Public water system · IL0311620
ActiveLemont
Community water system in Cook County, Illinois, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
17,500
Service connections
6,396
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-08-31 | 65 | 5000 | Yes | Unaddressed |
| 2023-10-01 | 52 | 5000 | No | Resolved |
| 2020-12-30 | 66 | 5000 | No | Resolved |
| 2015-10-01 | 02 | 4010 | Yes | Resolved |
| 2015-07-01 | 02 | 4010 | Yes | Resolved |
| 2015-04-01 | 02 | 4010 | Yes | Resolved |
| 2015-01-01 | 02 | 4010 | Yes | Resolved |
| 2015-01-01 | 01 | 4010 | Yes | Resolved |
| 2014-07-01 | 71 | 7000 | No | Resolved |
| 2013-07-01 | 71 | 7000 | No | Resolved |
| 2007-04-01 | 03 | 4010 | No | Resolved |
| 2007-01-01 | 03 | 4010 | No | Resolved |
Lemont: frequently asked questions
Is Lemont's water safe to drink?
Lemont 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 Lemont?
Lemont (PWSID IL0311620) is a local government-owned community water system, regulated by the IL state drinking water program.
How many people does Lemont serve?
Lemont reports serving 17,500 people through 6,396 service connections in Cook County, Illinois.
Where does Lemont get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in Cook County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Chicago | Cook | 2,746,388 | Community | Surface water |
| Cicero | Cook | 83,000 | Community | Purchased surface water |
| Schaumburg | Cook | 75,750 | Community | Purchased surface water |
| Evanston | Cook | 74,486 | Community | Surface water |
| Arlington Heights | Cook | 73,320 | Community | Purchased surface water |
| Palatine | Cook | 70,875 | Community | Purchased surface water |