Snohomish County, Washington Water Systems

Snohomish County, Washington

207 community water systems on record — 119 active, 88 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 August 1, 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 Snohomish County, Washington

System name	Mailing city	Population served	Status
ALDERWOOD WATER DISTRICT	Lynnwood	245,715	Active
EVERETT PUBLIC WORKS DEPT. CITY OF	Everett	215,774	Active
MARYSVILLE UTILITIES	Marysville	88,582	Active
LYNNWOOD CITY OF	Lynnwood	68,204	Active
SNO PUD 1 - LAKE STEVENS	Everett	67,710	Active
SILVER LAKE WATER & SEWER DISTRICT	Bothell	65,033	Active
EDMONDS CITY OF	Edmonds	34,065	Active
Mukilteo Water & Wastewater Distr	Mukilteo	31,437	Active
ARLINGTON CITY OF	Arlington	29,508	Active
MOUNTLAKE TERRACE CITY OF	Mountlake Terrace	26,402	Active
CROSS VALLEY WATER DISTRICT	Snohomish	24,695	Active
MONROE WATER SYSTEM	Monroe	23,467	Active
OLYMPIC VIEW WATER & SEWER DISTRICT	Edmonds	17,784	Active
STANWOOD WATER DEPT CITY OF	Stanwood	17,586	Active
SNOHOMISH CITY OF	Snohomish	16,367	Active
SULTAN WATER DEPARTMENT	Sultan	8,424	Active
SEVEN LAKES WATER ASSOCIATION	Stanwood	5,823	Active
GRANITE FALLS CITY OF	Granite Falls	5,349	Active
ROOSEVELT WATER ASSOCIATION	Snohomish	3,530	Active
HIGHLAND WATER DISTRICT	Monroe	3,121	Active
SNO PUD 1 - WARM BEACH	Everett	2,977	Active
GOLD BAR CITY OF	Goldbar	2,745	Active
SNO PUD 1 - DUBUQUE	Everett	2,545	Inactive
WASHINGTON STATE REFORMATORY	MONROE	2,534	Inactive
Darrington Town of	Darrington	2,246	Active
THREE LAKES WATER ASSOCIATION	Snohomish	2,198	Active
SNO PUD 1 - MAY CREEK	Everett	1,374	Active
SNO PUD 1 - LAKE ROESIGER	Everett	1,197	Inactive
WARM BEACH CONFERENCE GROUNDS	Mt Vernon	1,190	Active
SKY MEADOW WATER ASSN	Snohomish	1,042	Inactive
SNO PUD 1 - KAYAK	Everett	1,037	Inactive
SNOHOMISH COUNTY PUD 1-DUTCH HILL	EVERETT	1,000	Inactive
SNO PUD 1 - STORM LAKE RIDGE	Everett	786	Active
SWANS TRAIL WATER DIST	SNOHOMISH	750	Inactive
WILDERNESS RIDGE COMMUNITY CLUB	Coupeville	664	Active
ISLAND CROSSING	ARLINGTON	650	Inactive
STARTUP WATER DISTRICT	Startup	643	Active
PRIEST POINT BEACH WATER INC	Arlington	624	Active
WANDERING CREEK	BOTHELL	600	Inactive
SNO PUD 1 - SUNDAY LAKE	Everett	561	Active
BLUE SPRUCE WATER DISTRICT	GRANITE FALLS	520	Inactive
LAKE ALYSON	Freeland	463	Active
WILKSHIRE LANE WATER DISTRICT INC	Arlington	460	Active
WANDERING CREEK HOMEOWNERS ASSOC	Bothell	457	Active
