 1 (1 health) |
| 19 | 77477 | Stafford | 75 | B | 3 |
| 20 | 77025 | Houston | 74 | B | 1 (1 health) |
| 21 | 77035 | Houston | 74 | B | 1 (1 health) |
| 22 | 77045 | Houston | 74 | B | 1 (1 health) |
| 23 | 77074 | Houston | 74 | B | 1 (1 health) |
| 24 | 77087 | Houston | 74 | B | 1 (1 health) |
| 25 | 77096 | Houston | 74 | B | 1 (1 health) |
| 26 | 77099 | Houston | 74 | B | 1 (1 health) |
| 27 | 77489 | Missouri City | 74 | B | 3 |
| 28 | 77545 | Fresno | 60 | C | 0 |
Overview
Texas's 9th District encompasses 28 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is B (80/100).
33 EPA violations have been recorded across this district's water systems. 24 are health-based violations. About 96% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Fecal Coliform - 24 violations
- Chlorite - 2 violations
- Stage 1 DBP Rule - 2 violations
- Consumer Confidence Report Rule - 2 violations
- Total Organic Carbon - 1 violation
Housing Context
Homes in this district were built on average around 1982 (~44 years old). Older homes may have lead pipes or solder - consider a water filter if your home predates 1986.
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 28 ZIP codes in Texas's 9th District.