Construction Map

Old Main Sewer Separation (CSO Rack 21)

The Old Main Sewer Separation (CSO Rack 21) Project is one of the separation projects listed under the Specific Action Projects in the Consent Decree. The combined sewers in the Rack 21 watershed will be separated into storm and sanitary sewers.  This project has met its AFO date of November 13, 2017.   

This project is now complete. 

February 2018 Photos - Final

November 2017 Photos

October 2017 Photos

September 2017 Photos

August 2017 Photos

July 2017 Photos

June 2017 Photos

May 2017 Photos

April 2017 Photos

March 2017 Photos

February 2017 Photos

January 2017 Photos

December 2016 Photos

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