Water Systems

Water SystemService AreaPeople ServedContaminants detected
Moulton Niguel Water District
Orange County, CA
170,236
12
Suburban Water Systems-San Jose
Los Angeles County, CA
168,843
32
Santa Margarita Water District
Orange County, CA
164,604
18
Elsinore Valley Mwd
Riverside County, CA
160,093
36
City Of Hayward
Hayward, CA
159,293
8
Corona, City Of
Corona, CA
157,136
38
City Of Sunnyvale
Sunnyvale, CA
155,567
25
Bakersfield, City Of
Bakersfield, CA
154,324
49
California Water Service Co. - Ela
Los Angeles County, CA
151,902
43
Pomona - City, Water Dept.
Pomona, CA
151,713
40