Water Systems Serving Zip Code 91770
Not sure which system is yours? Most residents in ZIP 91770 are likely served by Cal American Water Co (population served: 66,809). Check your water bill for your provider name if you're unsure.
Direct EPA ZIP Matches
16 active water systems have this ZIP in EPA records.
| Water system | Serves | Source | Violations | What kind |
|---|---|---|---|---|
| Sce/Big Creek Powerhouse 1 | 104 | Surface Water | 9 | 1 over limit |
| Golden Sands Mobile Home Park | 450 | Groundwater | 2 | |
| Amarillo Mutual Water Company | 3,134 | Groundwater | 19 | |
| Cal American Water Co | 66,809 | Surface Water Purchased | 1 | |
| Cal/Am Water Company - San Marino | 47,995 | Surface Water Purchased | 1 | |
| Cal American Water Company - Piru | 2,003 | Groundwater | 1 | |
| Cal American Wc - Rio Plaza | 1,709 | Groundwater | 1 | |
| Sce Bishop Creek Plant 4 | 38 | Groundwater | 1 | |
| San Gabriel County Wd | 39,345 | Groundwater | 0 | none on record |
| Cal-Am Water Company - Duarte | 24,773 | Groundwater | 0 | none on record |
| Cal/Am Water Company - Baldwin Hills | 20,724 | Surface Water Purchased | 0 | none on record |
| Cal-Am Water Company - East Pasadena | 9,949 | Groundwater | 0 | none on record |
| Bellflower Municipal Water System | 5,999 | Surface Water Purchased | 0 | none on record |
| Cal American Wc - Las Posas Estates | 2,039 | Surface Water Purchased | 0 | none on record |
| Sce/Camp Edison-Shaver | 256 | Groundwater | 0 | none on record |
| Sce Bishop Creek Plant 5 | 43 | Groundwater | 0 | none on record |