Flathead County, Montana Water Systems

Flathead County, Montana

197 community water systems on record — 141 active, 56 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 Montana’s official records. Always confirm current status with Montana before making decisions based on this information.

Community water systems in Flathead County, Montana

System name	City	Population served	Status
2155 COLUMBIA FALLS LLC	BIGFORK	70	Inactive
ALPINE MOBILE MANOR	BIGFORK	45	Active
ALPINE PACIFIC UTILITIES	SOMERS	270	Active
ALPINE VILLAGE WUA	COLUMBIA FALLS	125	Active
AP COUNTRYSIDE ESTATES	KALISPELL	93	Active
AP KOOKOOSINT	KALISPELL	40	Active
AP WILLIAMS	KALISPELL	280	Active
ASHLEY HILLS HOA	KALISPELL	75	Active
ASHLEY TRAILS	KALISPELL	27	Active
ASPEN KNOLL	KALISPELL	75	Active
BEAR CREEK VILLAGE BIGFORK	BIGFORK	100	Active
BIG MOUNTAIN WATER COMPANY	WHITEFISH	2,435	Active
BIG SKY MOBILE MANOR	COLUMBIA FALLS	30	Inactive
BIG SKY MOBILE MANOR	COLUMBIA FALLS	35	Active
BIGFORK COUNTY WATER AND SEWER	BIGFORK	6,100	Active
BLANCHARD HOLLOW ESTATES WUA	WHITEFISH	53	Active
BROOK DRIVE WATER ASSN	KALISPELL	32	Active
BUFFALO MOUNTAIN SUBDIVISION	BIGFORK	90	Active
CARL LAUTERJUNG	KALISPELL	51	Inactive
CHAUTAUQUA TERRACE HOA	LAKESIDE	55	Active
CHAUTAUQUA TERRACE HOA	LAKESIDE	50	Inactive
CHERRY VIEW	LAKESIDE	352	Active
COLUMBIA FALLS CITY OF	COLUMBIA FALLS	4,450	Active
COLUMBIA RANGE HOA	COLUMBIA FALLS	47	Active
CORAM COUNTY WATER AND SEWER DISTRICT	CORAM	450	Active
CORAM PRIVATE WATER SUPPLY	CORAM	100	Inactive
COTTONWOOD HOMES	KALISPELL	45	Active
COUNTRY BOURNE	KALISPELL	25	Active
COUNTRY COURT COMMUNITY INC	KALISPELL	25	Active
COUNTRY ESTATES MBLE HOME PARK	COLUMBIA FALLS	125	Active
COUNTRY ESTATES WATER SUPPLY	KALISPELL	490	Active
COUNTRY LAKE HOMES WHITEFISH	KALISPELL	260	Active
DICK AUSTIN POTABLE WATER	KALISPELL	100	Inactive
DISTRICT COURT LLC	KALISPELL	50	Active
DWAYNES VILLAGE	KALISPELL	40	Active
EAGLE BEND	BIGFORK	75	Inactive
EAGLE BEND DEVELOPMENT	BIGFORK	235	Inactive
EAGLE CREEK & EAGLE POINT HOA	WHITEFISH	22	Inactive
EAGLE RIDGE ESTATES CO W AND S DIST	KALISPELL	115	Active
EAST EVERGREEN MOBILE MANOR	KALISPELL	155	Active
EAST VALLEY ESTATES	KALISPELL	63	Active
EAST WOOD VILLAGE TRAILER PARK	COLUMBIA FALLS	36	Active
ELK PARK VILLAGE	COLUMBIA FALLS	35	Active
EMBARK AT FLATHEAD VALLEY	MARION	130	Inactive
EMERALD HEIGHTS HOA WATER & SEWER DIST	WHITEFISH	70	Active
