Texas — 31st District
119th Congress · 68 ZIP codes · Avg score 82/100 · Grade B · Updated 2026-07-19
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-19
ZipCheckup tracks water safety for 68 ZIP codes in Texas's 31st District: the district earns a grade B (82/100). 427 EPA violations on record, 120 health-based.
Top Contaminants
ZIP Codes in This District
68 ZIP codes tracked in Texas's 31st District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 76544 | Fort Hood | 99 | A | 0 |
| 2 | 76554 | Little River Academy | 99 | A | 0 |
| 3 | 76637 | Cranfills Gap | 99 | A | 0 |
| 4 | 76649 | Iredell | 99 | A | 0 |
| 5 | 78682 | Round Rock | 99 | A | 1 |
| 6 | 76557 | Moody | 98 | A | 14 (1 health) |
| 7 | 76505 | Temple | 97 | A | 1 |
| 8 | 76508 | Temple | 97 | A | 1 |
| 9 | 78630 | Cedar Park | 96 | A | 6 |
| 10 | 76530 | Granger | 95 | A | 1 |
| 11 | 78680 | Round Rock | 95 | A | 1 |
| 12 | 78683 | Round Rock | 95 | A | 1 |
| 13 | 76525 | Evant | 94 | A | 7 |
| 14 | 76534 | Holland | 94 | A | 5 (1 health) |
| 15 | 76561 | Oglesby | 94 | A | 2 |
| 16 | 76579 | Troy | 94 | A | 2 |
| 17 | 76671 | Morgan | 94 | A | 2 |
| 18 | 78627 | Georgetown | 94 | A | 12 (1 health) |
| 19 | 76503 | Temple | 93 | A | 1 |
| 20 | 76569 | Rogers | 93 | A | 2 |
| 21 | 76665 | Meridian | 93 | A | 2 |
| 22 | 76537 | Jarrell | 92 | A | 3 |
| 23 | 78605 | Bertram | 92 | A | 3 |
| 24 | 78634 | Hutto | 90 | A | 1 |
| 25 | 78628 | Georgetown | 89 | A | 12 (1 health) |
| 26 | 78633 | Georgetown | 89 | A | 12 (1 health) |
| 27 | 76501 | Temple | 88 | A | 1 |
| 28 | 76504 | Temple | 88 | A | 1 |
| 29 | 76564 | Pendleton | 88 | A | 1 |
| 30 | 78642 | Liberty Hill | 88 | A | 13 (2 health) |
| 31 | 76511 | Bartlett | 87 | A | 16 (2 health) |
| 32 | 76526 | Flat | 87 | A | 5 (1 health) |
| 33 | 76634 | Clifton | 86 | A | 3 (1 health) |
| 34 | 76522 | Copperas Cove | 85 | A | 1 |
| 35 | 76574 | Taylor | 85 | A | 0 |
| 36 | 76571 | Salado | 84 | B | 0 |
| 37 | 78626 | Georgetown | 84 | B | 12 (1 health) |
| 38 | 76502 | Temple | 83 | B | 1 |
| 39 | 76513 | Belton | 83 | B | 4 |
| 40 | 78613 | Cedar Park | 82 | B | 6 |
| 41 | 76527 | Florence | 81 | B | 7 (3 health) |
| 42 | 78646 | Leander | 81 | B | 22 |
| 43 | 76559 | Nolanville | 80 | B | 4 |
| 44 | 76531 | Hamilton | 77 | B | 9 (6 health) |
| 45 | 76689 | Valley Mills | 77 | B | 22 (2 health) |
| 46 | 76548 | Harker Heights | 76 | B | 7 (3 health) |
| 47 | 78654 | Marble Falls | 75 | B | 2 (2 health) |
| 48 | 78641 | Leander | 71 | B | 22 |
| 49 | 76457 | Hico | 70 | B | 1 |
| 50 | 78611 | Burnet | 67 | C | 35 (12 health) |
Overview
Texas's 31st District encompasses 68 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is B (82/100).
427 EPA violations have been recorded across this district's water systems. 120 are health-based violations. About 72% 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 - 93 violations
- Haloacetic Acids (HAA5) - 89 violations
- Stage 1 DBP Rule - 80 violations
- Revised Total Coliform Rule - 48 violations
- Stage 2 DBP Rule - 28 violations
Housing Context
Homes in this district were built on average around 1987 (~39 years old). Most homes were built after lead pipe regulations were tightened.
Lead Alert: 1 ZIP code 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 68 ZIP codes in Texas's 31st District.