The Fort Thurlow Irrigation Diversion is located in the Beaver Creek drainage of the Methow Valley Subbasin. Beaver Creek is listed in the Washington Conservation Commission's Limiting Factors Report and the USFS Middle Methow Watershed Assessment as potential habitat for listed Upper Columbia steelhead, Upper Columbia spring Chinook and bull trout. These species presently occupy less than 10% of the potential habitat in Beaver Cr. because of passage barriers created by culverts and impassable irrigation diversion dams. The Fort Thurlow Phase II Project was implemented as an adaptive management project to address failures in the previous diversion project completed by others. The Project included removal and repair of diversion structure and trash rack, removal of v weir structures, construction of roughened channel structure, and site restoration. Substantial completion was November 2014. The Project was impacted by excessive sediment from debris flows post fire. Adaptive management and monitoring will be required through 2017