San Juan County, Washington Water Systems

San Juan County, Washington

55 community water systems on record — 41 active, 14 inactive.

Every active community water system nationwide must produce a Consumer Confidence Report under the EPA's revised rule, effective for reports due July 1, 2027.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Washington’s official records. Always confirm current status with Washington before making decisions based on this information.

Community water systems in San Juan County, Washington

System name	City	Population served	Status
ALECK BAY PARK WATER SYSTEM	Lopez Island	40	Active
BUCHANAN PLACE WATER SYSTEM	FRIDAY HARBOR	60	Inactive
CAPE SAN JUAN WATER DISTRICT	Friday Harbor	164	Active
CAREFREE WATER SYSTEM	FRIDAY HARBOR	5	Inactive
CATTLE POINT WATER DISTRICT	FRIDAY HARBOR	63	Active
CAYOU VALLEY HOMEOWNERS ASSOC	Eastsound	31	Active
Common Field Water System	Lopez Island	36	Active
CORMORANT BAY	ORCAS ISLAND	25	Inactive
DOE BAY WATER USERS ASSOC	Eastsound	442	Active
E.L.C. WATER SYSTEM	Eastsound	36	Active
EAGLE COVE ESTATES I	FRIDAY HARBOR	25	Inactive
EAGLE COVE WATER ASSOCIATION	Friday Harbor	65	Active
EASTSOUND WATER USERS ASSOCIATION	Eastsound	3,711	Active
FAIRWAY NUMBER THREE WATER	Friday Harbor	39	Active
FISHERMAN BAY WATER ASSOCIATION	Lopez Island	1,195	Active
FRIDAY HARBOR TOWN OF	Friday Harbor	3,543	Active
HANNAH HEIGHTS #2 WATER USERS ASSN	Friday Harbor	44	Active
HANNAH HEIGHTS OWNERS ASSOCIATION	Friday Harbor	66	Active
HARBOR ON FISHERMAN BAY	Lopez Island	84	Active
HAVEN MAC KAYE SUBDIVISION	LOPEZ	25	Inactive
HUMPHREY HEAD OWNERS ASSOC	Lopez Island	37	Active
LIMESTONE POINT WATER COMPANY INC	Friday Harbor	81	Active
MacKaye Harbor Water District	Lopez Island	133	Active
MARLO INC	EASTSOUND	25	Inactive
Milagra Water System	Lopez Island	31	Active
MINERAL HEIGHTS ASSOCIATION	Friday Harbor	46	Active
MITCHELL POINT WATER ASSN	Friday Harbor	81	Active
MT LAKE WATER SUPPLY	OLYMPIA	25	Inactive
NORTH FORTY PROPERTY OWNERS ASSN	Friday Harbor	27	Active
NORTH LOPEZ SERVICE	Lopez Island	114	Active
OAKS THE MOBILE HOME PARK	Friday Harbor	143	Active
OBSTRUCTION PASS	ORCAS ISLAND	25	Inactive
OLGA WATER USERS INC	Mount Vernon	392	Active
ORCAS HIGHLANDS	Tacoma	260	Active
ORCAS ISLAND GOLF ESTATES	Eastsound	57	Active
PANARAMA HEIGHTS	FRIDAY HARBOR	25	Inactive
PORTLAND FAIR ESTATES	Friday Harbor	130	Active
RACCOON POINT WATER SYSTEM	Eastsound	81	Active
RIDGEDALE RANCH WATER SYSTEM	SEATTLE	45	Inactive
ROCHE HARBOR WATER SYSTEM INC	Friday Harbor	2,091	Active
ROSARIO	Tacoma	1,031	Active
Salish Sea Water System	Lopez Island	26	Active
SAN JUAN FAIRWAYS OWNERS ASSN	Friday Harbor	40	Active
SAN JUAN NAVAGATION	EASTSOUND	25	Inactive
SAN JUAN RANCHOS	Friday Harbor	35	Active
SHOAL BAY & SWIFT BAY WATER ASSN.	Lopez Island	35	Active
SMUGGLERS COVE WATER SYSTEM	Friday Harbor	27	Active
SPRING POINT HOMEOWNERS ASSOCIATION	Deer Harbor	85	Active
SUNRISE BEACH ASSOCIATION	Lopez Island	27	Active
SUNSET POINT	FRIDAY HARBOR	30	Inactive
SUNSET RANCH OWNERS ASSOC	Eastsound	76	Active
UNIVERSITY HEIGHTS	Friday Harbor	76	Active
VIEW HAVEN ESTATES COMM. CLUB	EASTSOUND	56	Inactive
WEST SOUND WATER ASSOCIATION	Eastsound	206	Active
WESTSIDE STORY WATER	FRIDAY HARBOR	3	Inactive