INDEX WATER DEPT	INDEX	420	Active
BIG BEND LANDOWNERS ASSOCIATION	Monroe	419	Active
SNO PUD 1 - SKYLITE TRACTS	Everett	415	Active
CEDAR LANE WATER ASSN	GRANITE FALLS	392	Inactive
TATOOSH WATER COMPANY	Mt Vernon	387	Active
SMITH ISLAND WATER USERS	MARYSVILLE	368	Inactive
HAT ISLAND COMMUNITY INC	Everett	348	Active
SULTAN ESTATES WATER SYSTEM	Lake Forest Park	340	Active
KACKMAN CREEK	Mt Vernon	330	Active
MACHIAS RIDGE HOMEOWNERS ASSOC.	Arlington	324	Active
KLA-HA-YA WATER SYSTEM	EVERETT	310	Inactive
CEDAR SPRINGS CAMP	Lake Stevens	308	Active
DEER CREEK PARK CORP	EDMONDS	300	Inactive
MCKEES BEACH ASSOC	Mt Vernon	290	Active
LEONARDS RESORT	STANWOOD	274	Inactive
CASCADE VISTA HOA	Port Orchard	260	Active
AQUA COPIA/HORSE COUNTRY ESTATES	SNOHOMISH	250	Active
EAGLE RIDGE	Arlington	250	Active
GENE'S DAIRY HUT	EVERETT	250	Inactive
MARBELLO	Port Orchard	245	Active
LOCHAVEN WATER	Arlington	225	Active
SCHLUTER WATER ASSOCIATION	Arlington	224	Active
JORDON MAINTENANCE COMPANY	ARLINGTON	218	Inactive
INDIAN RIDGE WATER ASSOCIATION	Cle Elum	216	Active
SNOHOMISH CNTY PUD #1 SUNDAY LAKE	EVERETT	215	Inactive
ROSELAND COMMUNITY CLUB ASSOCIATION	Arlington	210	Active
MOUNTAIN LOOP VIEW TRACTS	Lake Stevens	200	Active
THREE RIVERS MOBILE HOME CT	SNOHOMISH	183	Inactive
GETCHELL PARK WTR SYS	EVERETT	178	Inactive
MEADOW RIDGE	Coupeville	175	Active
MEADOW LAKE WATER ASSOCIATION	Arlington	171	Active
CIRCLE H MOBILE PARK	SNOHOMISH	170	Inactive
CRYSTAL LAKE INC	Woodinville	170	Active
WALLACE RIVER PARK	SEATTLE	167	Inactive
LAKESIDE SHORES IMPROVEMENT ASSOC.	ARLINGTON	166	Active
FOBES WATER DISTRICT	SNOHOMISH	156	Active
SILVANA WATER ASSOCIATION	Mt Vernon	153	Active
FRIAR CREEK WATER SYSTEM	Monroe	135	Active
NORTH RIDGE WATER CORP	Arlington	135	Active
KATHANN ESTATES WATER	Stanwood	134	Active
WOODLANE WATER SYSTEM	KIRKLAND	130	Inactive
SAM LAKE IMPROVEMENT ASSOCIATION	MARYSVILLE	128	Active
GREENWATER MEADOWS LANDOWNERS ASSN	Sultan	122	Active
SUNBEAM WATER ASSN.	OLYMPIA	122	Inactive
DARRINGTON RANGER STATION	DARRINGTON	120	Inactive
GETCHELL PARK COMMUNITY WATER	SEATTLE	120	Inactive
JOYWOOD WATER LINE INC	EVERETT	120	Inactive
MOBILE MANOR	SEATTLE	120	Inactive
STILLAGUAMISH COMMUNITY	ARLINGTON	120	Inactive
SMOKEY POINT MOBILE PARK	ARLINGTON	116	Inactive
AQUA HILLS MARYSVILLE	Port Orchard	113	Active
Skyview	Port Orchard	110	Active
PILCHUCK RIVIERA #2	Snohomish	107	Active
