Cascade County, Montana Water Systems

Cascade County, Montana

69 community water systems on record — 47 active, 22 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 Cascade County, Montana

System name	City	Population served	Status
ARMINGTON TRAILER COURT	BELT	43	Inactive
ASSOCIATED WATER, INC.	GREAT FALLS	21	Inactive
BELT TOWN OF	BELT	600	Active
BIG BEND RANCH SUBDIVISION	GREAT FALLS	100	Active
BIG SKY MOBILE HOME PARK	GREAT FALLS	40	Active
BIG STACK ESTATES	HELENA	60	Active
BIG STONE COLONY INC	SAND COULEE	130	Active
BLACK EAGLE CASCADE COUNTY WATER SEWER	BLACK EAGLE	1,233	Active
BRADEN TRACTS UNAPPROVED	VAUGHN	28	Inactive
BUSHARD WATER COMPANY	BLACK EAGLE	425	Active
CANTEEN WATER SERVICE	VAUGHN	25	Inactive
CASCADE TOWN OF	CASCADE	650	Active
CASCADE COLONY	FORT SHAW	100	Inactive
CASCADE COLONY	SUN RIVER	105	Active
CASCADE COUNTY FILLING STATIONS	GREAT FALLS	94	Inactive
COBBLESTONE COURT	GREAT FALLS	50	Active
COUNTRYSIDE VILLAGE MHP GRT FLS	OREM	600	Active
CULLIGAN WATER CO	GLASGOW	25	Inactive
FAIRHAVEN COLONY	ULM	105	Active
FISCHER'S TRAILER COURT	GREAT FALLS	175	Inactive
GIBSON LAKE TRACTS SPRING	GREAT FALLS	25	Inactive
GORE HILL COUNTY WATER DIST	GREAT FALLS	500	Active
GRANDVIEW TRAILER COURT	PORT ORCHARD	165	Active
GRASSLAND COLONY	GREAT FALLS	80	Active
GREAT FALLS CITY OF	GREAT FALLS	60,000	Active
GREAT FALLS RV PARK	GREAT FALLS	274	Active
H2O TO GO - PENNINGTON'S	GREAT FALLS	50	Inactive
HANGING A INC.	GREAT FALLS	70	Inactive
HIGH PLAINS H2O LLC	GREAT FALLS	25	Active
HIGHWOOD MOBILE HOME PARK	GREAT FALLS	400	Active
HILLCREST COLONY	POWER	89	Active
HILLTOP COLONY	STOCKETT	100	Active
HOMESTEAD ACRES COUNTY WATER AND SEWER	GREAT FALLS	500	Active
MALMSTROM AIR FORCE BASE	MALMSTROM AIR FORCE BASE	8,850	Active
MISSOURI MEADOWS COMMUNITY INC	HIGHLANDS RANCH	85	Active
MORONY DAM MT POWER	GREAT FALLS	35	Inactive
MOUNTAIN MUDD WATER TRUCK GREAT FALLS	BILLINGS	25	Inactive
NEIHART TOWN OF	NEIHART	229	Active
OASIS WATER SERVICE	GREAT FALLS	45	Inactive
PARK GARDEN ESTATES	GREAT FALLS	50	Active
PLEASANT PARK COMMUNITY INC	GREAT FALLS	125	Active
PLEASANT VALLEY COLONY	BELT	120	Active
POCKLINGTON WELL	ULM	25	Inactive
PRAIRIE WATER COMPANY	GREAT FALLS	1,000	Active
RADAS RIVER TRAILER COURT	GREAT FALLS	25	Inactive
RAINBOW DAM - MT POWER	GREAT FALLS	39	Inactive
RED SKY MOBILE HOME COMMUNITY	DILLON	80	Active
RED WHEEL TRAILER COURT	GREAT FALLS	200	Inactive
RICEVILLE HEIGHTS SUBDIVISION	BELT	25	Active
RIVERS EDGE MOBILE HOME PARK GRT FLS	HELENA	75	Active
RIVERSHORE COMMUNITY LLC	PORT ORCHARD	90	Active
RYAN DAM WATER SYSTEM	HELENA	230	Active
SAND COULEE WATER USERS DISTRICT	SAND COULEE	180	Active
SANGSTER WATER HAULING LLC	GREAT FALLS	180	Inactive
SHADE TREE MOBILE PARK	HELENA	100	Active
SOUTH WIND WATER AND SEWER DISTRICT	GREAT FALLS	200	Active
SPRING TREE RIDGE	GREAT FALLS	80	Active
STOCKETT WATER AND SEWER DIST	STOCKETT	210	Active
SUN PRAIRE WATER ASSN	GREAT FALLS	100	Inactive
SUN PRAIRIE VILLAGE COUNTY	GREAT FALLS	1,800	Active
SUN PRAIRIE WATER DISTRICT	GREAT FALLS	350	Active
SUNSET MOBILE HOME PARK	BATTLE GROUND	45	Active
THE FALLS MOBILE HOME COMMUNITY	EL DORADO HILLS	60	Active
TRACY WATER USERS CORP	SAND COULEE	200	Active
TWIN SILOS RANCHETTES	GREAT FALLS	38	Inactive
TWO BUTTES WATER USERS ASSN	FORT SHAW	525	Active
TWO BUTTES WATER USERS ASSN	FORT SHAW	195	Inactive
VAUGHN CASCADE COUNTY WATER AND SEWER	VAUGHN	585	Active
WINDY ACRES WUA	GREAT FALLS	50	Active