Yellowstone County, Montana Water Systems

Yellowstone County, Montana

85 community water systems on record — 53 active, 32 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 Yellowstone County, Montana

System name	City	Population served	Status
ALDINGER ACRES SUBDIVISION	BILLINGS	100	Active
AQUA GOAT LLC	BILLINGS	200	Inactive
AQUA MAN LLC	BILLINGS	25	Inactive
ARROW CREEK TRAILER COURT	BALLANTINE	75	Active
B&C TRAILER COURT	BILLINGS	50	Inactive
BILLINGS CITY OF	BILLINGS	114,000	Active
BILLINGS HEIGHTS CO WATER DIST OF	BILLINGS	12,000	Active
BLACK ROCK ESTATES SUBDIVISION	BILLINGS	75	Active
BLUE CREEK MOBILE HOME COURT	BILLINGS	45	Inactive
BLUE GRASS WATER USERS ASSOCIATION	BILLINGS	60	Active
BROADVIEW TOWN OF	BROADVIEW	200	Active
BRONCO TRAILER COURT	BILLINGS	30	Inactive
C & C COMMUNITY INC	BILLINGS	145	Active
CEDAR PARK WATER PLANT	BILLINGS	600	Inactive
CHERRY CREEK ESTATES LLC	BILLINGS	600	Active
CLAMPITT'S TRAILER COURT	BILLINGS	65	Inactive
COUNTRY VIEW MOBILE PARK	BILLINGS	20	Inactive
COZY COURT	BILLINGS	25	Inactive
CROSS HOME PARK	BILLINGS	24	Inactive
CRYSTAL SPRINGS WATER SYSTEM	BILLINGS	225	Active
DOUBLE DIAMOND SUBDIVISION ARBOR HILLS	BILLINGS	50	Active
DUCK CREEK MOBILE HOME PARK	BILLINGS	70	Active
DUCK CREEK TR CT - WELL #2	BILLINGS	35	Inactive
EASTWOOD MOBILE HOME COURT	DALLAS	140	Active
EDS WATER SERVICE BILLINGS	SHEPHERD	120	Inactive
EMERALD VIEW PARK	BILLINGS	320	Active
ERICS EMERGENCY WATER SERVICE	BILLINGS	100	Active
FIRST CHOICE WATER	LAUREL	65	Inactive
FISHER WATER SERVICE	BILLINGS	750	Active
FOX WATER SERVICE INCORPORATED	LAUREL	60	Active
GLENTANA TRAILER COURT	BILLINGS	84	Inactive
GO 2 U WATER DELIVERY	LAUREL	200	Active
GOLDEN EAGLE WATER USERS ASSN	BILLINGS	125	Active
GOLDEN MEADOWS SUBDIVISION	OREM	772	Active
GOLDEN MEADOWS SUBDIVISION 2ND CC	OREM	245	Active
GRANITE PARK WATER ASSOCIATION	BILLINGS	250	Active
GRAUS TRAILER COURT	BILLINGS	25	Inactive
HIDDEN LAKE YELLOWSTONE COUNTY W AND S D	BILLINGS	350	Active
HILLSIDE VILLAGE	DALLAS	650	Active
HUNTLEY YELLOWSTONE CO WATER AND SEWER	HUNTLEY	230	Active
KIMBLE TRAILER COURT	BILLINGS	25	Inactive
LAUREL MUNICIPAL WATER SYSTEM	LAUREL	6,339	Active
LOCKWOOD WATER AND SEWER DISTRICT	BILLINGS	5,900	Active
MCCANN'S WATER SERVICE LLC	SHEPHERD	25	Active
MEADOWLARK OF BILLINGS LLC	OREM	800	Active
MIDWAY TOWNHOMES WUA	BILLINGS	75	Active
MITCHELL COURT APARTMENTS	HELENA	80	Active
MOUNTAIN VIEW COLONY	BROADVIEW	114	Active
OAK RIDGE ESTATES	BILLINGS	200	Active
PEKS MOBILE HOME COURT	BILLINGS	95	Active
PIONEER WATER SERVICE	BILLINGS	900	Active
PRECISION WATER	BILLINGS	250	Active
PRYOR CREEK WATER ASSN	HUNTLEY	475	Active
PURE-FLO INC - DISTILLED	BILLINGS	100	Inactive
PURE-FLO INC - PURIFIED	BILLINGS	100	Inactive
R & R TRAILER COURT BLGS	BILLINGS	35	Inactive
R&R TRAILER COURT	BILLINGS	25	Inactive
RALLY POINT WATER	BILLINGS	0	Inactive
RELIABLE WATER SERVICE	BILLINGS	110	Inactive
RESTAD'S MOBILE HOME COURT	BILLINGS	25	Inactive
RIDGEVIEW SUBDIVISION PHASE ONE	LOGAN	60	Active
RIVER GROVE ESTATES TR CT	PORT ORCHARD	100	Active
SADDLEBACK RIDGE ESTATES	LAUREL	150	Active
SARTORIE LEGACY HOMES	BILLINGS	35	Active
SHEPHERD WATER STATION	MILES CITY	100	Active
SHILOH ROAD DEVELOPMENT	BILLINGS	315	Active
SHILOH VILLAGE MOBILE HM PARK	BILLINGS	135	Inactive
SKYCREST ESTATES SUBDIVISION	BILLINGS	235	Active
SOUTH HILLS WATER AND SEWER DIST	BILLINGS	350	Inactive
STILL RIVER ESTATES SUBDIVISION	BILLINGS	188	Active
STONE CREEK SUBDIVISION	BILLINGS	378	Active
SUNBURST MEADOWS	SHEPHERD	50	Inactive
SUNDANCE SUBDIVISION	BILLINGS	378	Active
SUNHAVEN MOBILE HOME PARK	DALLAS	160	Active
THE NINES SUBDIVISION	BILLINGS	220	Active
TWO ACRE TRAILER COURT	BILLINGS	25	Inactive
VOSS' TRAILER COURT	BILLINGS	25	Inactive
WELLS GARDEN ESTATES	BILLINGS	50	Inactive
WELLS GARDEN ESTATES	BILLINGS	240	Active
WINDSOR ESTATES	LINCOLN	530	Active
WOODLAND COURT	SHERIDAN	23	Inactive
WORDEN BALLANTINE WATER & SEW.	WORDEN	50	Inactive
WORDEN BALLANTINE YELLOWSTONE	BALLANTINE	800	Active
WORDEN COMMUNITY WUA	WORDEN	1,400	Inactive
YELLOWSTONE BOYS AND GIRLS RANCH	BILLINGS	240	Active