Drinking Water Systems in EL MONTE, California
8 water systems are reported for this city, with a combined service population of 289,546. The systems have 2 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving EL MONTE
HEMLOCK MUTUAL WATER CO.
686 served30 historical records2 recent
B
STERLING MUTUAL WATER COMPANY
198 served2 historical records
A
EL MONTE-CITY, WATER DEPT.
22,968 served5 historical records
A
DEL RIO MUTUAL
700 served5 historical records
A
SAN GABRIEL VALLEY WATER CO-MONTEBELLO 1
9,630 served4 historical records
A
SAN GABRIEL VALLEY WATER CO-MONTEBELLO 2
7,330 served3 historical records
A
SAN GABRIEL VALLEY WATER CO.-EL MONTE
248,000 served5 historical records
A
SUNNY ROAD WATER SYSTEM
34 served1 historical record
A
EPA Contaminant Categories in Historical Violation Records
Chlorine20 records
Coliform (TCR)10 records
Revised Total Coliform Rule3 records
Lead and Copper Rule2 records
Public Notice2 records
Gross Alpha2 records
Total Trihalomethanes (TTHMs)2 records
Groundwater Rule2 records
Total Coliform1 record
Haloacetic Acids (HAA5)1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.