HERMOSA POINT WATER ASSOC	SNOHOMISH	105	Inactive
ARLINGTON TERRACE	Port Orchard	104	Active
ARLINGTON EAST MUTUAL WATER ASSN.	Arlington	100	Active
LOGANBERRY PARK	WOODINVILLE	100	Inactive
SNO PUD 1- CRESWELL	Everett	100	Active
NEW SKYVIEW COMMUNITY CLUB	SULTAN	99	Inactive
Northwest Water	Coupeville	99	Active
SUNSET RIDGE WATER ASSOCIATION	SNOHOMISH	99	Inactive
Northwest	Port Orchard	98	Active
LAKE KI SUNRISE ADDITION WATER	Arlington	96	Active
BLACKMANS LAKE WATER DISTRICT	—	93	Active
AIRWAY MOBILE HOME PARK	MARYSVILLE	90	Inactive
NEW START LANDOWNERS ASSOCIATION	Arlington	90	Active
ORCHARD BEACH COMMUNITY	STANWOOD	90	Inactive
PILCHUCK RIVIERA #1	Arlington	90	Active
WHITESIDE HOMEOWNERS ASSOCIATION	Mt Vernon	90	Active
MOUNTAIN VIEW TERRACE WATER INC	Snohomish	87	Active
STILLIRIDGE	Port Orchard	83	Active
GAYS WATER DISTRICT ASSOCIATION	Arlington	81	Active
MC DANIELS TRAILER PARK W S	GOLD BAR	81	Inactive
MERIDIAN WATER SYSTEM	Arlington	81	Active
CHEALCO WATER SUPPLY	Arlington	78	Active
U C T HOME WTR SYST	EVERETT	78	Inactive
Peoples Creek Water System	Monroe	76	Active
ARLINGTON VIEW ESTATES WATER ASSOC	Arlington	75	Active
LAKEWOOD WEST WATER ASSN.	Coupeville	75	Active
THUNDERBIRD TERRACE WATER SYSTEM	Monroe	75	Active
TULALIP SHORES WATER SYSTEM	Arlington	74	Active
SNOHOMISH MHP	SEATTLE	73	Inactive
SNUG HARBOR MHC	Arlington	71	Active
LAKE CASSIDY ESTATES	ARLINGTON	70	Active
HAPPY HILL COMMUNITY CLUB	Port Orchard	69	Active
NORTH HIGH ROCK ESTATES W.S.	Arlington	68	Active
KYAK RIDGE WATER SYSTEM	Arlington	66	Active
PILCHUCK 26 TRACTS	Arlington	66	Active
COUNTRY MOBILE ESTATES	ARLINGTON	65	Inactive
DARRINGTON RANGER STATION	DARRINGTON	64	Inactive
SNOHOMISH CNTY PUD#1-MACHIAS RIDGE	EVERETT	64	Inactive
LOCH-O-RAMA	STANWOOD	63	Inactive
SILVER SPRINGS ESTATES COMM ASSN	Coupeville	61	Active
GREEN WATER MEADOW SYSTEM	GOLD BAR	60	Inactive
HALO MOBILE HOME PARK	Mill Creek	60	Inactive
SUDDENVIEW	Port Orchard	60	Active
SUNNY SHORES COMMUNITY CLUB	Arlington	60	Active
CASCADE ACRES HOME OWNERS	Lake Stevens	58	Inactive
VISTA GLEN	Port Orchard	58	Active
ARLINGTON HEIGHTS WATER CO INC	Arlington	57	Active
CASCADE CREST	Port Orchard	55	Active
TULARE BEACH ASSOCIATION	Port Orchard	54	Active
RIVERSIDE W DIST	OLYMPIA	52	Inactive
TULALIP WOOD WATER SYSTEM	Arlington	52	Active
FOREST GROVE MOBILE HOME PARK	Arlington	51	Active
MOUNT FOREST	MONROE	51	Inactive
Whispering Firs at Firetrail	Mt Vernon	51	Active
