Drinking Water Systems Reported for ZIP 93420
ARROYO GRANDE, California — 11 water systems are associated with this ZIP in EPA service-area data
Largest Reported System
CITY OF ARROYO GRANDE UTILITIES DIVISION
PWSID: CA4010001
1 EPA violation record in the five-year period ending June 30, 2026
B
Few non-health records
TapScore compliance-history grade
Other Systems Reported for This ZIP
VARIAN RANCH MUTUAL WATER
105 served0 historical records
A
RANCHO NIPOMO WATER COMPANY
44 served0 historical records
A
H2O, INC
70 served2 historical records
A
MESA DUNES MOBILE HOME ESTATES
600 served2 historical records
A
LAGUNA NEGRA MUTUAL WATER CO.
80 served2 historical records
A
HALCYON WATER SYSTEM
110 served21 historical records
A
KEN MAR GARDENS
84 served19 historical records
A
TERRA DE ORO WATER COMPANY
38 served0 historical records
A
WOODLAND PARK MUTUAL WATER CO
538 served4 historical records
A
CANYON CREST MUTUAL BENEFIT WC
133 served0 historical records
A