Orange County, California
19 active water systems in this county.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| City of Fullerton | 139,461 | Surface Water Purchased | 2 | 2 |
| Midway City Mutual Wc | 1,305 | Groundwater | 8 | 1 |
| City of Anaheim | 348,593 | Surface Water | 10 | 0 |
| Santa Margarita Water District-id9 | 39,684 | Surface Water Purchased | 8 | 0 |
| City of Santa Ana | 310,539 | Surface Water Purchased | 7 | 0 |
| City of Tustin | 66,600 | Surface Water Purchased | 6 | 0 |
| City of Seal Beach | 24,937 | Surface Water Purchased | 4 | 0 |
| City of Orange | 120,770 | Surface Water Purchased | 3 | 0 |
| City of Fountain Valley | 56,747 | Surface Water Purchased | 2 | 0 |
| City of La Palma | 15,948 | Surface Water Purchased | 2 | 0 |
| City of Buena Park | 81,998 | Surface Water Purchased | 1 | 0 |
| City of San Clemente | 51,545 | Surface Water Purchased | 1 | 0 |
| City of Huntington Beach | 201,000 | Surface Water Purchased | 0 | 0 |
| City of Garden Grove | 174,226 | Surface Water Purchased | 0 | 0 |
| City of Westminster | 90,911 | Surface Water Purchased | 0 | 0 |
| City of Newport Beach | 68,572 | Surface Water Purchased | 0 | 0 |
| City of La Habra | 63,118 | Surface Water Purchased | 0 | 0 |
| City of Brea | 48,479 | Surface Water Purchased | 0 | 0 |
| South Midway City Mutual Water Co. | 891 | Groundwater | 0 | 0 |