Drinking Water Systems in LAKE ISABELLA, California
7 water systems are reported for this city, with a combined service population of 594. The systems have 18 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving LAKE ISABELLA
CYPRESS CANYON WATER SYSTEM
44 served34 historical records3 recent
D
FOURTH STREET WATER SYSTEM
56 served14 historical records
A
KERN VALLEY MUTUAL WATER COMPANY
132 served6 historical records2 recent
B
KERNVALE MUTUAL WATER CO
75 served22 historical records
A
OAK KNOLLS MUTUAL WATER COMPANY
123 served14 historical records
A
HUNGRY GULCH MWC
74 served51 historical records12 recent
F
CLARK STREET COMMUNITY WELL
90 served10 historical records1 recent
B
EPA Contaminant Categories in Historical Violation Records
Arsenic69 records
Coliform (TCR)12 records
Consumer Confidence Rule10 records
Gross Alpha6 records
Lead and Copper Rule5 records
Nitrate4 records
Revised Total Coliform Rule3 records
LEAD AND COPPER RULE REVISIONS2 records
Beryllium, Total1 record
Vinyl Chloride1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.