Welcome to the updated website for the Southeast Collector Trunk Sewer (SEC) project


Here you will find our newsletter, contact and feedback information, committee updates and important construction information.  Please check back frequently, as we will be adding new content often.

Project Progress Map


The Southeast Collector Project Guide shows the location of the Southeast Collector Trunk Sewer (SEC) project.


SEC Photo Albums




SEC Videos

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Watch a time-lapse video of the Southeast Collector Trunk Sewer Tunnel Boring Machine being assembled at Shaft 1.

Watch a time-lapse video of the Southeast Collector Trunk Sewer Tunnel Boring Machine being assembled and lowered into the Shaft 1 tunnel.
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Watch a video about recent work on Shaft 6/7 of the Southeast Collector Trunk Sewer project.

Watch the Tunnel Boring Machine (TBM) breakthrough at Shaft 9.