California — 49th District
119th Congress · 33 ZIP codes · Avg score 85/100 · Grade A · Updated 2026-07-19
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-19
ZipCheckup tracks water safety for 33 ZIP codes in California's 49th District: the district earns a grade A (85/100). 14 EPA violations on record, 0 health-based.
Top Contaminants
ZIP Codes in This District
33 ZIP codes tracked in California's 49th District.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 92013 | Carlsbad | 99 | A | 0 |
| 2 | 92018 | Carlsbad | 99 | A | 0 |
| 3 | 92023 | Encinitas | 99 | A | 1 |
| 4 | 92055 | Camp Pendleton | 99 | A | 1 |
| 5 | 92085 | Vista | 99 | A | 0 |
| 6 | 92693 | San Juan Capistrano | 99 | A | 1 |
| 7 | 92010 | Carlsbad | 95 | A | 0 |
| 8 | 92011 | Carlsbad | 95 | A | 0 |
| 9 | 92081 | Vista | 95 | A | 0 |
| 10 | 92673 | San Clemente | 95 | A | 0 |
| 11 | 92674 | San Clemente | 95 | A | 0 |
| 12 | 92008 | Carlsbad | 90 | A | 0 |
| 13 | 92009 | Carlsbad | 90 | A | 0 |
| 14 | 92024 | Encinitas | 90 | A | 1 |
| 15 | 92083 | Vista | 90 | A | 0 |
| 16 | 92084 | Vista | 90 | A | 0 |
| 17 | 92675 | San Juan Capistrano | 90 | A | 1 |
| 18 | 92049 | Oceanside | 88 | A | 0 |
| 19 | 92051 | Oceanside | 88 | A | 0 |
| 20 | 92052 | Oceanside | 88 | A | 0 |
| 21 | 92672 | San Clemente | 85 | A | 0 |
| 22 | 92056 | Oceanside | 82 | B | 0 |
| 23 | 92057 | Oceanside | 82 | B | 0 |
| 24 | 92058 | Oceanside | 82 | B | 0 |
| 25 | 92629 | Dana Point | 78 | B | 9 |
| 26 | 92054 | Oceanside | 77 | B | 0 |
| 27 | 92068 | San Luis Rey | 66 | C | 0 |
| 28 | 92607 | Laguna Niguel | 66 | C | 0 |
| 29 | 92694 | Ladera Ranch | 66 | C | 0 |
| 30 | 92007 | Cardiff By The Sea | 65 | C | 0 |
| 31 | 92075 | Solana Beach | 65 | C | 0 |
| 32 | 92677 | Laguna Niguel | 65 | C | 0 |
| 33 | 92624 | Capistrano Beach | 60 | C | 0 |
Overview
California's 49th District encompasses 33 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is A (85/100).
14 EPA violations have been recorded across this district's water systems. None are health-based. About 18% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Lead - 6 violations
- Stage 1 DBP Rule - 4 violations
- Haloacetic Acids (HAA5) - 3 violations
- Consumer Confidence Report Rule - 1 violation
Housing Context
Homes in this district were built on average around 1983 (~43 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 33 ZIP codes in California's 49th District.