Counties → Washington

Grant County, Washington

Water Systems

268

Population Served

145,560

Total Violations

12,635

PFAS Detected

of 5 tested

Water Systems

System Name	Population	Violations	PFAS
MOSES LAKE CITY OF	32,428	626	Detected
GORGE AMPHITHEATRE	25,015	29	—
EPHRATA WATER DEPARTMENT	8,620	267	Detected
QUINCY WATER DEPARTMENT CITY OF	8,415	281	Clean
Mattawa City of	5,015	227	Detected
SUN LAKES STATE PARK	4,858	17	—
WARDEN CITY OF	4,674	219	Detected
ROYAL CITY WATER	3,389	61	—
Steamboat Rock State Park #1	2,907	6	—
DESERT AIRE OWNER ASSN	2,856	518	—
SOAP LAKE WATER DEPT	2,399	25	—
CONCERT CAMPING INC	2,040	6	—
ELECTRIC CITY CITY OF	1,812	36	—
SUNLAND ESTATES HOMEOWNERS ASSN	1,480	84	—
POTHOLES STATE PARK	1,456	13	—
GRAND COULEE WATER DEPT CITY OF	1,428	11	—
Pelican Point By Cascadia LLC	1,357	140	—
LAKEVIEW PARK WATER ASSN	1,259	83	—
WEILER-MARTIN TRACTS WATER ASSN	1,163	79	—
BASIN WATER SOURCES INC	1,158	32	—
CRESCENT BAR SYSTEM	1,108	43	—
GEORGE CITY OF	1,035	74	—
SUNSERRA AT CRESCENT BAR	1,000	161	—
COULEE CITY TOWN OF	944	27	—
WINCHESTER WB REST AREA	944	11	—
WINCHESTER EB REST AREA	903	11	—
Potholes General Store	877	25	—
EPHRATA RACEWAY PARK	700	28	—
QUINCY VALLEY REST AREA	536	10	—
DRY FALLS STATE PARK	519	10	—
Port of Royal Slope	447	76	—
ROYAL WATER DISTRICT	430	75	—
WILSON CREEK WATER DEPT TOWN OF	386	35	—
CASCADE VALLEY WATER DISTRICT	379	477	—
JR SIMPLOT CO	365	59	—
Smokiam RV Resort	343	26	—
DEEP LAKE STATE PARK	323	8	—
STRATFORD ROAD ESTATES	312	186	—
Green Acres Orchard	308	0	—
WANAPUM VILLAGE	305	164	—
HILLCREST WATER USERS ASSN	300	56	—
MIDWAY MINI-MART	293	18	—
SKYLINE WATER SYSTEM INC	293	44	—
Green Acres - Mattawa	271	18	—
PARKER SPRING ACRES WATER ASSOC	255	26	—
SUNRISE WATER ASSOCIATION	250	44	—
HARTLINE WATER SYSTEM	249	69	—
CRESCENT VIEW CONDOMINIUM OWNERS	243	34	—
RIDGEVIEW ESTATES WATER ASSOCIATION	240	9	—
SENTINEL GAP WATER ASSN	226	59	—