• Mason Dam Project
  • Amendments to Study Plans
    • Amendments to Study Plan 6 and 7, Study Plan 3 and 5 Draft reports, and Study plan1 and 2 updates.
    • Study Plan 5 Water Quality Parameters Removal of Alkalinit
  • Integrated License Process Schedule
    • Integrated Licensing Process Plan Schedule August 20, 2008
  • Initial Study Report/Updated Study Report
    • Initial Study Report
    • Initial Study Report Meeting Summary
    • Initial Study Report Update May 2008
    • Updated Study Report March 5, 2009
    • Updated Study Report Meeting Summary March 31, 2009
  • Pre-Application Document PAD
    • Letter Submitting Supplication
    • Certificate of Service
    • Mason Dam PAD April 15, 2006
  • Supplemental No.1 to PAD July 2006
    • Bull Trout Recovery Plan App A
    • Bull Trout Recovery Plan App B
    • Bull Trout Recovery Plan CH 13 References
    • Bull Trout Recovery Plan App 13
    • Bull Trout Recovery Plan App Executive Summary
    • Bull Trout Recovery Plan App Implementation Schedule
    • Bull Trout Recovery Plan App Introduction
    • Bull Trout Recovery Plan App Table of Coments
    • Exhibit 1 Average Monthly Flows
    • Exhibit 2a & b Single-line Diagrams
    • Exhibit 3 Estimates of Dependable Capacity and Average Annual Production in Megawatt hours
    • Exhibit 4a & b Project Boundary
    • Exhibit 5a & b Public and Tribal Lands
    • Exhibit 6 Recreational Sites near Project
    • Exhibit 7 Sumpter Valley Dredge Tailing Management Plan
    • Exhibit 8 Map of Wetlands
    • Exhibit 9a & b Pacific Bald Eagle recovery Plan and Status Report
    • Exhibit 11 Powder Basin Subbasin Plan
    • Exhibit 12 Bull Trout Federal Registry Notice
  • Proposed Study Plan PSP
    • Revised Proposed Study Plans October 2006
  • Revised Study Plan RSP
    • Revised Proposed Study Plan February 2007
  • Study Plan Determination
    • Study Plan Determination March 2007
    • Supplement to Study Plan Determination March 2007
  • Study Plan Draft Reports
    • 2007 Field Season Draft Study Reports
      • Study Plan 2 Draft Report February 2008
      • Study Plan 1 Draft Report May 2008
      • Study Plan 5 Draft Report June 2008
    • 2008 Field Season Draft Study Reports
      • Study Plan 2 and 3 Draft Report March 2009
      • Study Plan 7 Archaeological Survey Draft Report
  • Study Plan Final Reports
    • Study Plan 1
    • Study Plan 2 & 3 May 2009
    • Study Plan 5
    • Study Plan 6 Confidential Public Release Version.
    • Study Plan 7 Confidential-See 2008 Field Season Draft Study Report "Study Plan 7 Archaeological Survey Draft Report."
  • Biological Assessments
    • Draft Biological Assessment (BA) October 2009
  • Additional Study Reports
    • Mason Dam Entrainment and Mortality Draft Final Report Feb 14 2011.pdf
  Expand all Collapse all