California — 11th District
119th Congress · 57 ZIP codes · Avg score 55/100 · Grade C · Updated 2026-07-19
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-19
ZipCheckup tracks water safety for 57 ZIP codes in California's 11th District: the district earns a grade C (55/100). 399 EPA violations on record, 342 health-based.
Top Contaminants
ZIP Codes in This District
57 ZIP codes tracked in California's 11th District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 94102 | San Francisco | 59 | C | 7 (6 health) |
| 2 | 94103 | San Francisco | 59 | C | 7 (6 health) |
| 3 | 94104 | San Francisco | 59 | C | 7 (6 health) |
| 4 | 94105 | San Francisco | 59 | C | 7 (6 health) |
| 5 | 94107 | San Francisco | 59 | C | 7 (6 health) |
| 6 | 94108 | San Francisco | 59 | C | 7 (6 health) |
| 7 | 94109 | San Francisco | 59 | C | 7 (6 health) |
| 8 | 94110 | San Francisco | 59 | C | 7 (6 health) |
| 9 | 94114 | San Francisco | 59 | C | 7 (6 health) |
| 10 | 94115 | San Francisco | 59 | C | 7 (6 health) |
| 11 | 94118 | San Francisco | 59 | C | 7 (6 health) |
| 12 | 94120 | San Francisco | 59 | C | 7 (6 health) |
| 13 | 94121 | San Francisco | 59 | C | 7 (6 health) |
| 14 | 94122 | San Francisco | 59 | C | 7 (6 health) |
| 15 | 94123 | San Francisco | 59 | C | 7 (6 health) |
| 16 | 94124 | San Francisco | 59 | C | 7 (6 health) |
| 17 | 94127 | San Francisco | 59 | C | 7 (6 health) |
| 18 | 94131 | San Francisco | 59 | C | 7 (6 health) |
| 19 | 94132 | San Francisco | 59 | C | 7 (6 health) |
| 20 | 94133 | San Francisco | 59 | C | 7 (6 health) |
| 21 | 94111 | San Francisco | 54 | D | 7 (6 health) |
| 22 | 94116 | San Francisco | 54 | D | 7 (6 health) |
| 23 | 94101 | San Francisco | 53 | D | 7 (6 health) |
| 24 | 94117 | San Francisco | 53 | D | 7 (6 health) |
| 25 | 94119 | San Francisco | 53 | D | 7 (6 health) |
| 26 | 94125 | San Francisco | 53 | D | 7 (6 health) |
| 27 | 94126 | San Francisco | 53 | D | 7 (6 health) |
| 28 | 94129 | San Francisco | 53 | D | 7 (6 health) |
| 29 | 94130 | San Francisco | 53 | D | 7 (6 health) |
| 30 | 94136 | San Francisco | 53 | D | 7 (6 health) |
| 31 | 94137 | San Francisco | 53 | D | 7 (6 health) |
| 32 | 94139 | San Francisco | 53 | D | 7 (6 health) |
| 33 | 94140 | San Francisco | 53 | D | 7 (6 health) |
| 34 | 94141 | San Francisco | 53 | D | 7 (6 health) |
| 35 | 94142 | San Francisco | 53 | D | 7 (6 health) |
| 36 | 94143 | San Francisco | 53 | D | 7 (6 health) |
| 37 | 94144 | San Francisco | 53 | D | 7 (6 health) |
| 38 | 94145 | San Francisco | 53 | D | 7 (6 health) |
| 39 | 94146 | San Francisco | 53 | D | 7 (6 health) |
| 40 | 94147 | San Francisco | 53 | D | 7 (6 health) |
| 41 | 94150 | San Francisco | 53 | D | 7 (6 health) |
| 42 | 94151 | San Francisco | 53 | D | 7 (6 health) |
| 43 | 94153 | San Francisco | 53 | D | 7 (6 health) |
| 44 | 94154 | San Francisco | 53 | D | 7 (6 health) |
| 45 | 94156 | San Francisco | 53 | D | 7 (6 health) |
| 46 | 94158 | San Francisco | 53 | D | 7 (6 health) |
| 47 | 94159 | San Francisco | 53 | D | 7 (6 health) |
| 48 | 94160 | San Francisco | 53 | D | 7 (6 health) |
| 49 | 94161 | San Francisco | 53 | D | 7 (6 health) |
| 50 | 94162 | San Francisco | 53 | D | 7 (6 health) |
Overview
California's 11th District encompasses 57 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is C (55/100).
399 EPA violations have been recorded across this district's water systems. 342 are health-based violations. About 100% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Contaminant 0700 - 342 violations
- Lead - 57 violations
Housing Context
Homes in this district were built on average around 1936 (~90 years old). Older homes may have lead pipes or solder - consider a water filter if your home predates 1986.
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 57 ZIP codes in California's 11th District.