CCD Mill Creek Ditch Fish Passage Improvement Project Fish Passage Improvement Project IDHWS_10317Recovery DomainsInterior ColumbiaStart Date03/01/2004End Date12/30/2004StatusCompletedLast Edited12/09/2014 1 - 1 Description In the spring of 2004, the Mill Creek Diversion Dam, identified by the U.S. Fish and Wildlife Service (UFWS) and the Cascadia Conservation District (CCD) as a fish movement barrier, was replaced by six log weirs. Mill Creek is a tributary of