LAKE VIEW WATER USERS	OLYMPIA	50	Inactive
MOUNT FOREST WATER SYSTEM	LAKE STEVENS	50	Active
TWIN ROADS WATER ASSOCIATION	Arlington	50	Active
LAKE STEVENS,WATER COMPANY	LAKE STEVENS	48	Inactive
MCDANIEL'S MOBILE VILLAGE	GOLD BAR	48	Inactive
POESCHEL & SCHULTZ #5	ARLINGTON	48	Inactive
RIVERSIDE WATER DIST #1	Everett	48	Active
SEVENTH HEAVEN COUNTRY CLUB	Monroe	48	Active
ALDERCREST WATER USERS	Snohomish	47	Inactive
PANTHER LAKE COMMUNITY WATER SYSTEM	Arlington	47	Active
PLEASANT ACRES MOBILE HOME PARK	BOTHELL	46	Inactive
NORTHWEST ESTATES	EVERETT	45	Inactive
RIVER-N. FORK SKYKOMISH	REDMOND	45	Inactive
DARRINGTON WATER ASSOCIATION	Darrington	42	Active
OTTERCREST ESTATES WATER SYSTEM	Port Orchard	42	Active
EAST CRYSTAL LAKE ESTATES COMMUNITY	Mt Vernon	38	Active
BARKLY MANOR	MARYSVILLE	36	Inactive
BUNK FOSS SYSTEM	Arlington	36	Active
CAREY ROAD WATER CO	SNOHOMISH	36	Inactive
HAMMER, RAY 5-ACRE L.T.S. 10	MONROE	36	Inactive
RAINBOW SPRINGS WATER SYSTEM	GRANITE FALLS	36	Inactive
RIVER TERRACE	MARYSVILLE	36	Inactive
60TH STREET WATER WORKS	SNOHOMISH	35	Active
BAGIS TRACTS WATER SYSTEM	DARRINGTON	35	Inactive
EVERETT TRAILER COURT	MARYSVILLE	35	Inactive
MEADOWBROOK HOMEOWNERS ASSN	Arlington	35	Active
POTLATCH BEACH COMMUNITY	MARYSVILLE	35	Inactive
SKOKIA WATER DISTRICT	MARYSVILLE	35	Inactive
Lakewood Garden Tracts Water Assoc	Arlington	33	Active
ARCADIA WATER SUPPLY	MARYSVILLE	30	Inactive
EDGECOMB LANDOWNERS ASSOC	ARLINGTON	30	Inactive
FERN BLUFF ESTATES	Monroe	30	Active
JOHN KLEIN SPRING	MARYSVILLE	30	Inactive
MC PHERSON HILLS WATER SYSTEM	Arlington	30	Active
MILWAUKEE HILL WATER ASSN.	MONROE	30	Inactive
SANDS MOBILE HOME PARK	MARYSVILLE	30	Inactive
HOMESTEAD ESTATES WATER SYSTEM	Snohomish	28	Inactive
SATHER, KEN WATER SYSTEM	STANWOOD	28	Inactive
GREEN VELVET WATER SYSTEM	Snohomish	26	Active
LAKEVIEW WATER DIST	SNOHOMISH	26	Inactive
CANYON FALLS WATER DISTRI	OLYMPIA	25	Inactive
CRESWELL COMMUNITY WELL	OLYMPIA	25	Inactive
LAKE GOODWIN WATER COMPANY	STANWOOD	25	Inactive
MEADOW VISTA	LAKE STEVENS	25	Inactive
PRIEST POINT MANOR WATER	EVERETT	25	Inactive
PUMPKIN TOWN WATER SUPPLY	DARRINGTON	25	Inactive
RIVERSCENE WATER	OLYMPIA	25	Inactive
RON KONA	OLYMPIA	25	Inactive
SNO PUD 1-PILCHUCK 10	Everett	25	Inactive

Showing the 200 largest of 207 systems on record, by population served. Browse by county above for the full list — every system has its own page, and all of them are in the sitemap.