Grant County, Washington Water Systems

Grant County, Washington

108 community water systems on record — 82 active, 26 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 Grant County, Washington

System name	City	Population served	Status
AAA MOBILE HOME & RV PARK	BELLEVUE	54	Inactive
ADMIRAL WATER USERS ASSN	Moses Lake	74	Active
BASIN WATER SOURCES INC	Cle Elum	1,158	Active
BEVERLY MILWAUKEE R R	BEVERLY	16	Inactive
BEVERLY WATER DISTRICT	Mattawa	120	Active
Brixey H2A	Yakima	100	Active
BUTLER HAZEL	MOSES LAKE	36	Inactive
CASCADE VALLEY WATER DISTRICT	MOSES LAKE	379	Active
CASCADE VILLAGE MHP	Ellensburg	164	Active
Cougar Campers	Cle Elum	44	Active
COULEE CITY TOWN OF	Coulee City	944	Active
COUNTRY CLUB ESTATES WATER SYSTEM	Moses Lake	186	Active
COUNTRY CORNER MOBILE HOME PARK	Gig Harbor	95	Active
COUNTRY DREAM ESTATES	WARDEN	30	Inactive
CRESCENT BAR SYSTEM	Ephrata	1,108	Active
CRESCENT VIEW CONDOMINIUM OWNERS	Quincy	243	Active
DESERT AIRE OWNER ASSN	Desert Aire	2,856	Active
Desert Hills	Moses Lake	30	Active
DESERT VILLA	Yakima	100	Active
DIAMOND POINT WATER SYSTEM	Cle Elum	110	Active
Doc Stewart	Yakima	100	Active
DOW APTS	MOSES LAKE	69	Inactive
ELECTRIC CITY CITY OF	Electric City	1,812	Active
EPHRATA WATER DEPARTMENT	Ephrata	8,718	Active
EVERGREEN MOBILE HOME PARK	MOSES LAKE	30	Inactive
FAIRVIEW WATER USERS	MOSES LAKE	27	Inactive
FIRST POTHOLES WATER USERS ASSN	Moses Lake	90	Active
FORDAIR WATER CO-OP INC	Quincy	43	Active
GEORGE CITY OF	George	1,035	Active
GOLDEN VALLEY WATER ASSN	Quincy	138	Active
GRAND COULEE WATER DEPT CITY OF	Grand Coulee	1,428	Active
GRANT CO PUD PRIEST RAPID	EPHRATA	25	Inactive
GRANT ORCHARD M.H. PARK	SOAP LAKE	30	Inactive
GROVE TERRACE MHP TWO LLC	Moses Lake	220	Active
HARTLINE WATER SYSTEM	Yakima	249	Active
HILLCREST WATER USERS ASSN	Moses Lake	300	Active
LAKE RIDGE HILLS WATER ASSN	ELECTRIC CITY	30	Active
LAKESHORE MOBILE HOME COURT	Anacortes	103	Inactive
LAKEVIEW MOBILE TERRACE	Ellensburg	43	Active
LAKEVIEW PARK WATER ASSN	Quincy	1,259	Active
LARSON MOBIL HOME PARK	QUINCY	30	Inactive
LAZY ACRES MOBILE HOME PARK	Quincy	164	Inactive
Legacy Resort	Othello	46	Active
LONG LAKE SHORES INC	EPHRATA	2	Inactive
LONGVIEW ELEMENTARY SCHOOL	MOSES LAKE	328	Inactive
LONGVIEW WATER INC	MOSES LAKE	140	Inactive
Lyons Water System	Moses Lake	28	Active
MAPLES PLAT WATER SYSTEM	MOSES LAKE	30	Active
MARINE VIEW HOME OWNERS ASSN	Moses Lake	87	Active
MARLIN HUTTERIAN	Marlin	134	Active
Mattawa City of	Mattawa	5,370	Active
Meadow Park Water System	Yakima	48	Active
