Drinking Water Systems in PLEASANTON, California

4 water systems are reported for this city, with a combined service population of 176,289. The systems have 0 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving PLEASANTON

CASTLEWOOD DOMESTIC WATER SYSTEM

524 served3 historical records
A

SAHARA MOBILE COURT

300 served2 historical records
A

DUBLIN SAN RAMON SERVICES DISTRICT

98,776 served1 historical record
A

CITY OF PLEASANTON

76,689 served1 historical record
A

EPA Contaminant Categories in Historical Violation Records

Gross Alpha4 records
Coliform (TCR)1 record

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