Chesapeake Bay Beat & Environment DC Underground Tunnel to Combat Flooding from Sewers WASHINGTON — An underground tunnel is being built for a new sewer system to alleviate flooding in DC neighborhoods. The $157 million project is ahead of schedule, and will be completed next spring. Share this:Tweet Hayley Fixler Hayley Fixler is an MMJ (Multimedia Journalist) and anchor in the Capital News Service College Park broadcast bureau, focusing on justice and the military. She has previously interned at WJLA-TV (ABC 7/News Channel 8) and Israel Broadcasting Authority . Hayley can be found on Twitter and LinkedIn .