Drinking Water Systems in SAN FRANCISCO, California

4 water systems are reported for this city, with a combined service population of 3,643. The systems have 6 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving SAN FRANCISCO

SUNRISE MOBILEHOME PARK

37 served5 historical records
A

PRESIDIO OF SAN FRANCISCO

3,500 served2 historical records
A

SONOMA COUNTY MUTUAL WATER COMPANY

40 served84 historical records
A

SIX ACRES WATER COMPANY

66 served51 historical records6 recent
F

EPA Contaminant Categories in Historical Violation Records

Surface Water Treatment Rule59 records
Groundwater Rule7 records
Gross Alpha6 records
Nitrate2 records
2,4-D1 record
Nitrite1 record
1,2,4-Trichlorobenzene1 record
Vinyl Chloride1 record
o-Dichlorobenzene1 record
1,1-Dichloroethylene1 record

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