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LAKE IN THE HILLS

Community Water System · Illinois · LAKE IN THE HILLS

PWSID: IL1110400

Has Violations

Population Served

28.7K

Service Connections

9.6K

Total Violations

52

Health-Based Violations

18

Lead & Copper Data

Lead Level

Caution

2.70 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

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