Benton County, Washington Water Systems

Benton County, Washington

77 community water systems on record — 44 active, 33 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 Benton County, Washington

System name	City	Population served	Status
AgriNorthwest Riverbend	Pasco	59	Active
BADGER CANYON RANCHETTES #2	Port Orchard	50	Active
BADGER CANYON WATER ASSN	Kennewick	40	Active
BADGER MOUNTAIN IRRIGATION DISTRICT	Kennewick	2,331	Active
BAR 80 RANCHETTES	Benton City	32	Active
BARKERS FIRST ADDITION	BENTON CITY	90	Inactive
BARKERS TRACTS WTR SYS	BENTON CITY	70	Inactive
BC WATER CO	Kennewick	1,262	Active
BEACH RV PARK	BENTON CITY	84	Inactive
BENTON CITY WATER	Benton City	5,626	Active
BRANDON MOBILE HOME COURT	KENNEWICK	30	Inactive
BROADVIEW WATER ASSOCIATION	W. RICHLAND	27	Inactive
BROWNS MOBILE PARK	PROSSER	60	Inactive
CANYON VILLAGE WATER SYSTEM INC	Yakima	310	Active
CHAMBERS WATER SUPPLY	RICHLAND	48	Inactive
Columbia Place LLC	Portland	125	Active
Community Sewer and Water District	Kennewick	1,200	Active
ConAgra Foods Lamb Weston Inc-Farm	Pasco	107	Active
COXVILLE WATER ASSN #1	Benton City	26	Active
EASY LIVING MOBILE HOME PARK	KENNEWICK	90	Inactive
EATON PARK SUBDIVISION	Kennewick	70	Active
FLORENCE INVESTMENT CO LA	OLYMPIA	25	Inactive
GMP Orchards LLC - Harbo	Yakima	96	Active
GOOD NEIGHBORS WATER ASSN	Kennewick	40	Active
GOODNIGHT WATER SYSTEM	Kennewick	47	Active
GOOSE GAP WATER ASSOCIATION	Richland	25	Active
Great Basin Water Kiona	Pasco	520	Active
Great Basin Water Sunrise	Pasco	100	Active
GREEN CIRCLES FARM	PATERSON	80	Inactive
GREEN GIANT LABOR CAMP	OLYMPIA	25	Inactive
HARMONS MOBILE HOME COURT	KENNEWICK	49	Inactive
HILLS MFGD HOME COMMUNITY, THE	RICHLAND	450	Inactive
Hillview Mobile Community LLC	Port Orchard	118	Active
HOMESTEAD MANUFACTURED HOUSING	Kennewick	300	Active
JUDKINS SUBDIVISION	PROSSER	36	Inactive
KENNEWICK CITY OF	Kennewick	118,164	Active
KID - Elliot Lake	Kennewick	117	Inactive
KID - Lorayne J	Kennewick	307	Inactive
KIONA RANCH	PROSSER	3	Inactive
KIONA VILLAGE	KENNEWICK	65	Inactive
KIONA VILLAGE COURT	Prosser	124	Active
Kiona West Heights Water Assoc.	Cle Elum	77	Active
LAGUNA VISTA IMPROVEMENT ASSOC	KENNEWICK	20	Inactive
LORAYNE J RANCH WS	OLYMPIA	25	Inactive
METZ COMMUNITY & RV LLC	Port Orchard	245	Active
MIDWAY SUBSTATION	SUNNYSIDE	75	Inactive
MONSON SUBDIVISION	OLYMPIA	25	Inactive
MOUNT ADAMS VISTA WATER SYSTEM	Benton City	34	Active
MT VIEW TRACTS	Yakima	31	Active
OASIS WATER CO INC	SUNNYSIDE	50	Inactive
OASIS WATER CORPORATION	Pasco	556	Active
PATERSON HEIGHTS WATER ASSN	West Richland	85	Active
Plymouth Water District	West Richland	288	Active
PLYMOUTH WATER SUPPLY	OLYMPIA	25	Inactive
PROSSER CITY OF	Prosser	6,211	Active
PROSSER PACKERS LABOR CAMP	PROSSER	25	Inactive
RAINBOW COURT	Prosser	120	Active
RED MOUNTAIN GUEST RANCH	BENTON CITY	3	Inactive
RED MOUNTAIN WATER ASSOCIATION	Pasco	200	Active
RICHLAND CITY OF	Richland	106,499	Active
RIGBY, MARRINER #1	RICHLAND	23	Inactive
River Ridge Farmworker Housing	Yakima	98	Active
ROZA HEIGHTS WATER ASSN	Prosser	110	Active
SANDPIPER MOBILE HOME PARK	PATERSON	48	Inactive
SHORT PLAT 905 WATER SYSTEM	KENNEWICK	30	Inactive
SOLHEIM D WATER SUPPLY	OLYMPIA	25	Inactive
SOUTHGATE WATER COMPANY	Pasco	175	Active
SUMMIT VIEW WATER SYSTEM	Kennewick	1,869	Active
SUNDANCE IMPROVEMENT ASSOCIATION	Kennewick	100	Active
TRI-CITY WATER DISTRICT #45	Kennewick	300	Active
VINTAGE VINEYARDS	SUNNYSIDE	25	Inactive
WEST RICHLAND CITY OF	West Richland	21,231	Active
WHISKEY WELLS IMPROVEMENT CLUB	KENNEWICK	25	Inactive
WHITSTRAN HEIGHTS WATER ASSOCIATION	Yakima	65	Active
Wilgus Housing Water System	Grandview	220	Active
WYCKOFF FARMS	Grandview	131	Active
YATES WATER SYSTEM	BENTON CITY	34	Inactive