Rock County, Wisconsin Water Systems

Rock County, Wisconsin

30 community water systems on record — 20 active, 10 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 Rock County, Wisconsin

System name	City	Population served	Status
BELOIT CITY OF	BELOIT	36,677	Active
BELOIT MOBILE HOME PARK	BELOIT	25	Inactive
BIRCHWOOD TRAILER COURT	EVANSVILLE	32	Active
CARAVILLA EDUCATION AND REHAB CENTER	JANESVILLE	298	Active
CAVALIER VILLAGE MOBILE HOME PARK	OREGON	25	Inactive
CLINTON WATERWORKS	CLINTON	2,119	Active
EDGERTON WATERWORKS	EDGERTON	5,512	Active
EVANSVILLE WATERWORKS	EVANSVILLE	5,703	Active
FOOTVILLE WATERWORKS	FOOTVILLE	816	Active
FULTON UTILITY DISTRICT	MILTON	200	Active
GOLDEN RETIREMENT HOUSING	JANESVILLE	25	Inactive
JANESVILLE MOBILE TERR PK 2	JANESVILLE	25	Inactive
JANESVILLE MOBILE TERRACE	JANESVILLE	80	Inactive
JANESVILLE WATER UTILITY	JANESVILLE	64,415	Active
KOUNTRY KOURTS MOBILE HOME PARK	SUSSEX	5	Inactive
MIDWAY VILLAGE MOBILE HOME PARK	CEDAREDGE	160	Active
MILTON WATERWORKS	MILTON	5,588	Active
MOUNTAIN VIEW MHP 1	EVANSVILLE	50	Active
MOUNTAIN VIEW MHP 2	EVANSVILLE	25	Active
OAK RIDGE MOBILE HOME PARK	EVANSVILLE	25	Inactive
OAKHILL WATERWORKS	EDGERTON	130	Active
ORFORDVILLE WATERWORKS	ORFORDVILLE	1,475	Active
PIRATES COVE MOBILE HOME COMMUNITY	MADISON	25	Active
ROCK CNTY HEALTH CARE CENTER	JANESVILLE	1,000	Inactive
ROCK RIVER LEISURE ESTATES 2	EDGERTON	0	Inactive
ROCK RIVER LEISURE ESTATES COOP	EDGERTON	650	Active
ROCK RIVER SHORES	COLFAX	75	Inactive
ROCKVALE MHP	FARMINGTON HILLS	1,200	Active
SHADY HILL MOBILE HOME PARK	STEVENS POINT	140	Active
WRIGHTS MOBILE HOME PARK	WHITEWATER	240	Active