Population Served
28.7K
Service Connections
9.6K
Total Violations
52
Health-Based Violations
18
Lead & Copper Data
Lead Level
Caution2.70 ppb
Action Level: 15 ppb (EPA) · Sampled: 2025-12-31
015 ppb action level
Copper Level
1400 ppb
Action Level: 1,300 ppb (EPA) · Sampled: 2025-12-31
Copper action level exceeded
System Details
- Water Source
- Groundwater
- System Type
- Community Water System
- City
- LAKE IN THE HILLS
- ZIP Code
- 60156
- Counties Served
- McHenry
- Cities Served
- LAKE IN THE HILLS
- Open Violations
- 0
- State
- Illinois
Violation Summary
52
Total Violations
18
Health-Based
0
Open Now
Most recent violation: 2025-01-01
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Data source: EPA ECHO SDWIS Bulk Download (Jan 2026). PWSID: IL1110400.SafeWater Home