Drinking Water Systems Reported for ZIP 99353
West Richland, Washington — 4 water systems are associated with this ZIP in EPA service-area data
Largest Reported System
PATERSON HEIGHTS WATER ASSN
PWSID: WA5366479
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
Plymouth Water District
288 served219 historical records22 recent
C
WEST RICHLAND CITY OF
21,231 served23 historical records
A
COLUMBIA VIEW WATER SYSTEM
500 served113 historical records1 recent
B