Drinking Water Systems Reported for ZIP 98027
Issaquah, Washington — 4 water systems are associated with this ZIP in EPA service-area data
Largest Reported System
TIGER MTN TRACTS
PWSID: WA5388315
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
ALPINE MOBILE MANOR
45 served7 historical records2 recent
B
ISSAQUAH WATER SYSTEM
43,584 served172 historical records
A
ISSAQUAH VALLEY WATER ASSN #1
80 served22 historical records1 recent
B