Drinking Water Systems Reported for ZIP 91101
PASADENA, California — 1 water system is associated with this ZIP in EPA service-area data
Largest Reported System
LAKE MORENA VIEWS MWC
PWSID: CA3700924
11 EPA violation records in the five-year period ending June 30, 2026
F
Frequent health-based records
TapScore compliance-history grade