Big Horn County, Wyoming Water Systems

Big Horn County, Wyoming

17 community water systems on record — 15 active, 2 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 Wyoming’s official records. Always confirm current status with Wyoming before making decisions based on this information.

Community water systems in Big Horn County, Wyoming

System name	City	Population served	Status
AIRPORT BENCH WATER & SEWER DI	GREYBULL	0	Inactive
BASIN, TOWN OF	BASIN	1,250	Active
BURLINGTON, TOWN OF	BURLINGTON	348	Active
BYRON, TOWN OF	BYRON	593	Active
COWLEY, TOWN OF	COWLEY	800	Active
DEAVER MUNICIPAL WATER SYSTEM	DEAVER	176	Active
FRANNIE, TOWN OF	FRANNIE	160	Active
GREYBULL HEIGHTS WATER USERS	GREYBULL	84	Active
GREYBULL, TOWN OF	GREYBULL	3,260	Active
HYATTVILLE S&I DISTRICT	HYATTVILLE	66	Active
LOVELL, TOWN OF	LOVELL	2,360	Active
MANDERSON, TOWN OF	BASIN	110	Active
SCHAREN SUBDIVISION	GREYBULL	50	Active
SHELL TOWN WATER IMPROVEMENT DISTRICT	SHELL	120	Active
SHELL VALLEY WEST W & S	GREYBULL	0	Inactive
SOUTH BIG HORN COUNTY JPB	WORLAND	900	Active
SOUTH END WATER USERS S&I DISTRICT	LOVELL	150	Active