Combined Sewer Overflow

A combined sewer system is a sewer system that is designed to collect sanitary and storm flows in the same pipes. The city of Terre Haute, like many midwestern cities, contributes to the pollution of the Wabash River through CSO's.

MS4

MS4 stands for Municipal Separate Storm Sewer System. This site contains information on stormwater pollution, tips on prevention practices, and other stormwater information.