Drinking Water Systems in MAMMOTH LAKES, California
3 water systems are reported for this city, with a combined service population of 8,979. The systems have 2 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving MAMMOTH LAKES
MOUNTAIN MEADOWS MWC
505 served24 historical records
A
MAMMOTH CWD
8,234 served6 historical records2 recent
B
PINE CREEK VILLAGE
240 served24 historical records
A
EPA Contaminant Categories in Historical Violation Records
Uranium7 records
Surface Water Treatment Rule2 records
Coliform (TCR)1 record
Total Trihalomethanes (TTHMs)1 record
Haloacetic Acids (HAA5)1 record
Nitrate1 record
Gross Alpha1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.