EIS Supporting Documentation

• Washington Department of Fish and Wildlife (WDFW) Studies
  • 2015 Upper Chehalis Instream Fish Study
  • 2015 Chehalis ASRP Off-Channel Habitat Summary Based on Egg Mass Surveys: 2nd Progress Report
  • 2015 Chehalis ASRP Off-Channel Habitat Summary Based on Off-Channel Extensive Surveys: 2nd Progress Report
  • 2016 Chehalis ASRP Intensive Surveys in Off-Channel Habitat: 2nd Progress Report
  • 2016 Chehalis ASRP Instream Amphibian Surveys: 3rd Progress Report
  • 2015 Draft Riverscape Study Report
• Behavior and Movement of Adult Spring Chinook Salmon in the Chehalis River Basin (Liedtke, USGS 2016)
• Effects of Climate Change on the Hydrology of the Chehalis River Basin (Mauger et al 2016)
• Chehalis Basin Strategy: Reducing Flood Damage and Enhancing Aquatic Species, Phase 1 Site Characterization, Technical Memorandum (HDR and S&W 2015)
• Chehalis Basin Strategy: Reducing Flood Damage and Enhancing Aquatic Species, Phase 2 Site Characterization, Technical Memorandum (HDR and S&W)
• Landslide Reconnaissance Evaluation of the Chehalis Dam Reservoir (S&W 2015)
• Recommended Floodplain Management Standards (French & Associates 2015)
• Upper Chehalis Basin Large Wood Loading Inventory (Anchor QEA 2016)
• Restorative Flood Protection Technical Report (NSD 2016)
• Development and Calibration of the Chehalis River CE-QUAL-W2 Water Quality Model (PSU)
• Water Quality Study (Anchor QEA 2016)
• Upper Chehalis River Geomorphology Report (WGD 2016)
• Operations Plan (Anchor QEA 2016) 
• Site Characterization and Dam Conceptual Design Presentation

Washington Department of Fish and Wildlife (WDFW) Species/Habitat Studies

• Terrestrial Amphibian Survey (2014)
• Stream-associated Amphibian Survey (2016)
• Stream-associated Amphibian Survey (2nd progress report)
• Amphibian Egg Mass Off-channel Survey (2016)
• Intensive Off-channel Survey (2016)
• Waterfowl and Waterbird Abundance (2017)

October 11, 2016 Policy Workshop Presentation

• Causes of Extreme Flooding

September 21, 2016 Technical Workshop Presentations

• Programmatic SEPA Draft EIS
• Species and Habitat Studies
  • Riverscape
  • Restoration potential monitoring
  • Salmon and steelhead spawning above the dam site
  • Summer rearing and movement for native fishes – in proposed dam footprint
  • Behavior and movement of adult Spring Chinook
  • Amphibian and non-salmonid fishes (includes occupancy modeling)
  • Waterfowl
• Climate Change
• Dam Operation Studies
  • Water quality
  • Fish passage
  • Geomorphology
  • Landslides analysis
  • Vegetation management plan
• Restorative Flood Protection Studies

September 22, 2016 Technical Workshop Presentations

• Programmatic SEPA Draft EIS
• Flood Retention Facilities (Dam)
• Restorative Flood Protection
• Other Large- and Local-scale Flood Protection Action Elements 
• Aquatic Species Habitat Actions
• Comparison of Combined Alternatives

Reports

• Chehalis Basin Work Group Recommendations Report (2014)
• Ruckelshaus Center Alternatives Report (2012)
• Executive Summary of the Ruckelshaus Center Alternatives Report (2012)
• Comments on the Draft Ruckelshaus Center Alternatives Report (2012)

January 21, 2016 ASRP Workshop

• Summary of January 21, 2016 ASRP Workshop
• Compiled Presentations from January 21, 2016 ASRP Workshop

October 7, 2015 Policy Workshop

• Compiled Presentations from October 7 Policy Workshop

September 22, 2015 Technical Workshop Presentations

• Confederated Tribes Porter Restoration
• Extensive Off-channel Habitat Surveys
• Instream Amphibian Surveys
• Off-channel Habitat Egg Mass Surveys
• Off-channel Habitat Beaver Assessment
• Results from a Pilot Study to Evaluate Movement and Temperature Use Patterns of Adult Spring Chinook Salmon
• Riverscape Patterns of Fish and Habitat
• September 22 Synthesis Session
• Stream-associated Amphibian Surveys
• Summer Movements of Juvenile Salmonids
• Summer Rearing Distribution Behavior of Juvenile Salmonids: Synthesis and Next Steps
• Temperature Characteristics of the Chehalis River Watershed within the Distribution of Spring Chinook Salmon
• Upper Chehalis River Smolt Trapping, 2013-2015
• Using PHABSIM to Investigate Effects of Altered Streamflow
• Water Quality Studies Completed in 2013-2015 Biennium
• WQ Technical Tasks

Technical Memos from 2013-2015 Biennium

• Aquatic Species Restoration Program Effects Report – Final
• Aquatic Species Restoration Program Report – Final
• Chehalis Basin Strategy 2015-2017 Biennium Scope and Budget – Final
• Chehalis Phase 1 Site Characterization
• Comparison of Alternatives Report – Final
• Hydraulic Model Report – Final
• Small Projects Report – Final
• Structures in Floodplain Survey Report – Final
• Water Retention and Fish Passage Report – Final
• WSDOT I-5 Chehalis Flood Report – Final