California — 50th District
119th Congress · 74 ZIP codes · Avg score 64/100 · Grade C · Updated 2026-07-17
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-17
ZipCheckup tracks water safety for 74 ZIP codes in California's 50th District: the district earns a grade C (64/100). 841 EPA violations on record, 248 health-based.
Top Contaminants
ZIP Codes in This District
74 ZIP codes tracked in California's 50th District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 92030 | Escondido | 99 | A | 0 |
| 2 | 92046 | Escondido | 99 | A | 0 |
| 3 | 92025 | Escondido | 95 | A | 0 |
| 4 | 92033 | Escondido | 95 | A | 0 |
| 5 | 92029 | Escondido | 90 | A | 0 |
| 6 | 92067 | Rancho Santa Fe | 90 | A | 0 |
| 7 | 92014 | Del Mar | 83 | B | 1 |
| 8 | 92038 | La Jolla | 73 | B | 0 |
| 9 | 92178 | Coronado | 73 | B | 0 |
| 10 | 92078 | San Marcos | 71 | B | 28 (6 health) |
| 11 | 92079 | San Marcos | 69 | C | 28 (6 health) |
| 12 | 92096 | San Marcos | 69 | C | 28 (6 health) |
| 13 | 92039 | La Jolla | 66 | C | 0 |
| 14 | 92069 | San Marcos | 66 | C | 28 (6 health) |
| 15 | 92092 | La Jolla | 66 | C | 0 |
| 16 | 92093 | La Jolla | 66 | C | 0 |
| 17 | 92104 | San Diego | 65 | C | 13 (4 health) |
| 18 | 92118 | Coronado | 65 | C | 0 |
| 19 | 92122 | San Diego | 65 | C | 13 (4 health) |
| 20 | 92127 | San Diego | 65 | C | 13 (4 health) |
| 21 | 92128 | San Diego | 65 | C | 13 (4 health) |
| 22 | 92129 | San Diego | 65 | C | 13 (4 health) |
| 23 | 92130 | San Diego | 65 | C | 13 (4 health) |
| 24 | 92037 | La Jolla | 60 | C | 0 |
| 25 | 92103 | San Diego | 60 | C | 13 (4 health) |
| 26 | 92106 | San Diego | 60 | C | 13 (4 health) |
| 27 | 92107 | San Diego | 60 | C | 13 (4 health) |
| 28 | 92112 | San Diego | 60 | C | 13 (4 health) |
| 29 | 92132 | San Diego | 60 | C | 13 (4 health) |
| 30 | 92133 | San Diego | 60 | C | 13 (4 health) |
| 31 | 92134 | San Diego | 60 | C | 13 (4 health) |
| 32 | 92135 | San Diego | 60 | C | 13 (4 health) |
| 33 | 92138 | San Diego | 60 | C | 13 (4 health) |
| 34 | 92140 | San Diego | 60 | C | 13 (4 health) |
| 35 | 92142 | San Diego | 60 | C | 13 (4 health) |
| 36 | 92147 | San Diego | 60 | C | 13 (4 health) |
| 37 | 92149 | San Diego | 60 | C | 13 (4 health) |
| 38 | 92150 | San Diego | 60 | C | 13 (4 health) |
| 39 | 92152 | San Diego | 60 | C | 13 (4 health) |
| 40 | 92153 | San Diego | 60 | C | 13 (4 health) |
| 41 | 92155 | San Diego | 60 | C | 13 (4 health) |
| 42 | 92158 | San Diego | 60 | C | 13 (4 health) |
| 43 | 92159 | San Diego | 60 | C | 13 (4 health) |
| 44 | 92160 | San Diego | 60 | C | 13 (4 health) |
| 45 | 92161 | San Diego | 60 | C | 13 (4 health) |
| 46 | 92163 | San Diego | 60 | C | 13 (4 health) |
| 47 | 92164 | San Diego | 60 | C | 13 (4 health) |
| 48 | 92165 | San Diego | 60 | C | 13 (4 health) |
| 49 | 92166 | San Diego | 60 | C | 13 (4 health) |
| 50 | 92167 | San Diego | 60 | C | 13 (4 health) |
Overview
California's 50th District encompasses 74 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is C (64/100).
841 EPA violations have been recorded across this district's water systems. 248 are health-based violations. About 82% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Consumer Confidence Report Rule - 449 violations
- Stage 2 DBP Rule - 116 violations
- Total Coliform - 112 violations
- Nickel - 96 violations
- Stage 1 DBP Rule - 60 violations
Housing Context
Homes in this district were built on average around 1981 (~45 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 74 ZIP codes in California's 50th District.