Water Systems Serving Zip Code 90720
Not sure which system is yours? Most residents in ZIP 90720 are likely served by Irvine Ranch Water District (population served: 444,800). Check your water bill for your provider name if you're unsure.
Direct EPA ZIP Matches
1 active water systems have this ZIP in EPA records.
| Water system | Serves | Source | Violations | What kind |
|---|---|---|---|---|
| Los Alamitos Race Course | 1,600 | Groundwater | 4 |
Broader Los Alamitos, California Matches
EPA often omits served ZIP codes for large utilities. These systems are tied to Los Alamitos, California based on this ZIP code's city or county.
| Water system | Serves | Source | Violations | What kind |
|---|---|---|---|---|
| Irvine Ranch Water District | 444,800 | Surface Water | 1 | |
| City of Anaheim | 348,593 | Surface Water | 2 | |
| City of Santa Ana | 310,539 | Surface Water Purchased | 2 | |
| City of Huntington Beach | 201,000 | Surface Water Purchased | 0 | none on record |
| City of Garden Grove | 174,226 | Surface Water Purchased | 0 | none on record |
| Moulton Niguel Water District | 170,236 | Surface Water Purchased | 0 | none on record |
| Santa Margarita Water District | 168,289 | Surface Water Purchased | 0 | none on record |
| City of Fullerton | 139,461 | Surface Water Purchased | 1 | 1 over limit |
| City of Orange | 120,770 | Surface Water Purchased | 1 | |
| Golden State Wc - West Orange County | 114,379 | Surface Water Purchased | 0 | none on record |
| Mesa Water District | 110,000 | Surface Water Purchased | 2 | |
| City of Westminster | 90,911 | Surface Water Purchased | 0 | none on record |
| Yorba Linda Water District | 84,292 | Surface Water Purchased | 0 | none on record |
| City of Buena Park | 81,998 | Surface Water Purchased | 1 | |
| City of Newport Beach | 68,572 | Surface Water Purchased | 0 | none on record |
| City of Tustin | 66,600 | Surface Water Purchased | 3 | |
| City of La Habra | 63,118 | Surface Water Purchased | 0 | none on record |
| City of Fountain Valley | 56,747 | Surface Water Purchased | 2 | |
| El Toro Water District | 51,800 | Surface Water Purchased | 0 | none on record |
| City of San Clemente | 51,545 | Surface Water Purchased | 1 | |
| Golden State Wc - Placentia/Yorba Linda | 50,381 | Surface Water Purchased | 0 | none on record |
| City of Brea | 48,479 | Surface Water Purchased | 0 | none on record |
| South Coast Water District | 41,118 | Surface Water Purchased | 0 | none on record |
| Santa Margarita Water District-Id9 | 39,684 | Surface Water Purchased | 2 | |
| City of Seal Beach | 24,937 | Surface Water Purchased | 2 | |
| Laguna Beach County Wd | 18,404 | Surface Water Purchased | 1 | |
| City of La Palma | 15,948 | Surface Water Purchased | 2 | |
| Trabuco Canyon Water District | 13,659 | Surface Water Purchased | 1 | |
| Golden State Wc - Cowan Heights | 6,997 | Surface Water Purchased | 0 | none on record |
| Serrano Water District | 5,659 | Surface Water | 0 | none on record |
| Joint Regional Water Supply System | 3,947 | Surface Water Purchased | 0 | none on record |
| East Orange County Wd - Rz | 3,464 | Surface Water Purchased | 0 | none on record |
| Eastside Water Association | 2,000 | Groundwater | 2 | |
| Midway City Mutual Wc | 1,305 | Groundwater | 3 | |
| South Midway City Mutual Water Co. | 891 | Groundwater | 0 | none on record |
| Hynes Estates Mutual Water Co. | 168 | Groundwater | 5 | |
| Page Avenue Mutual Water Company | 119 | Surface Water Purchased | 5 | 1 over limit |
| Liberty Park Water Association | 85 | Groundwater | 11 | 2 over limit |
| San Juan Basin Authority | 0 | Groundwater | 2 | |
| East Orange County Wd - Wz | 0 | Surface Water Purchased | 0 | none on record |
| Knott S Berry Farm | 3,000 | Surface Water Purchased | 0 | none on record |
| Smwd-Nichols Institute | 1,600 | Surface Water Purchased | 1 | 1 over limit |
| Canyon RV Park | 294 | Groundwater | 0 | none on record |
| Caspers Regional Wilderness Park | 215 | Groundwater | 2 | |
| Lazy W Ranch Water System | 63 | Groundwater | 0 | none on record |