Water Systems Serving Zip Code 91731
Not sure which system is yours? Most residents in ZIP 91731 are likely served by El Monte-City, Water Dept. (population served: 22,968). Check your water bill for your provider name if you're unsure.
Direct EPA ZIP Matches
3 active water systems have this ZIP in EPA records.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Sunny Road Water System | 34 | Groundwater | 51 | 49 |
| El Monte-City, Water Dept. | 22,968 | Groundwater | 0 | 0 |
| San Gabriel Valley Family Center | 50 | Groundwater | 0 | 0 |