Utilities in Washington
9,956 systems (SDWIS/Fed snapshot). Search or browse pages — open any row for PFAS monitoring, violation counts, and filter recommendations.
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Il Caffe Rifugio Water System
WA5356799 · 54 served
ILLAHEE OYEHUT
WA5335450 · 971 served
ILLAHEE STATE PARK
WA53SP335 · 945 served
ILLAHEE WATER
WA5307372 · 14 served
ILWACO WATER DEPARTMENT CITY OF
WA5335500 · 2,757 served
INABA FARMS/PEPPERFIELD VILLAGE
WA5307402 · 40 served
inactive Lakebay Community Church
WA53AC388 · 25 served
INCHELIUM COMMUNITY
WA53IH355 · 25 served
INCHELIUM SCHOOL
WA53IH360 · 25 served
Inchelium Sub-Agency
105300035 · 128 served
INCHELIUM SUB-AGENCY
WA53IH362 · 49 served
Inchelium Townsite
105300005 · 210 served
INCHELIUM WATER DISTRICT
WA5335550 · 540 served
INCHELIUM WATER SYSTEM
WA5335530 · 160 served
INDEPENDENT WATER CO., INC.
WA5300842 · 90 served
INDEX WATER DEPT
WA5335600 · 420 served
INDIAN CAMP - BUCKHORN MT ORCHARD
WA5307334 · 43 served
INDIAN CAMPGROUND
WA53FS390 · 25 served
INDIAN CREEK - NACHES RD
WA53FS394 · 91 served
INDIAN CREEK CAMP AND RV PARK
WA5335633 · 32 served
INDIAN CREEK WATER SUPT
WA5335635 · 25 served
INDIAN FLAT/NACHES RANGER DIST
WA53FS398 · 29 served
INDIAN HILLS ESTATES
WA5301966 · 282 served
INDIAN JOHN E B REST AREA
WA53HD330 · 6,705 served
INDIAN JOHN REST AREA (EB/WB)
WA53HD331 · 5,718 served
INDIAN RIDGE 1
WA5308092 · 5 served
INDIAN RIDGE 2
WA5308089 · 5 served
INDIAN RIDGE 3
WA5308088 · 5 served
INDIAN RIDGE CORRECTIONAL FACILITY
WA5335641 · 1 served
INDIAN RIDGE WATER ASSOCIATION
WA5335639 · 216 served
INDIAN RIDGE WATER COMPANY
WA5335640 · 120 served
INDIAN SPRINGS WATER COMPANY
WA5354686 · 1,265 served
INDIAN VILLAGE ESTATES WATER ASSN
WA5312028 · 90 served
INDIAN YOUTH CAMP
WA5337784 · 25 served
INDIANOLA
105300085 · 78 served
INDIANOLA WATER
WA5335650 · 1,705 served
Industrial Development Complex
WA5392023 · 52 served
INFRA PACIFIC WATER SYSTEM
WA5307087 · 110 served
Ingalls Creek Enrichment Center
WA53AC915 · 36 served
INGALLS CREEK LODGE
WA5335690 · 1 served
INGLEWOOD PARK WATER CO.
WA5335700 · 145 served
INGREDION INCORPORATED
WA53AA251 · 35 served
INLAND EMPIRE COLD STORAGE-USD
WA5335717 · 25 served
INLAND HEIGHTS - 2-CAROL
WA5307854 · 8 served
INLAND HEIGHTS - 3 KEN
WA5307853 · 18 served
INLAND HEIGHTS 1-ED
WA5307774 · 8 served
Inland Tarp & Cover
WA53AB186 · 76 served
INLET HEIGHTS
WA5302149 · 40 served
INLETS END
WA5306705 · 45 served
INN AT TATOOSH MEADOWS
WA5326031 · 2 served