EQUITY SUPPLY CO	KALISPELL	25	Inactive
FIELDSTONE SUBDIVISION	KALISPELL	52	Active
FISHERMANS VILLAGE	WEST YELLOWSTONE	50	Inactive
FLATHEAD CO WATER DISTRICT NO 8	COLUMBIA FALLS	475	Active
FLATHEAD COUNTY WATER AND SEWER	KALISPELL	7,775	Active
FLATHEAD COUNTY WATER DIST 101	COLUMBIA FALLS	210	Active
FOREST ACRES TR PK WHITEFISH	WHITEFISH	390	Active
FOREST HILL HOA	KALISPELL	50	Active
FOREST RIVER MOBILE HOME AND RV PARK	KALISPELL	90	Active
FOSTERS COUNTRY VIEW TR PK LLC	KALISPELL	50	Active
FOX HILL ESTATES	KALISPELL	163	Active
FOYS LAKESIDE ESTATES WATER & SEWER DIST	KALISPELL	36	Active
FREDRICKSON SUBDIVISION WUA	COLUMBIA FALLS	50	Inactive
FRETHEIM WATER SYSTEM	WHITEFISH	40	Inactive
GREAT BEAR ESTATES	COLUMBIA FALLS	32	Active
GREEN ACRES COURT	KALISPELL	85	Active
GREEN ACRES MOBILE HOME COURT	KALISPELL	125	Inactive
GREEN TREE MEADOWS COUNTY W AND S DIST	BIGFORK	237	Active
GREENACRES COUNTY WATER AND SEWER DIST	KALISPELL	450	Active
GREENWOOD VILLAGE RV AND MHP	KALISPELL	195	Active
HADLEY ROAD HOA	KALISPELL	33	Active
HALFMOON MEADOWS HOA	KALISPELL	25	Active
HALFMOON MOBILE HOME PARK INC	COLUMBIA FALLS	60	Active
HANSONS TRAILER COURT	KALISPELL	40	Active
HAPPY VALLEY WATER	KALISPELL	32	Inactive
HAPPY VALLEY WATER DIST B KSPL	COLUMBIA FALLS	207	Active
HARVEST VIEW HOA	WILMINGTON	25	Active
HEADQUARTERS APGAR	WEST GLACIER	500	Active
HIDDEN MEADOW MOBILE MANOR	KALISPELL	50	Inactive
HIDEAWAY TR PK COLUMBIA FALLS	KALISPELL	75	Active
HIDEAWAY TRAILER PARK	COLUMBIA FALLS	52	Inactive
HILLCREST COMMUNITY WATER	KALISPELL	65	Active
HILLCREST ESTATES	KALISPELL	75	Inactive
HILLSIDE HOMES	BIGFORK	35	Active
HILLTOP TERRACE	COLUMBIA FALLS	75	Inactive
HILLTOP TERRACE	COLUMBIA FALLS	25	Inactive
HILLTOP TERRACE NO 2 COLUMBIA F	KALISPELL	250	Inactive
HILLTOP TERRACE SUBDIVISION	KALISPELL	230	Active
HILLTOP TERRACE-FLATHEAD UT CO	KALISPELL	75	Inactive
HOLBROOK ESTATES	KALISPELL	120	Active
HUNGRY HORSE CO WATER AND SEWER DISTRICT	HUNGRY HORSE	1,135	Active
IDEAL TRAILER COURT-MCLAUGHLIN	KALISPELL	100	Inactive
IRON HORSE HOMEOWNERS ASSOC	COLUMBIA FALLS	335	Active
JUNIPER BAY VILLAS	KALISPELL	26	Active
KALISPELL PUBLIC WORKS	KALISPELL	25,000	Active
KOKANEE BEND HOA	COLUMBIA FALLS	230	Active
LAKESHORE HEIGHTS HOA	COLUMBIA FALLS	100	Active
LAKESIDE TRAILER COURT	LAKESIDE	15	Inactive
LAKESIDE WATER SYSTEM	LAKESIDE	1,225	Active
LAKESIDE YACC CAMP	KALISPELL	150	Inactive
