Population Served
10.3K
Service Connections
3.0K
Total Violations
38
Health-Based Violations
18
Lead & Copper Data
Lead Level
Elevated8.78 ppb
Action Level: 15 ppb (EPA) · Sampled: 2025-06-30
015 ppb action level
Copper Level
No copper sampling data available
System Details
- Water Source
- Purchased Surface Water
- System Type
- Community Water System
- City
- LYONS
- ZIP Code
- 60534
- Counties Served
- Cook
- Cities Served
- LYONS
- Open Violations
- 0
- State
- Illinois
Violation Summary
38
Total Violations
18
Health-Based
0
Open Now
Most recent violation: 2025-07-02
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: IL0311710.SafeWater Home