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 systemServesSourceViolationsWhat kind
Sunny Road Water System 34 Groundwater 39 37 over limit
El Monte-City, Water Dept. 22,968 Groundwater 0 none on record
San Gabriel Valley Family Center 50 Groundwater 0 none on record