California — 5th District
119th Congress · 106 ZIP codes · Avg score 67/100 · Grade C · Updated 2026-07-19
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-19
ZipCheckup tracks water safety for 106 ZIP codes in California's 5th District: the district earns a grade C (67/100). 216 EPA violations on record, 136 health-based.
Top Contaminants
ZIP Codes in This District
100 ZIP codes tracked in California's 5th District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 95352 | Modesto | 99 | A | 0 |
| 2 | 95356 | Modesto | 99 | A | 0 |
| 3 | 95397 | Modesto | 99 | A | 0 |
| 4 | 95350 | Modesto | 95 | A | 0 |
| 5 | 95353 | Modesto | 95 | A | 0 |
| 6 | 95355 | Modesto | 95 | A | 0 |
| 7 | 95357 | Modesto | 95 | A | 0 |
| 8 | 95386 | Waterford | 95 | A | 0 |
| 9 | 95354 | Modesto | 90 | A | 0 |
| 10 | 95323 | Hickman | 88 | A | 0 |
| 11 | 95316 | Denair | 87 | A | 0 |
| 12 | 93641 | Miramonte | 83 | B | 0 |
| 13 | 95310 | Columbia | 83 | B | 1 |
| 14 | 95329 | La Grange | 83 | B | 5 (1 health) |
| 15 | 95361 | Oakdale | 83 | B | 2 (1 health) |
| 16 | 95379 | Tuolumne | 83 | B | 1 |
| 17 | 95646 | Kirkwood | 83 | B | 1 |
| 18 | 93602 | Auberry | 81 | B | 1 |
| 19 | 95338 | Mariposa | 81 | B | 1 |
| 20 | 95640 | Ione | 81 | B | 2 |
| 21 | 95669 | Plymouth | 80 | B | 5 (3 health) |
| 22 | 95672 | Rescue | 80 | B | 1 |
| 23 | 93636 | Madera | 79 | B | 2 (1 health) |
| 24 | 93664 | Shaver Lake | 78 | B | 0 |
| 25 | 95667 | Placerville | 78 | B | 0 |
| 26 | 95247 | Murphys | 77 | B | 1 (1 health) |
| 27 | 95249 | San Andreas | 76 | B | 3 (3 health) |
| 28 | 95250 | San Andreas | 76 | B | 3 (3 health) |
| 29 | 93650 | Fresno | 75 | B | 5 (2 health) |
| 30 | 95327 | Jamestown | 75 | B | 7 (5 health) |
| 31 | 95689 | Volcano | 75 | B | 1 |
| 32 | 95762 | El Dorado Hills | 75 | B | 0 |
| 33 | 93730 | Fresno | 73 | B | 5 (2 health) |
| 34 | 95252 | Valley Springs | 73 | B | 0 |
| 35 | 95222 | Angels Camp | 71 | B | 2 (1 health) |
| 36 | 95255 | West Point | 71 | B | 2 (1 health) |
| 37 | 95372 | Soulsbyville | 71 | B | 5 (1 health) |
| 38 | 95373 | Standard | 71 | B | 2 |
| 39 | 95629 | Fiddletown | 71 | B | 3 (1 health) |
| 40 | 95675 | River Pines | 71 | B | 2 (1 health) |
| 41 | 93711 | Fresno | 70 | B | 5 (2 health) |
| 42 | 93720 | Fresno | 70 | B | 5 (2 health) |
| 43 | 95326 | Hughson | 70 | B | 36 (35 health) |
| 44 | 95335 | Long Barn | 70 | B | 2 |
| 45 | 95370 | Sonora | 70 | B | 1 |
| 46 | 95382 | Turlock | 70 | B | 0 |
| 47 | 95642 | Jackson | 70 | B | 3 (2 health) |
| 48 | 95685 | Sutter Creek | 69 | C | 3 (1 health) |
| 49 | 93626 | Friant | 68 | C | 3 |
| 50 | 93605 | Big Creek | 67 | C | 3 (1 health) |
Overview
California's 5th District encompasses 106 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is C (67/100).
216 EPA violations have been recorded across this district's water systems. 136 are health-based violations. About 41% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Barium - 60 violations
- Stage 2 DBP Rule - 59 violations
- Consumer Confidence Report Rule - 22 violations
- Total Trihalomethanes (TTHM) - 11 violations
- Nickel - 10 violations
Housing Context
Homes in this district were built on average around 1979 (~47 years old). Older homes may have lead pipes or solder - consider a water filter if your home predates 1986.
Lead Alert: 2 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 106 ZIP codes in California's 5th District.