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Nine Mile Run

Nine Mile Run is a small stream that flows through Pittsburgh’s East End, mostly underground. The 7 square mile Nine Mile Run watershed is home to the largest urban stream restoration in the United States, completed by the U.S. Army Corps of Engineers in 2006. Today, UpstreamPgh’s work on this project continues the stream’s urban location causes challenges like excessive stormwater runoff, bank erosion, non-point source pollution, sewage overflows and more.