LAKEVIEW PARK ESTATES HOMEOWNERS ASSOC	LAKESIDE	92	Active
LEDGEWOOD ESTATES	BIGFORK	35	Active
LION MOUNTAIN HOMEOWNERS ASSOC	COLUMBIA FALLS	204	Active
LION MOUNTAIN WATER USERS ASSN	WHITEFISH	30	Inactive
MARTIN CITY COUNTY WATER DISTRICT	MARTIN CITY	340	Active
MAYPORT HARBOR HOA	BIGFORK	25	Inactive
MEADOW HILLS WATER AND SEWER DISTRICT	COLUMBIA FALLS	130	Active
MEADOW LAKE CO WATER AND SEWER DISTRICT	COLUMBIA FALLS	950	Active
MEADOW MANOR	KALISPELL	410	Active
MEADOWLAND HOA	COLUMBIA FALLS	150	Active
MEADOWLARK MOBILE HOME PARK	BUENA PARK	55	Active
MISSION VIEW TERRACE	LAKESIDE	0	Inactive
MONTANA CHRISTIAN COLLEGE	LIBBY	105	Active
MONTANA VETERANS HOME V.A.	COLUMBIA FALLS	150	Inactive
MORNING STAR	BIGFORK	85	Active
MOUNTAIN VIEW TIMBERS HOA	BIGFORK	36	Active
MOUNTAIN VILLA APTS KALISPELL	COEUR D'ALENE	300	Active
NORTH HAVEN HEIGHTS WATER ASSOC INC	KALISPELL	95	Active
NORTH MERIDIAN TRAILER PARK	BOISE	23	Inactive
NORTHERN PINES COMMUNITY HOA	COLUMBIA FALLS	295	Active
NORTHFORK TR CT COLUMBIA FALLS	KALISPELL	48	Active
NORTHWOODS WATER SYSTEM COOP INC	COLUMBIA FALLS	135	Active
OUTBACK MOBILE HOME SETTLEMENT	WHITEFISH	80	Active
PANORAMIC MOUNTAIN RIVER HEIGHTS W DIST	KALISPELL	65	Active
PAULLIN WATER SYSTEM	WHITEFISH	26	Inactive
PAULLIN WATER USERS ASSN	WHITEFISH	50	Inactive
PEACEFUL BAY APARTMENTS	LAKESIDE	25	Inactive
PHEASANT HAVEN ESTATES	KALISPELL	53	Active
PLEASANT GROVE MANUFACTURED HOME SITES	KALISPELL	70	Active
PLEASANT GROVE MOTEL & TR CT	LAKESIDE	50	Inactive
PLEASANT GROVE MOTEL AND TR CT	LAKESIDE	30	Inactive
PLEASANT HILL ESTATES HOA	KALISPELL	90	Active
PLEASANT VIEW HOMESITES W AND S DISTRICT	KALISPELL	85	Active
PONDEROSA HOMEOWNERS ASSN INC	KALISPELL	246	Active
PRAIRIE FALCON ACRES	COLUMBIA FALLS	41	Active
PTARMIGAN VILLAGE INC	WHITEFISH	600	Active
QUAIL RIDGE	KALISPELL	123	Active
R J NORTHERN PARK	KALISPELL	50	Active
RAINBOW'S END MOBILE MANOR	KALISPELL	45	Inactive
RANCH CO WATER & SEWER DIST THE	BIGFORK	90	Active
RIDGEVIEW SUBDIVISION	KALISPELL	50	Inactive
RIDGEVIEW WATER USERS ASSOC	KALISPELL	35	Active
RIDGEWOOD TERRACE MHP	LINCOLN	280	Active
RIVER BLUFF HOA WHITEFISH	BIGFORK	32	Active
RIVERSIDE MOBILE HOME PARK	COLUMBIA FALLS	100	Active
RIVERVIEW OVERLOOK HOA	KALISPELL	33	Active
RIVERWOOD ESTATES	COLUMBIA FALLS	0	Inactive
ROCKY CLIFF ESTATES	KALISPELL	140	Active
ROCKY MOUNTAIN HI RV PARK	KALISPELL	275	Active
