Drinking Water Systems Reported for ZIP 99371
Washtucna, Washington — 3 water systems are associated with this ZIP in EPA service-area data
Largest Reported System
ST JOHN TOWN OF
PWSID: WA5375300
8 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
WASHTUCNA WATER DEPARTMENT
250 served78 historical records15 recent
C
Richview
120 served0 historical records
A