Drinking Water Systems Reported for ZIP 91761
ONTARIO, California — 3 water systems are associated with this ZIP in EPA service-area data
Largest Reported System
CHINO BASIN DESALTER AUTH. - DESALTER 1
PWSID: CA3610075
No EPA violation records in that five-year period
A
No recent records
TapScore compliance-history grade
Other Systems Reported for This ZIP
CHINO BASIN DESALTER AUTH. - DESALTER 2
0 served0 historical records
A
ONTARIO MUNICIPAL UTILITIES COMPANY
185,010 served1 historical record
A