Cleaning Wastewater to Protect the Environment Since 1928 for Chicago South Suburban Communities

The Thorn Creek Basin Sanitary District is a municipal government that acts as the sole wastewater treatment agency for approximately 100,000 people. Organized in 1928 under Illinois state statutes, the Thorn Creek Basin Sanitary District provides wastewater treatment service for the communities of Chicago Heights, Crete, Homewood, Park Forest, South Chicago Heights, and Steger. The Sanitary District is governed by a board of trustees that is appointed by the elected legislative representatives of the communities served by the Sanitary District.




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The discharge of all toxic substances to the sewer system is prohibited. To report a spill or suspicious activity, call (708) 754-0525 Extension 34.

700 West End Avenue, Chicago Heights, IL 60411

Phone: 708-754-0525


Fax: 708-754-3940