Drinking Water Systems Reported for ZIP 97838
HERMISTON, Oregon — 8 water systems are associated with this ZIP in EPA service-area data
Largest Reported System
HERMISTON, CITY OF
PWSID: OR4100372
6 EPA violation records in the five-year period ending June 30, 2026
C
Some recent records
TapScore compliance-history grade
Other Systems Reported for This ZIP
NORTH HILL WATER CORPORATION
100 served175 historical records12 recent
D
CHARLES TRACTS WATER COMPANY
290 served361 historical records11 recent
C
HAT ROCK WATER COMPANY
150 served112 historical records4 recent
C
CHART SUBDIVISION
125 served132 historical records2 recent
B
VISTA HOME PARK
300 served32 historical records3 recent
C
BLACK MOUNTAIN WATER DISTRICT
43 served109 historical records4 recent
C
SHADY REST MOBILE COURT
110 served18 historical records2 recent
B