California — 7th District
119th Congress · 46 ZIP codes · Avg score 78/100 · Grade B · Updated 2026-06-03
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-06-03
Top Contaminants
ZIP Codes in This District
46 ZIP codes tracked in California's 7th District.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 94026 | Menlo Park | 99 | A | 0 |
| 2 | 95611 | Citrus Heights | 99 | A | 0 |
| 3 | 95617 | Davis | 94 | A | 4 |
| 4 | 95798 | West Sacramento | 94 | A | 2 (1 health) |
| 5 | 95799 | West Sacramento | 94 | A | 2 (1 health) |
| 6 | 95671 | Represa | 93 | A | 2 (1 health) |
| 7 | 95605 | West Sacramento | 91 | A | 2 (1 health) |
| 8 | 95615 | Courtland | 87 | A | 2 (2 health) |
| 9 | 95627 | Esparto | 87 | A | 0 |
| 10 | 95694 | Winters | 87 | A | 0 |
| 11 | 95937 | Dunnigan | 87 | A | 0 |
| 12 | 95609 | Carmichael | 86 | A | 3 |
| 13 | 95618 | Davis | 86 | A | 4 |
| 14 | 94025 | Menlo Park | 85 | A | 0 |
| 15 | 95610 | Citrus Heights | 85 | A | 0 |
| 16 | 95621 | Citrus Heights | 85 | A | 0 |
| 17 | 95628 | Fair Oaks | 83 | B | 0 |
| 18 | 95662 | Orangevale | 82 | B | 0 |
| 19 | 95616 | Davis | 81 | B | 4 |
| 20 | 95691 | West Sacramento | 81 | B | 2 (1 health) |
| 21 | 95696 | Vacaville | 80 | B | 7 (6 health) |
| 22 | 95641 | Isleton | 79 | B | 9 (3 health) |
| 23 | 95632 | Galt | 78 | B | 2 (1 health) |
| 24 | 95693 | Wilton | 77 | B | 0 |
| 25 | 95608 | Carmichael | 76 | B | 3 |
| 26 | 95660 | North Highlands | 76 | B | 3 |
| 27 | 94074 | San Gregorio | 73 | B | 0 |
| 28 | 95606 | Brooks | 73 | B | 0 |
| 29 | 95612 | Clarksburg | 73 | B | 0 |
| 30 | 95637 | Guinda | 73 | B | 0 |
| 31 | 95638 | Herald | 73 | B | 0 |
| 32 | 95653 | Madison | 73 | B | 6 (1 health) |
| 33 | 95680 | Ryde | 73 | B | 0 |
| 34 | 95673 | Rio Linda | 72 | B | 0 |
| 35 | 95687 | Vacaville | 70 | B | 7 (6 health) |
| 36 | 95688 | Vacaville | 70 | B | 7 (6 health) |
| 37 | 95758 | Elk Grove | 70 | B | 0 |
| 38 | 95759 | Elk Grove | 70 | B | 0 |
| 39 | 95607 | Capay | 66 | C | 0 |
| 40 | 95639 | Hood | 66 | C | 0 |
| 41 | 94027 | Atherton | 65 | C | 0 |
| 42 | 95624 | Elk Grove | 65 | C | 0 |
| 43 | 95652 | Mcclellan | 65 | C | 0 |
| 44 | 95686 | Thornton | 65 | C | 0 |
| 45 | 95690 | Walnut Grove | 63 | C | 17 (16 health) |
| 46 | 95757 | Elk Grove | 60 | C | 0 |
Overview
California's 7th District serving an estimated 1,645,965 residents encompasses 46 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is B (78/100).
88 EPA violations have been recorded across this district's water systems. 46 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:
- Haloacetic Acids (HAA5) — 25 violations
- Stage 2 DBP Rule — 22 violations
- Consumer Confidence Report Rule — 22 violations
- Stage 1 DBP Rule — 13 violations
- Barium — 3 violations
Housing Context
Homes in this district were built on average around 1974 (~52 years old). Older homes may have lead pipes or solder — consider a water filter if your home predates 1986.
Lead Alert: 4 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 46 ZIP codes in California's 7th District.