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The Glenbrook Sanitary District (GSD) is a unit of local government which was created under the Illinois Sanitary District Act of 1936 over 65 years ago for the purpose of Constructing and providing sanitary sewer service to the residents of the Glenbrook Countryside Subdivision.

In addition to providing sanitary service, the district also provides potable water for consumption.  The water that you drink is Lake Michigan Water, which is provided by the City of Highland Park.

Here you can check out everything you need to know about our district including billing/payment information, meeting agendas, permit information for new construction, and Freedom of Information requests.  Explore and know what’s happening in your District.


Members of the Glenbrook Sanitary District’s three-member Board of Trustees are appointed for three-year terms of office by the Cook County Board.  They govern the district on behalf of its residents.

Current Members of the Board

  • Daniela Partipilo – President

  • Marcus Powell - Trustee

  • Jessie Essman - Trustee


The regular quarterly meeting of the Board of Trustees of the Glenbrook Sanitary District for the calendar year 2023, will be held in the Civic Room of the Northbrook Public Library at 1201 Cedar Lane, Northbrook, Illinois at 9:30 AM on the following dates:

  • Thursday, March 14, 2024

  • Thursday, June 6, 2024

  • Thursday, September 5, 2024

  • Thursday, December 12 2024


Employees for the District are hired by the Board of Trustees and are responsible for the operation, maintenance, collection system and the stewardship of appropriated funds.

District Staff

  • Kenneth Lopez – District Manager & District Clerk

  • Maria Martinez - Finance Manager


Glenbrook Sanitary District does not maintain an office; however, we can be reached by contacting us at (847) 604-8280.  In case of an emergency, after normal business hours, please contact Jean Scher at (847) 363-3636.

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