MILLS TRAILER VILLAGE	MOSES LAKE	30	Inactive
MOSES LAKE CITY OF	Moses Lake	32,428	Active
MOSES LAKE LIVESTOCK AUCTION	MOSES LAKE	471	Inactive
MT VIEW WATER SYSTEM	MOSES LAKE	42	Active
NEW COLUMBIA WATER ASSN	Electric City	166	Inactive
NORTH SHORE ACRES	GRAND COULEE	116	Active
ORCHARD HOMES WATER SYSTEM	Moses Lake	31	Active
ORCHARDS AT CRESCENT BAR	BELLEVUE	60	Inactive
Outlaw Camp	Cle Elum	193	Active
PAINTED HILLS WATER ASSOCIATION	Ephrata	70	Active
PARK ORCHARD TRACT 40	Moses Lake	25	Active
PARKER SPRING ACRES WATER ASSOC	Moses Lake	255	Active
PAXSON PLATT WATER ASSOCIATION	Moses Lake	34	Inactive
Pelican Point By Cascadia LLC	Yakima	1,357	Active
PONDEROSA MOBILE HOME PARK	Ellensburg	105	Active
QUAIL RUN MOBILE HOME PARK	Ellensburg	165	Active
QUINCY WATER DEPARTMENT CITY OF	Quincy	8,415	Active
RAINEYS CIRCLE TR CT	MOSES LAKE	20	Inactive
RIDGEVIEW ESTATES WATER ASSOCIATION	Moses Lake	240	Active
ROYAL CITY WATER	Royal City	3,389	Active
ROYAL WATER DISTRICT	Othello	430	Active
SAGE HILLS ESTATES 1	Warden	38	Active
SAGE HILLS SECOND WATER SYSTEM	Warden	34	Active
Sagedale Apartments	Moses Lake	40	Active
SENTINEL GAP WATER ASSN	Mattawa	226	Active
SILVER SANDS CONDO WATER	Moses Lake	37	Active
SKYLINE ACRES INC	Moses Lake	151	Active
Skyline East Orchard	Wenatchee	93	Active
SKYLINE WATER SYSTEM INC	MOSES LAKE	293	Active
SOAP LAKE WATER DEPT	Quincy	2,399	Active
STRATFORD ROAD ESTATES	MOSES LAKE	312	Active
SUN DESERT INC	Moses Lake	27	Active
SUN VALLEY ORCHARD FARMWORKER	Wenatchee	52	Active
SUNLAND ESTATES HOMEOWNERS ASSN	Quincy	1,480	Active
SUNRISE WATER ASSOCIATION	Moses Lake	250	Active
SUNSERRA AT CRESCENT BAR	Quincy	1,000	Active
SUNSET ACRES WATER ASSN	Moses Lake	61	Active
SUNSET ACRES WATER ASSOC	MOSES LAKE	45	Inactive
T-11 Farmworker Housing	Wenatchee	99	Active
The Village at Colockum Ridge	Quincy	144	Active
VIEWRIDGE APTS	MOSES LAKE	36	Inactive
Viking Road Water System	Moses Lake	88	Active
WAGON WHEEL ESTATE	CONNELL	25	Active
WAGON WHEEL MHP	East Wenatchee	86	Active
WANAPUM VILLAGE	Selah	305	Active
WARDEN CITY OF	Warden	4,674	Active
WARDEN LAKE RESORT	SEATTLE	9	Inactive
WEILER-MARTIN TRACTS WATER ASSN	Quincy	1,163	Active
WENGER, MAY	MOSES LAKE	18	Inactive
WESTERNER TRAILER CT., THE	MOSES	66	Inactive
WESTMONT ACRES	Soap Lake	206	Active
Westshore Water Company	MOSES LAKE	153	Active
Whispering Rock Farmworker Housing	Wenatchee	92	Active
WILSON CREEK WATER DEPT TOWN OF	Quincy	386	Active
WINCHESTER FARMWORKER - CFP	Wenatchee	96	Active
Winchester West Farmworker Housing	Wenatchee	100	Active