Population Served
17.5K
Service Connections
6.4K
Total Violations
139
Health-Based Violations
86
Lead & Copper Data
Lead Level
High Risk24.00 ppb
Action Level: 15 ppb (EPA) · Sampled: 2025-06-30
015 ppb action level
Lead action level exceeded
Copper Level
No copper sampling data available
System Details
- Water Source
- Groundwater
- System Type
- Community Water System
- City
- LEMONT
- ZIP Code
- 60439
- Counties Served
- Cook
- Cities Served
- LEMONT
- Open Violations
- 0
- State
- Illinois
Violation Summary
139
Total Violations
86
Health-Based
0
Open Now
Most recent violation: 2023-10-01
Explore Illinois Water Quality
See all water systems, lead data, and violation trends for Illinois.
Data source: EPA ECHO SDWIS Bulk Download (Jan 2026). PWSID: IL0311620.SafeWater Home