This Division is responsible for stormwater management and planning for the protection and sustainable use of the County's water supply. McHenry County is dependent on groundwater for 100% of its potable water, including all private and public water supplies.

This Division responds to concerns regarding site grading, flooding, drainage, and wetlands. Division staff assists property owners in obtaining stormwater management permits and reviews building permits for compliance with stormwater regulations.

Division staff also serves as the liaison to the Stormwater Management Commission, the Stormwater Technical Advisory Committee and the Groundwater Taskforce.  

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