Drinking Water Systems in SAN DIEGO, California

7 water systems are reported for this city, with a combined service population of 1,423,319. The systems have 10 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving SAN DIEGO

COTTONWOOD RIDGE MANUFACTURED HOUSING CO

205 served4 historical records
A

SAN DIEGO COUNTY WATER AUTHORITY

0 served0 historical records
A

SAN DIEGO, CITY OF

1,385,379 served6 historical records
A

PINE GROVE MOBILE HOME PARK

142 served1 historical record
A

NORTHCREST MOBILE HOME PARK

250 served8 historical records2 recent
B

NAS NORTH ISLAND & NAB CORONADO

36,990 served1 historical record
A

BUTTERFIELD RANCH

353 served26 historical records8 recent
D

EPA Contaminant Categories in Historical Violation Records

Coliform (TCR)9 records
Revised Total Coliform Rule8 records
Gross Alpha6 records
Consumer Confidence Rule5 records
Lead and Copper Rule4 records
Nitrate2 records
LEAD AND COPPER RULE REVISIONS2 records
Total Coliform2 records
Fluoride2 records

Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.