Columbia County, Wisconsin Water Systems

Columbia County, Wisconsin

30 community water systems on record — 26 active, 4 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 Columbia County, Wisconsin

System name	City	Population served	Status
ARLINGTON WATERWORKS	ARLINGTON	823	Active
CAMBRIA WATERWORKS	Cambria	767	Active
CAPITAL HILL MOBILE HOME PARK	LODI	36	Active
COLUMBUS UTILITIES	COLUMBUS	5,173	Active
CRYSTAL LAKE RV RESORT LLC	LODI	725	Active
DELLS ESTATES	PLAIN	30	Active
FALL RIVER WATERWORKS	FALL RIVER	1,793	Active
FRIESLAND WATERWORKS	FRIESLAND	345	Active
HARMONY GROVE SAN DIST	LODI	1,950	Active
HARMONY MOBILE MANOR	LODI	45	Active
INCH HEIGHTS LLC	JUNEAU	47	Active
LODI WATERWORKS	LODI	3,146	Active
MAPLE RIDGE MOBILE HOMES	MIDDLETON	25	Inactive
OAKWOOD TERRACE	FARMINGTON HILLS	100	Active
PARDEEVILLE WATERWORKS	PARDEEVILLE	2,151	Active
PINE HAVEN ESTATES	PARDEEVILLE	45	Active
PINE VISTA MHP 1	LAS VEGAS	60	Active
PINE VISTA MPH 2	PRAIRIE DU SAC	22	Inactive
PORTAGE WATERWORKS	PORTAGE	10,437	Active
POYNETTE MOBILE ESTATES	CHICAGO	150	Active
POYNETTE WATERWORKS	POYNETTE	2,520	Active
RANDOLPH WATER DEPT	RANDOLPH	1,800	Active
RIO WATERWORKS	RIO	1,095	Active
SADDLE RIDGE ESTATES	PORTAGE	700	Active
SUBURBAN HEIGHTS MHP	PARDEEVILLE	90	Active
SUBURBAN HGTS MOBILE HMS 2	CAMBRIA	25	Inactive
WISCONSIN ACADEMY CAFETERIA	FALL RIVER	115	Inactive
WISCONSIN ACADEMY MAIN CAMPUS	FALL RIVER	115	Active
WISCONSIN DELLS WATERWORKS	WISCONSIN DELLS	3,232	Active
WYOCENA WATERWORKS	WYOCENA	768	Active