Jefferson County, Illinois Water Systems

Jefferson County, Illinois

14 community water systems on record — 13 active, 1 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 Illinois’s official records. Always confirm current status with Illinois before making decisions based on this information.

Community water systems in Jefferson County, Illinois

System name	City	Population served	Status
BELLE RIVE	BELLE RIVE	1,930	Active
BIG MUDDY RIVER CC	INA	1,771	Active
BLUFORD	BLUFORD	1,880	Active
BONNIE	BONNIE	437	Active
DIX-KELL WATER COMMSSION	DIX	1,972	Active
MOORES PRAIRIE TOWNSHIP WATER COMPANY	BELLE RIVE	213	Active
MOUNT VERNON	MOUNT VERNON	15,793	Active
NASON	BENTON	207	Active
NORTHEAST MOUNT VERNON WATER COMPANY	MT VERNON	5,483	Active
OAK GROVE VILLAGE	FARMINGTON HILLS	362	Active
ROLLING MEADOWS MHC (JEFFERSON CO)	DESTIN	218	Active
STATE OF ILLINOIS WARREN G. MU	STATE OF ILLINOIS WARREN G. MU	100	Inactive
WALTONVILLE	MT. VERNON	1,901	Active
WOODLAWN	WOODLAWN	3,587	Active