California — 17th District
119th Congress · 39 ZIP codes · Avg score 74/100 · Grade B · Updated 2026-06-03
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-06-03
Top Contaminants
ZIP Codes in This District
39 ZIP codes tracked in California's 17th District.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 95050 | Santa Clara | 83 | B | 0 |
| 2 | 95052 | Santa Clara | 83 | B | 0 |
| 3 | 95053 | Santa Clara | 83 | B | 0 |
| 4 | 95054 | Santa Clara | 83 | B | 0 |
| 5 | 95055 | Santa Clara | 83 | B | 0 |
| 6 | 95056 | Santa Clara | 83 | B | 0 |
| 7 | 95140 | Mount Hamilton | 83 | B | 0 |
| 8 | 95071 | Saratoga | 82 | B | 2 |
| 9 | 95021 | Gilroy | 79 | B | 3 (3 health) |
| 10 | 95032 | Los Gatos | 79 | B | 2 (1 health) |
| 11 | 95038 | Morgan Hill | 79 | B | 4 (1 health) |
| 12 | 95031 | Los Gatos | 78 | B | 2 (1 health) |
| 13 | 95051 | Santa Clara | 78 | B | 0 |
| 14 | 95070 | Saratoga | 77 | B | 2 |
| 15 | 94040 | Mountain View | 76 | B | 0 |
| 16 | 94043 | Mountain View | 76 | B | 0 |
| 17 | 95036 | Milpitas | 76 | B | 6 |
| 18 | 94085 | Sunnyvale | 75 | B | 0 |
| 19 | 94086 | Sunnyvale | 75 | B | 0 |
| 20 | 94087 | Sunnyvale | 75 | B | 0 |
| 21 | 94089 | Sunnyvale | 75 | B | 0 |
| 22 | 95013 | Coyote | 75 | B | 0 |
| 23 | 95020 | Gilroy | 75 | B | 3 (3 health) |
| 24 | 94035 | Mountain View | 74 | B | 0 |
| 25 | 94039 | Mountain View | 74 | B | 0 |
| 26 | 94041 | Mountain View | 74 | B | 0 |
| 27 | 94042 | Mountain View | 74 | B | 0 |
| 28 | 95030 | Los Gatos | 74 | B | 2 (1 health) |
| 29 | 95033 | Los Gatos | 74 | B | 2 (1 health) |
| 30 | 94088 | Sunnyvale | 72 | B | 0 |
| 31 | 94305 | Stanford | 72 | B | 0 |
| 32 | 95015 | Cupertino | 72 | B | 0 |
| 33 | 95014 | Cupertino | 70 | B | 0 |
| 34 | 95037 | Morgan Hill | 69 | C | 4 (1 health) |
| 35 | 95035 | Milpitas | 66 | C | 6 |
| 36 | 95026 | Holy City | 53 | D | 0 |
| 37 | 95044 | Redwood Estates | 53 | D | 0 |
| 38 | 95002 | Alviso | 50 | D | 0 |
| 39 | 95046 | San Martin | 46 | D | 1 |
Overview
California's 17th District serving an estimated 2,792,064 residents encompasses 39 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is B (74/100).
39 EPA violations have been recorded across this district's water systems. 12 are health-based violations. About 33% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Stage 2 DBP Rule — 12 violations
- Consumer Confidence Report Rule — 12 violations
- Lead — 10 violations
- Haloacetic Acids (HAA5) — 2 violations
- Total Trihalomethanes (TTHM) — 2 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: 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 39 ZIP codes in California's 17th District.