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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OLYMPIC VIEW ASSEMBLY OF GOD
WA5363498 · 50 served
OLYMPIC VIEW COMMUNITY LLC
WA5363497 · 175 served
OLYMPIC VIEW ESTATES
WA5342421 · 33 served
OLYMPIC VIEW MOBILE PARK
WA5319110 · 34 served
OLYMPIC VIEW WATER & SEWER DISTRICT
WA5363600 · 16,403 served
OLYMPIC VIEW WATER ASSOC
WA5363650 · 41 served
OLYMPIC VILLAGE WATER SYSTEM
WA5363652 · 60 served
OLYMPIC VISTA CLUB COMMUNITY WATER
WA5363655 · 41 served
OLYMPIC WATER & SEWER INC
WA5368700 · 3,086 served
OLYMPIC WATER SYSTEM
WA5391460 · 75 served
OLYMPUS BEACH TRACTS
WA5363700 · 143 served
OMAK CITY OF
WA5363750 · 4,940 served
OMAK HUD
105300008 · 380 served
OMAK HUD TRAILER COURT
WA53IH579 · 400 served
Omak OMK City of
WA53AD864 · 31 served
OMICRON INVESTMENT COMPANY
WA5305244 · 25 served
ONALASKA WATER DIST
WA5363900 · 25 served
ONAMAC WATER SYSTEM
WA5363907 · 177 served
ONE POINT FOSDICK WATER COMPANY
WA5335357 · 165 served
ONECHO BIBLE CHURCH
WA5363917 · 49 served
ONEILL STEEL FABRICATION INC
WA53AA052 · 3 served
ONION CREEK SCHOOL DISTRICT
WA5305582 · 55 served
OPALCO LOPEZ WATER SYSTEM
WA5308484 · 1 served
OPEN DOOR FELLOWSHIP CHURCH
WA5331934 · 45 served
Operating Engineers Rgnl Training
WA53AC478 · 50 served
OPERATION CENTER WATER SYSTEM
WA5349636 · 65 served
OPR H2A
WA53AE120 · 100 served
ORCA COUNCIL OF CAMP FIRE
WA5363710 · 33 served
ORCA POINT WATER SYSTEM
WA5307387 · 2 served
ORCAS HIGHLANDS
WA5313301 · 260 served
ORCAS ISLAND FOUNDATION CAMP
WA5363985 · 31 served
ORCAS ISLAND GOLF ESTATES
WA5328460 · 57 served
ORCAS ISLAND GRANGE
WA5363988 · 46 served
ORCAS LANDING INC
WA5363990 · 1,007 served
ORCHARD AVENUE IRRIGATION DIST 6
WA5364000 · 4,330 served
ORCHARD BEACH
WA5364026 · 56 served
ORCHARD BEACH COMMUNITY
WA5364031 · 64 served
ORCHARD BEACH COMMUNITY
WA5349750 · 25 served
ORCHARD BEACH COMMUNITY
WA5364030 · 90 served
ORCHARD GROVE
WA5364070 · 86 served
ORCHARD HOMES WATER SYSTEM
WA5364080 · 31 served
ORCHARD PRAIRIE ELEM SCHOOL #123
WA5364105 · 70 served
ORCHARD PT NAVAL DEPOT
WA5364100 · 55 served
ORCHARD WATER ASSOC
WA5364150 · 165 served
ORCHARDS AT CRESCENT BAR
WA5302717 · 60 served
ORIENT WATER COMPANY
WA5364300 · 167 served
ORIOLE CG - TONASKET RD
WA53FS720 · 10 served
ORMBREK B AND B
WA5307830 · 6 served
ORO BEACH RV RESORT
WA5306475 · 17 served
Orondo Cider Works
WA53AD618 · 172 served