Population Served
160.0K
Service Connections
49.0K
Total Violations
380
Health-Based Violations
282
Lead & Copper Data
Lead Level
Elevated7.03 ppb
Action Level: 15 ppb (EPA) · Sampled: 2025-12-31
015 ppb action level
Copper Level
No copper sampling data available
System Details
- Water Source
- Groundwater
- System Type
- Community Water System
- City
- JOLIET
- ZIP Code
- 60432
- Counties Served
- Will
- Cities Served
- JOLIET
- Open Violations
- 0
- State
- Illinois
Violation Summary
380
Total Violations
282
Health-Based
0
Open Now
Most recent violation: 2024-10-17
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: IL1970450.SafeWater Home