Grant County, Wisconsin Water Systems

Grant County, Wisconsin

33 community water systems on record — 28 active, 5 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 Wisconsin’s official records. Always confirm current status with Wisconsin before making decisions based on this information.

Community water systems in Grant County, Wisconsin

System name	City	Population served	Status
BAGLEY WATERWORKS	BAGLEY	353	Active
BLOOMINGTON WATERWORKS	BLOOMINGTON	682	Active
BLUE RIVER WATERWORKS	BLUE RIVER	424	Active
BLUFFSIDE COURT	CASSVILLE	40	Active
BOSCOBEL WATERWORKS	BOSCOBEL	3,237	Active
CASSVILLE WATERWORKS	CASSVILLE	777	Active
COUNTRY ESTATES	FENNIMORE	23	Inactive
COZY ACRES MHP	BARABOO	80	Active
COZY ACRES MHP SOUTH	EAU CLAIRE	75	Inactive
CUBA CITY WATERWORKS	CUBA CITY	2,141	Active
DICKEYVILLE WATERWORKS	DICKEYVILLE	1,069	Active
FENNIMORE WATERWORKS	FENNIMORE	2,507	Active
FOUR WINDS TRAILER COURT	DUBUQUE	25	Inactive
HAZEL GREEN WATERWORKS	HAZEL GREEN	1,193	Active
KIELER SD NO 1	KIELER	560	Active
LANCASTER WATERWORKS	LANCASTER	3,907	Active
LIVINGSTON WATERWORKS	LIVINGSTON	664	Active
MARYVILLE SD 2	HAZEL GREEN	100	Active
MONTFORT WATERWORKS	MONTFORT	718	Active
MOUNT HOPE WATERWORKS	MOUNT HOPE	181	Active
MUSCODA WATERWORKS	MUSCODA	1,453	Active
OAK PARK COMMUNITY	DICKEYVILLE	90	Active
ORCHARD MANOR	LANCASTER	220	Inactive
PATCH GROVE WATERWORKS	PATCH GROVE	160	Active
PATRIOT PARK	WAUNAKEE	80	Active
PLATTEVILLE WATERWORKS	PLATTEVILLE	12,268	Active
POTOSI WATERWORKS	POTOSI	718	Active
RED FEARN MOBILE HOME PARK	CUBA CITY	25	Inactive
RIVER VISTA ESTATES LLC	POTOSI	30	Active
SINSINAWA DOMINICANS INC	SINSINAWA	213	Active
STATELINE MOBILE HOME PARK	HAZEL GREEN	37	Active
STITZER SANITARY DIST 1	STITZER	150	Active
TENNYSON WATERWORKS	POTOSI	367	Active