Drinking Water Systems Reported for ZIP 90755
SIGNAL HILL, California — 1 water system is associated with this ZIP in EPA service-area data
Largest Reported System
SIGNAL HILL - CITY, WATER DEPT.
PWSID: CA1910149
4 EPA violation records in the five-year period ending June 30, 2026
D
Several health-based records
TapScore compliance-history grade