Los Angeles County Water Violations
Los Angeles County in California has 48 active public water systems. Together, these systems have 29 health-based violations on record out of 202 total. Health-based violations indicate a contaminant exceeded EPA limits or required treatment was not performed.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Signal Hill - City, Water Dept. | 11,848 | Surface Water Purchased | 13 | 11 |
| Los Angeles-City, Dept. of Water & Power | 3,875,566 | Surface Water | 16 | 8 |
| Downey - City, Water Dept. | 108,816 | Groundwater | 5 | 4 |
| La Verne, City Wd | 31,334 | Surface Water Purchased | 2 | 2 |
| Monterey Park-City, Water Dept. | 62,183 | Groundwater | 2 | 1 |
| Lomita-City, Water Dept. | 20,256 | Surface Water Purchased | 2 | 1 |
| Los Angeles, City of - Power Plant #2 | 44 | Surface Water | 1 | 1 |
| Los Angeles, City of - Power Plant #1 | 29 | Surface Water | 1 | 1 |
| South Gate-City, Water Dept. | 76,443 | Surface Water Purchased | 65 | 0 |
| Burbank-City, Water Dept. | 105,603 | Surface Water Purchased | 24 | 0 |
| San Gabriel Valley Water Co-Montebello 2 | 7,330 | Surface Water Purchased | 15 | 0 |
| Beverly Hills-City, Water Dept. | 40,121 | Surface Water Purchased | 10 | 0 |
| City of Arcadia | 51,361 | Groundwater | 6 | 0 |
| Lynwood-City, Water Dept. | 66,967 | Surface Water Purchased | 5 | 0 |
| Pico Rivera - City, Water Dept. | 40,600 | Groundwater | 5 | 0 |
| Inglewood - City, Water Dept. | 80,824 | Surface Water Purchased | 4 | 0 |
| Compton-City, Water Dept. | 74,877 | Surface Water Purchased | 4 | 0 |
| Hawthorne-City Water Dept. | 44,718 | Surface Water Purchased | 4 | 0 |
| Monrovia-City, Water Dept. | 37,931 | Groundwater | 4 | 0 |
| Long Beach Utilities Department | 466,772 | Surface Water Purchased | 3 | 0 |
| Glendora-City, Water Dept. | 49,934 | Surface Water Purchased | 3 | 0 |
| City of Bell Gardens | 11,437 | Surface Water Purchased | 3 | 0 |
| Santa Fe Springs - City, Water Dept. | 19,219 | Surface Water Purchased | 2 | 0 |
| El Segundo-City, Water Dept. | 16,445 | Surface Water Purchased | 2 | 0 |
| Paramount - City, Water Dept. | 55,200 | Surface Water Purchased | 1 | 0 |
| Glendale-City, Water Dept. | 188,784 | Surface Water Purchased | 0 | 0 |
| Pasadena Water and Power | 164,344 | Surface Water Purchased | 0 | 0 |
| Pomona - City, Water Dept. | 151,713 | Surface Water | 0 | 0 |
| Torrance-City, Water Dept. | 106,183 | Surface Water Purchased | 0 | 0 |
| Santa Monica-City, Water Division | 89,947 | Surface Water Purchased | 0 | 0 |
| City of Alhambra | 79,776 | Surface Water Purchased | 0 | 0 |
| Lakewood - City, Water Dept. | 66,135 | Groundwater | 0 | 0 |
| Whittier-City, Water Dept. | 49,954 | Groundwater | 0 | 0 |
| Cerritos - City, Water Dept. | 47,475 | Surface Water Purchased | 0 | 0 |
| Gswc - Culver City | 38,213 | Surface Water Purchased | 0 | 0 |
| Covina-City, Water Dept. | 33,300 | Surface Water Purchased | 0 | 0 |
| Manhattan Beach-City, Water Dept. | 32,697 | Surface Water Purchased | 0 | 0 |
| Vernon-City, Water Dept. | 28,112 | Surface Water Purchased | 0 | 0 |
| City of South Pasadena | 25,329 | Surface Water Purchased | 0 | 0 |
| San Fernando-City, Water Dept. | 23,946 | Groundwater | 0 | 0 |
| El Monte-City, Water Dept. | 22,968 | Groundwater | 0 | 0 |
| Norwalk - City, Water Dept. | 20,283 | Surface Water Purchased | 0 | 0 |
| Huntington Park-City, Water Dept. | 15,437 | Surface Water Purchased | 0 | 0 |
| Sierra Madre-City, Water Dept. | 11,000 | Surface Water Purchased | 0 | 0 |
| City of Industry Waterworks Systems | 6,158 | Groundwater | 0 | 0 |
| Commerce-City, Water Dept. | 4,205 | Surface Water Purchased | 0 | 0 |
| Lancaster National Soccer Center | 500 | Groundwater | 0 | 0 |
| Plant Water Well - Rockview Dairy | 45 | Groundwater | 0 | 0 |