Public water system · IL0313300
ActiveWilmette
Community water system in Cook County, Illinois, drawing primarily on surface water.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
27,087
Service connections
9,030
Primary source
SW
Surface water
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-10-01 | 27 | 2950 | No | Archived |
| 2025-10-01 | 27 | 2456 | No | Archived |
| 2025-07-01 | 72 | 7000 | No | Unaddressed |
| 1979-06-25 | 03 | 1025 | No | Archived |
| 1979-06-25 | 03 | 1040 | No | Archived |
| 1979-06-25 | 03 | 1035 | No | Archived |
| 1979-06-25 | 03 | 1015 | No | Archived |
| 1979-06-25 | 03 | 1020 | No | Archived |
| 1979-06-25 | 03 | 1045 | No | Archived |
| 1979-06-25 | 03 | 1010 | No | Archived |
| 1979-06-25 | 03 | 1005 | No | Archived |
Wilmette: frequently asked questions
Is Wilmette's water safe to drink?
Wilmette 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 Wilmette?
Wilmette (PWSID IL0313300) is a local government-owned community water system, regulated by the IL state drinking water program.
How many people does Wilmette serve?
Wilmette reports serving 27,087 people through 9,030 service connections in Cook County, Illinois.
Where does Wilmette get its water?
EPA SDWIS lists this system's primary water source as surface water.
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 |