Public water system · IL0150350
ActiveThomson
Community water system in Carroll County, Illinois, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
580
Service connections
237
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-07-02 | 4H | 5200 | No | Unaddressed |
| 2022-07-01 | 03 | 4010 | No | Resolved |
| 2021-10-01 | 03 | 4010 | No | Resolved |
| 2015-01-01 | 02 | 4010 | Yes | Resolved |
| 2002-10-01 | 03 | 4010 | No | Resolved |
| 1977-06-30 | 03 | 4000 | No | Archived |
Thomson: frequently asked questions
Is Thomson's water safe to drink?
Thomson is an active community water system regulated under the Safe Drinking Water Act, overseen by the IL state drinking water program. EPA SDWA violation and enforcement records for this system are being added to AquaCensus from EPA ECHO; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.
Who runs Thomson?
Thomson (PWSID IL0150350) is a local government-owned community water system, regulated by the IL state drinking water program.
How many people does Thomson serve?
Thomson reports serving 580 people through 237 service connections in Carroll County, Illinois.
Where does Thomson get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in Carroll County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Carroll County | Carroll | 51,592 | Community | Surface water |
| City of Westminster | Carroll | 35,256 | Community | Surface water |
| Carrollton | Carroll | 25,200 | Community | Surface water |
| Freedom District | Carroll | 24,867 | Community | Surface water |
| Villa Rica | Carroll | 15,667 | Community | Surface water |
| Carroll Municipal Water Supply | Carroll | 10,184 | Community | Groundwater |