Carroll County, Illinois Water Systems

Carroll County, Illinois

12 community water systems on record — 9 active, 3 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 Carroll County, Illinois

System name	City	Population served	Status
CARROLL HEIGHTS UTILITIES COMPANY	MT CARROLL	80	Active
CENTURY PINES APARTMENTS	MT CARROLL	25	Inactive
CHADWICK	CHADWICK	523	Active
LANARK	LANARK	1,504	Active
MILLEDGEVILLE	MILLEDGEVILLE	989	Active
MOUNT CARROLL	MT CARROLL	1,479	Active
SAVANNA	SAVANNA	3,020	Active
SAVANNA ARMY DEPOT	SAVANNA TWP	25	Inactive
SHANNON	SHANNON	801	Active
THOMSON	PERU	580	Active
THOMSON MAXIMUM SECURITY CENTER	THOMSON	2,166	Active
THOMSON MHP	THOMSON	63	Inactive