Drinking Water Systems in ST. HELENA, California
4 water systems are reported for this city, with a combined service population of 6,328. The systems have 4 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving ST. HELENA
ST. HELENA, CITY OF
5,386 served4 historical records3 recent
D
VAILIMA ESTATES MUTUAL WATER
25 served9 historical records1 recent
B
SPINDRIFT MARINA
100 served26 historical records
A
ADVENTIST HEALTH - ST. HELENA HOSPITAL
817 served2 historical records
A
EPA Contaminant Categories in Historical Violation Records
Coliform (TCR)7 records
Gross Alpha4 records
Haloacetic Acids (HAA5)3 records
Lead and Copper Rule1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.