These combined sewer overflow (CSO) reports are filed with the State of Illinois on a monthly basis by the City of Mattoon Wastewater Treatment Plant and are provided here pursuant to Illinois Revised Statutes, 1991, Chapter 111 ½, Section 1039.
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| File | Action |
|---|---|
| CSO Report December 2013 | Download |
| CSO Report November 2013 | Download |
| CSO Report October 2013 | Download |
| CSO Report September 2013 | Download |
| CSO Report August 2013 | Download |
| CSO Report July 2013 | Download |
| CSO Report June 2013 | Download |
| CSO Report May 2013 | Download |
| CSO Report April 2013 | Download |
| CSO Report March 2013 | Download |
| CSO Report February 2013 | Download |
| CSO Report January 2013 | Download |