The District has developed a public notification program for combined sewer overflows (CSOs) into the Chicago area waterways in accordance with Special Condition 10.12 of the NPDES Permits for the North Side, Stickney, and Calumet WRPs and Special Condition 14.12 of the NPDES Permits for the Kirie and Lemont WRPs.

General Information CSO Notification Plan CSO Notification Plan Public Comments Kirie WRP Collection System Operational and Maintenance Plan CSO Representative Monitoring and Reporting Plans   North Side Area Stickney Area Calumet Area Outfalls Along Waterways Summary of Activity at Major Pump Stations Summary of Lake Michigan Reversals CSO Notification Sign No Trespassing Sign