Population Served
12.7K
Service Connections
6.1K
Total Violations
19
Health-Based Violations
0
Lead & Copper Data
Lead Level
High Risk16.00 ppb
Action Level: 15 ppb (EPA) · Sampled: 2025-12-31
015 ppb action level
Lead action level exceeded
Copper Level
No copper sampling data available
System Details
- Water Source
- Purchased Surface Water
- System Type
- Community Water System
- City
- HERRIN
- ZIP Code
- 62948
- Counties Served
- Williamson
- Cities Served
- HERRIN
- Open Violations
- 0
- State
- Illinois
Violation Summary
19
Total Violations
0
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: IL1990400.SafeWater Home