Bull Trout Reports

Reclamation works with other state and federal agencies to gather information on distribution and abundance of bull trout within the Snake River Basin. The data is presented in summary (completed over multiple years) and annual reports.

Snake River Basin Above Brownlee | Boise River Basin | Payette River Basin | Malheur River Basin

Snake River Basin Above Brownlee
Date Published Type Title
03/29/2022 Annual Report 2021 Annual Report Bureau of Reclamation Report on Monitoring and Implementation Activities Associated with the U.S. Fish and Wildlife Service 2005 Biological Opinion for Operation and Maintenance of the Bureau of Reclamation Projects in the Snake River Basin above Brownlee Reservoir PDF 10.68 mb
03/29/2021 Annual Report 2020 Annual Report Bureau of Reclamation Report on Monitoring and Implementation Activities Associated with the U.S. Fish and Wildlife Service 2005 Biological Opinion for Operation and Maintenance of the Bureau of Reclamation Projects in the Snake River Basin above Brownlee Reservoir PDF 1.22 mb
03/29/2020 Annual Report 2019 Annual Report Bureau of Reclamation Report on Monitoring and Implementation Activities Associated with the U.S. Fish and Wildlife Service 2005 Biological Opinion for Operation and Maintenance of the Bureau of Reclamation Projects in the Snake River Basin above Brownlee Reservoir PDF 1.65 mb
03/29/2019 Annual Report 2018 Annual Report Bureau of Reclamation Report on Monitoring and Implementation Activities Associated with the USFWS 2005 Biological Opinion for Operation and Maintenance of the Bureau of Reclamation Projects in the Snake River Basin above Brownlee Reservoir PDF 1.44 mb
03/31/2018 Annual Report 2017 Annual Report Bureau of Reclamation Report on Monitoring and Implementation Activities Associated with the USFWS 2005 Biological Opinion for Operation and Maintenance of the Bureau of Reclamation Projects in the Snake River Basin above Brownlee Reservoir PDF 4.26 mb
03/31/2017 Annual Report 2016 Annual Report Bureau of Reclamation Report on Monitoring and Implementation Activities Associated with the USFWS 2005 Biological Opinion for Operation and Maintenance of the Bureau of Reclamation Projects in the Snake River Basin above Brownlee Reservoir PDF 3.57 mb
03/31/2016 Annual Report 2015 Annual Report Bureau of Reclamation Report on Monitoring and Implementation Activities Associated with the USFWS 2005 Biological Opinion for Operation and Maintenance of the Bureau of Reclamation Projects in the Snake River Basin above Brownlee Reservoir PDF 3.40 mb
03/31/2015 Annual Report 2014 Annual Report Bureau of Reclamation Report on Monitoring and Implementation Activities Associated with the USFWS 2005 Biological Opinion for Operation and Maintenance of the Bureau of Reclamation Projects in the Snake River Basin above Brownlee Reservoir PDF 3.57 mb
03/31/2014 Annual Report 2013 Annual Report Bureau of Reclamation Report on Monitoring and Implementation Activities Associated with the USFWS 2005 Biological Opinion for Operation and Maintenance of the Bureau of Reclamation Projects in the Snake River Basin above Brownlee Reservoir PDF 5.90 mb
12/01/2013 Biological Assessment Biological Assessment for Bull Trout Critical Habitat in the Upper Snake River Basin PDF 16.09 mb
03/01/2013 Annual Report 2012 Annual Report Bureau of Reclamation Report on Monitoring and Implementation Activities Associated with the USFWS 2005 Biological Opinion for Operation and Maintenance of the Bureau of Reclamation Projects in the Snake River Basin above Brownlee Reservoir PDF 2.47 mb
03/01/2012 Annual Report 2011 Annual Report Bureau of Reclamation Report on Monitoring and Implementation Activities Associated with the USFWS 2005 Biological Opinion For Operation and Maintenance of the Bureau of Reclamation Projects in the Snake River Basin above Brownlee Reservoir PDF 1.7 mb
03/01/2011 Annual Report 2010 Annual Report Bureau of Reclamation Report on Monitoring and Implementation Activities Associated with the USFWS 2005 Biological Opinion For Operation and Maintenance of the Bureau of Reclamation Projects in the Snake River Basin above Brownlee Reservoir PDF 2.09 mb
03/01/2010 Annual Report 2009 Annual Report Bureau of Reclamation Report on Monitoring and Implementation Activities Associated with the USFWS 2005 Biological Opinion for Operation and Maintenance of the Bureau of Reclamation Projects in the Snake River Basin above Brownlee Reservoir PDF 2.5 mb
03/01/2009 Annual Report 2008 Annual Report Bureau of Reclamation Report on Monitoring and Implementation Activities Associated with the USFWS 2005 Biological Opinion for Operation and Maintenance of the Bureau of Reclamation Projects in the Snake River Basin above Brownlee Reservoir PDF 2.7 mb
03/01/2008 Annual Report 2007 Annual Report Bureau of Reclamation Report on Monitoring and Implementation Activities Associated with the USFWS 2005 Biological Opinion for Operation and Maintenance of the Bureau of Reclamation Projects in the Snake River Basin above Brownlee Reservoir PDF 2.44 mb

