Water Quality: San Diego, CA
5 water systems • 1,422,927 people served
Multiple Health Violations73
Total Violations
16
Health-Based Violations
5
Water Systems
1,422,927
Population Served
Water Quality Summary
San Diego has 16 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: E. coli, Fecal Coliform, Stage 2 DBP. In total, 73 violations are on record for 5 water systems serving 1,422,927 people.
Contaminants Found
E. coli
Fecal Coliform
Stage 2 DBP
Water Systems Serving San Diego
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| SAN DIEGO, CITY OF | CA3710020 | Surface Water | 1,385,379 | 36 |
| NAS NORTH ISLAND & NAB CORONADO | CA3710750 | Surface Water | 36,990 | 0 |
| BUTTERFIELD RANCH | CA3701184 | Groundwater | 353 | 34 |
| COTTONWOOD RIDGE MANUFACTURED HOUSING CO | CA4500107 | Groundwater | 205 | 2 |
| SAN DIEGO COUNTY WATER AUTHORITY | CA3710042 | Surface Water | 0 | 1 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.