California — 25th District
119th Congress · 141 ZIP codes · Avg score 73/100 · Grade B · Updated 2026-06-03
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-06-03
Top Contaminants
ZIP Codes in This District
100 ZIP codes tracked in California's 25th District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 92654 | Laguna Hills | 99 | A | 0 |
| 2 | 91773 | San Dimas | 95 | A | 0 |
| 3 | 92283 | Winterhaven | 92 | A | 71 (3 health) |
| 4 | 92250 | Holtville | 91 | A | 6 (1 health) |
| 5 | 92251 | Imperial | 91 | A | 6 (1 health) |
| 6 | 92259 | Ocotillo | 91 | A | 7 (1 health) |
| 7 | 92653 | Laguna Hills | 90 | A | 0 |
| 8 | 92244 | El Centro | 88 | A | 0 |
| 9 | 92249 | Heber | 88 | A | 0 |
| 10 | 92243 | El Centro | 87 | A | 0 |
| 11 | 92227 | Brawley | 85 | A | 4 |
| 12 | 91758 | Ontario | 83 | B | 0 |
| 13 | 91761 | Ontario | 83 | B | 0 |
| 14 | 91762 | Ontario | 83 | B | 0 |
| 15 | 91798 | Ontario | 83 | B | 0 |
| 16 | 92025 | Escondido | 83 | B | 0 |
| 17 | 92030 | Escondido | 83 | B | 0 |
| 18 | 92033 | Escondido | 83 | B | 0 |
| 19 | 92046 | Escondido | 83 | B | 0 |
| 20 | 92230 | Cabazon | 83 | B | 0 |
| 21 | 92273 | Seeley | 83 | B | 5 (1 health) |
| 22 | 92501 | Riverside | 83 | B | 0 |
| 23 | 92502 | Riverside | 83 | B | 0 |
| 24 | 92503 | Riverside | 83 | B | 0 |
| 25 | 92504 | Riverside | 83 | B | 0 |
| 26 | 92505 | Riverside | 83 | B | 0 |
| 27 | 92506 | Riverside | 83 | B | 0 |
| 28 | 92507 | Riverside | 83 | B | 0 |
| 29 | 92508 | Riverside | 83 | B | 0 |
| 30 | 92513 | Riverside | 83 | B | 0 |
| 31 | 92514 | Riverside | 83 | B | 0 |
| 32 | 92515 | Riverside | 83 | B | 0 |
| 33 | 92516 | Riverside | 83 | B | 0 |
| 34 | 92517 | Riverside | 83 | B | 0 |
| 35 | 92519 | Riverside | 83 | B | 0 |
| 36 | 92521 | Riverside | 83 | B | 0 |
| 37 | 92522 | Riverside | 83 | B | 0 |
| 38 | 92532 | Lake Elsinore | 83 | B | 0 |
| 39 | 92551 | Moreno Valley | 83 | B | 0 |
| 40 | 92552 | Moreno Valley | 83 | B | 0 |
| 41 | 92553 | Moreno Valley | 83 | B | 0 |
| 42 | 92554 | Moreno Valley | 83 | B | 0 |
| 43 | 92555 | Moreno Valley | 83 | B | 0 |
| 44 | 92556 | Moreno Valley | 83 | B | 0 |
| 45 | 92557 | Moreno Valley | 83 | B | 0 |
| 46 | 92567 | Nuevo | 83 | B | 0 |
| 47 | 92571 | Perris | 83 | B | 0 |
| 48 | 92572 | Perris | 83 | B | 0 |
| 49 | 92581 | San Jacinto | 83 | B | 0 |
| 50 | 92582 | San Jacinto | 83 | B | 0 |
Overview
California's 25th District serving an estimated 21,488,116 residents encompasses 141 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is B (73/100).
638 EPA violations have been recorded across this district's water systems. 114 are health-based violations. About 38% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Total Trihalomethanes (TTHM) — 91 violations
- Haloacetic Acids (HAA5) — 90 violations
- Consumer Confidence Report Rule — 72 violations
- Lead — 60 violations
- Stage 2 DBP Rule — 58 violations
Housing Context
Homes in this district were built on average around 1985 (~41 years old). Older homes may have lead pipes or solder — consider a water filter if your home predates 1986.
Lead Alert: 3 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 141 ZIP codes in California's 25th District.