Water Systems Serving Zip Code 91905
Not sure which system is yours? Most residents in ZIP 91905 are likely served by La Posta Upper (population served: 73). Check your water bill for your provider name if you're unsure.
Direct EPA ZIP Matches
4 active water systems have this ZIP in EPA records.
| Water system | Serves | Source | Violations | What kind |
|---|---|---|---|---|
| La Posta Upper | 73 | Groundwater | 11 | 4 over limit |
| Calexico Lodge | 50 | Groundwater | 6 | |
| La Posta Lower Community | 60 | Groundwater | 2 | |
| Boulevard Koa Drinking Water | 50 | Groundwater | 1 |