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.  

Proposed Amendments to McHenry County Stormwater Management Ordinance

The McHenry County Stormwater Management Commission is holding a public hearing to accept comments on amendments to the Stormwater Management Ordinance. The hearing is set for:

Thursday, March 26, 2020, 8:30 AM
County Board Conference Rooms
McHenry County Administration Building
667 Ware Road, Woodstock, IL 60068

The public hearing will start at 8:30 AM with a presentation highlighting significant revisions to the Stormwater Management Ordinance. Click here for a copy of the proposed SMO amendments. Following the presentation, the Commission will accept public comments on the proposed ordinance. After public comments are received, the Commission will review the comments and make a recommendation to the County Board for adoption of the ordinance along with any recommended modifications. The County Board is expected to act on the ordinance in May 2020.

Notice is also given that copies of the proposed ordinance amendments are available for review in the Office of the McHenry County Department of Planning & Development, Suite 208, 667 Ware Road, Woodstock, Illinois.  Office hours are 8:00 a.m. to 4:30 p.m. Monday through Friday . 

Written comments may be mailed to: McHenry County Department of Planning & Development, 2200 North Seminary Avenue, Woodstock, Illinois 60098.  Written comments may also be e-mailed to: [email protected].  All written comments must be received 4:30 PM on March 20, 2020.

Fox River Flood Control Commission

During the 100th Session of the Illinois Legislation, Public Act 100-0730 was enacted.  This Act created the Fox River Flood Control Commission and tasked the group with presenting a report to the General Assembly by December 31, 2019 regarding problems and solutions to flooding on the Fox River. 

Each community and township within the Fox River Watershed is asked to fill out the following survey regarding the type and extent of flooding in the community.  The results of the surveys will be used to help quantify the problem and formulate solutions for the Fox River Watershed flooding.  The survey can be accessed here. 

Please click here for a link to the Illinois Department of Natural Resources webpage for the Commission. A copy of the final report may be found on the IDNR's webpage.

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