ROCKY MOUNTAIN TR. CT.	COLUMBIA FALLS	30	Inactive
ROGERS TRAILER COURT	KALISPELL	32	Inactive
ROSEWOOD ACRES	KALISPELL	50	Active
ROUTE FORTY TRAILER COURT	COLUMBIA FALLS	20	Inactive
SKY RANCH WATER ASSOCIATION	KALISPELL	45	Active
SKY VIEW ESTATES	KALISPELL	60	Active
SKYVIEW PARK	KALISPELL	55	Active
SOMERS CO WATER AND SEWER DIST	SOMERS	765	Active
SOUTH EIGHTY WATER	LAKESIDE	63	Active
SOUTHSIDE PUBLIC WATER SUPPLY	KALISPELL	306	Active
SOUTHSIDE TOWNHOUSES	SOMERS	25	Inactive
SPRING CREEK MHP	ST GEORGE	82	Active
SPRUCE MEADOWS HOA	KALISPELL	40	Active
SPRUCE PARK MOBILE VILLAGE	BILLINGS	48	Active
STAR MEADOWS	KALISPELL	32	Inactive
STEELE WATER CO	COLUMBIA FALLS	41	Inactive
STILLWATER ESTATES COUNTY W AND S DIST	KALISPELL	130	Active
STILLWATER WATER DISTRICT	KALISPELL	85	Active
STONERIDGE HOME OWNERS ASSOCIATION	COLUMBIA FALLS	95	Active
SUNRISE TERRACE NO 1 HOA	KALISPELL	85	Active
SUNRISE TERRACE SUBD NO 2	KALISPELL	131	Active
SUNSET DEVELOPMENT CO	KALISPELL	137	Inactive
SUNSET DEVELOPMENT COMPANY	KALISPELL	137	Inactive
SWAN RIDGE HOA	KALISPELL	28	Active
SWEETGRASS RANCH SUBDIVISION	KALISPELL	65	Active
TAMARACK WOODS	LAKESIDE	14	Inactive
TAMARACK WOODS HOA LAKESIDE	KALISPELL	180	Active
THE BENCHES	COLUMBIA FALLS	123	Active
THE CEDARS SUBDIVISION	WHITEFISH	30	Inactive
THE HOMESTEAD CHINOOK RIDGE	DALLAS	33	Active
THOMPSON RANCHETTES II	KALISPELL	100	Active
TIMBER RIDGE HOA	COLUMBIA FALLS	30	Active
TIMBERS AT WHITEFISH THE	BIGFORK	40	Active
TOWN & COUNTRY TRAILER COURT	WHITEFISH	45	Inactive
TROUTBECK RISE LAKESIDE EST WATER SYSTEM	LAKESIDE	250	Inactive
TURTLE MOUNTAIN ESTATES	KALISPELL	10	Inactive
TWIN ACRES TRAILER COURT	STEVENSVILLE	60	Active
TWO MILE TRACT HOA	KALISPELL	128	Active
WALKER-HOUSTON	WHITEFISH	50	Inactive
WAPITI ACRES COUNTY WATER AND SEWER DIST	KALISPELL	32	Active
WATER	KALISPELL	25	Inactive
WEST GLACIER WUA	WEST GLACIER	90	Active
WEST VALLEY PINES HOA INC	KALISPELL	130	Active
WESTERN ACRES HOMEOWNERS ASSN	KALISPELL	30	Inactive
WETTINGTON WATER DISTRICT INC	KALISPELL	119	Active
WHITEFISH CITY OF	WHITEFISH	10,418	Active
WHITEFISH HILLS VILLAGE	COLUMBIA FALLS	50	Active
WHITEFISH RIVER RANCH	KALISPELL	36	Active
WILLOW GLEN TRAILER COURT KSPL	STEVENSVILLE	69	Active
WINTERHAWK GROUP HOME	KALISPELL	50	Inactive
WOOD RIDGE HOA	BIGFORK	70	Active
WOODLANDS SUBDIVISION	EUREKA	45	Active
YOUTH WITH A MISSION	LAKESIDE	150	Active