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Boise River Basin
Date Published Type Title
12/01/2008 Sampling Permit Report Technical Report for Idaho Department of Fish and Game Permit No. F-10-99. Boise and Deadwood River Bull Trout (Salvelinus confluentus) Monitoring Activities 2008. PDF 553 kb
12/01/2006 Sampling Permit Report Technical Report for Idaho Department of Fish and Game Permit No. F-10-99. Boise River and Deadwood River Bull Trout Monitoring and Mitigation Activities 2006. PDF 1.24 mb
09/01/2004 Technical Report Technical Report for Upper Snake River Biological Opinion #1009.2700. Distribution, Abundance, and Influence of Habitat Conditions for Bull Trout (Salvelinus confluentus) in the North Fork Boise River Basin, Idaho. PDF 590 kb
09/01/2004 Technical Report Technical Report for Arrowrock Dam Biological Opinion #1009.0405 OALS #00-912 and Upper Snake River Biological Opinion # 1009.2700. Inferences from Weir Counts of Population Size and Environmental Influence on Migration Timing forAdfluvial Bull Trout (Salvelinus confluentus). North Fork and Middle Fork Boise River Summary 1999-2004. PDF 806 kb
09/01/2004 Technical Report Technical Report for Arrowrock Dam Biological Opinion #1009.0405 OALS #00-912 and Upper Snake River Biological Opinion # 1009.2700. Movement and Mortality Patterns of Adult Adfluvial Bull Trout (Salvelinus confluentus) in the Boise River Basin Idaho Interim Summary Report for the Arrowrock Dam Valve Replacement Project. PDF 1.82 mb
09/01/2004 Technical Report Technical Report for Upper Snake River Biological Opinion# 1009.2700. Population Structure and Movement Patterns of Adfluvial Bull Trout (Salvelinus confluentus)in the North Fork Boise River Basin, Idaho. Master of Science Thesis. PDF 785 kb
09/01/2004 Technical Report Technical Report for Upper Snake River Biological Opinion # 1009.2700. Distribution and Abundance of Bull Trout (Salvelinus confluentus) in the Middle Fork Boise River Basin, Idaho. Summary Report 2001-2003. PDF 8.53 mb
09/01/2004 Technical Report Technical Report for Arrowrock Dam Biological Opinion #1009.0405 OALS #00-912. Trap and Transport of Bull Trout From Lucky Peak Reservoir to Arrowrock Reservoir, Idaho. Summary Report for Years 2000 - 2004. PDF 889 kb
09/01/2004 Technical Report Technical Report for Upper Snake River Biological Opinion #1009.2700. Distribution and Abundance of Bull Trout (Salvelinus confluentus) in the Middle Fork Boise River Basin, Idaho Summary Report 2004. PDF 1.25 mb
09/01/2004 Technical Report Technical Report for Arrowrock Dam Biological Opinion #1009.0405 OALS #00-912 and Upper Snake River Biological Opinion # 1009.2700. Arrowrock Dam Outlet Works Rehabilitation Endangered Species Monitoring and Mitigation Project. Compilation of 2004 Monthly Summaries for Radio Telemetry Investigations for Listed Bull Trout(Salvelinus confluentus). PDF 4.21 mb
09/01/2004 Technical Report Technical Report for Arrowrock Dam Biological Opinion #1009.0405 OALS #00-912 and Upper Snake Biological Opinion # 1009.2700. Arrowrock Dam Outlet Works Rehabilitation Endangered Species Monitoring and Mitigation Program. Compilation of 2003 monthly summary reports for radio telemetry investigations for bull trout (Salvelinus confluentus). PDF 2.28 mb

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Payette River Basin
Date Published Type Title
01/01/2010 Sampling Permit Report Technical Report for Idaho Department of Fish and Game Permit No. F-02-07-09. 2009 Boise and Deadwood River Bull Trout (Salvelinus confluentus) Monitoring Activities PDF 825 kb
12/01/2007 Sampling Permit Report Technical Report for Idaho Department of Fish and Game Permit No. F-10-99. 2007 Deadwood River Bull Trout Monitoring Activities. PDF 1.23 mb
12/01/2006 Sampling Permit Report Technical Report for Idaho Department of Fish and Game Permit No. F-10-99. 2006 Boise River & Deadwood River Bull Trout Monitoring and Mitigation Activities. PDF 590 kb
12/01/2005 Sampling Permit Report Technical Report for Idaho Department of Fish and Game Permit No. F-10-99. 2005 Deadwood River Bull Trout Investigation. PDF 296 kb
09/01/2004 Technical Report Technical Report for Upper Snake River Biological Opinion #1009.2700. 2004 Deadwood River Bull Trout Fisheries Surveys. PDF 1.11 mb
09/01/2004 Technical Report Technical Report for Upper Snake River Biological Opinion #1009.2700. 2003 Deadwood River Bull Trout Fisheries Surveys.PDF 1.15 mb

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Malheur River Basin
Date Published Type Title
06/01/2015 Technical Report Beulah Reservoir Minimum Pool and Prey Base Studies 2010-2013: Part 1 Prey Base PDF 2.50 mb
06/01/2015 Technical Report Beulah Reservoir Minimum Pool and Prey Base Studies 2010-2013: Part 2 Bioenergetics, Population Sustainability PDF 1.95 mb
12/01/2004 Technical Report Evaluation of Native Salmonids in the Malheur Subbasin FY-2004 Annual Report PDF 1.14 mb
12/01/2003 Technical Report Evaluate the Life History of Native Salmonids in the Malheur Subbasin – FY 2003 Annual Report PDF 4.38 mb
08/01/2003 Technical Report Conditions for Growth and Survival of Bull Trout in Beulah Reservoir Oregon, 2002 Annual Report PDF 376 kb
12/01/2002 Technical Report Evaluation of the Life History of Native Salmonids in the Malheur River Basin Annual Report 2002-2003PDF 370 kb

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