Drinking Water Systems Reported for ZIP 99362
Walla Walla, Washington — 15 water systems are associated with this ZIP in EPA service-area data
Largest Reported System
PRESCOTT TOWN OF
PWSID: WA5369250
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
PROSPECT HEIGHTS COMM WATER ASSN
40 served145 historical records40 recent
C
SUMMERS CIRCLE WATER LLC
82 served17 historical records
A
DIXIE WATER ASSOCIATION
240 served52 historical records21 recent
D
WALLA WALLA UNIVERSITY
1,273 served30 historical records3 recent
C
VALLE LINDO HOMES
787 served15 historical records
A
WALLA WALLA WATER DIVISION
42,959 served83 historical records11 recent
C
BLALOCK ORCHARDS DIST 12
193 served8 historical records
A
SYDNEY HEIGHTS WATER ASSN
130 served43 historical records11 recent
C
RESER CREEK WATER SYSTEM
26 served8 historical records
A
CONSOLIDATED IRRIGATION DIST 14
1,555 served23 historical records
A
BLALOCK ORCHARD DIST 10
250 served31 historical records1 recent
B
GREEN TANK IRR DISTRICT 11
553 served247 historical records
A
HYDRO IRRIGATION DISTRICT NO 9
260 served4 historical records
A
KOOSKOOSKIE CABIN OWNERS INC.
45 served253 historical records30 recent
C