CATHERINE CREEK REACH ASSESSMENT GRANDE RONDE RIVER BASIN Tributary Habitat Program, Oregon
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THE CATHERINE CREEK REACH ASSESSMENT GRANDE RONDE RIVER BASIN Tributary Habitat Program, Oregon U.S. Department of the Interior Bureau of Reclamation Pacific Northwest Region Boise, Idaho December 2012 U.S. DEPARTMENT OF THE INTERIOR Protecting America's Great Outdoors and Powering Our Future The U.S. Department of the Interior protects America's natural resources and heritage, honors our cultures and tribal communities, and supplies the energy to power our future. MISSION OF THE BUREAU OF RECLAMATION The mission of the Bureau of Reclamation is to manage, develop, and protect water and related resources in an environmentally and economically sound manner in the interest of the American public. Cover Photograph: View of Catherine Creek. Bureau of Reclamation photograph – Catherine Creek Reach Assessment-Grande Ronde River Basin-Tributary Habitat Program, Oregon – July 2012. THE CATHERINE CREEK REACH ASSESSMENT GRANDE RONDE RIVER BASIN Tributary Habitat Program, Oregon U.S. Department of the Interior Bureau of Reclamation Pacific Northwest Region Boise, Idaho December 2012 Acronyms and Abbreviations BPA Bonneville Power Administration CCACF Catherine Creek Adult Collection Facility cfs cubic feet per second DEM digital elevation model ELJ Engineered logjams ESA Endangered Species Act FCRPS Federal Columbia River Power System GRMW Grande Ronde Model Watershed HCMZ Historic channel migration zone HEC-RAS Hydraulic Engineering Center’s River Analysis System LiDAR light distance and ranging LWM large woody material NOAA Fisheries NOAA’s National Marine Fisheries Service NPCC Northwest Power and Conservation Council NRCS Natural Resources Conservation Service ODFW Oregon Department of Fish and Wildlife Reclamation U.S. Bureau of Reclamation RM river mile RPA Reasonable and prudent alternative Tributary Assessment Catherine Creek Tributary Assessment USACE U.S. Army Corps of Engineers VSP Viable salmonids populations WACCIA Washington Climate Change Impacts Assessment CONTENTS Acronyms and Abbreviations Introduction ...................................................................................................... 1 Purpose of this Reach Assessment ................................................................... 2 Reach Assessment Philosophy .......................................................................... 2 Reach Assessment Goals .................................................................................. 3 Using this Document ......................................................................................... 4 Background Information .................................................................................. 4 Limiting Factors .................................................................................................................. 7 Summary of Existing Reports ........................................................................... 7 Regional Scale ..................................................................................................................... 8 Watershed Scale .................................................................................................................. 8 Valley Segment Scale ......................................................................................................... 9 Historical Timeline............................................................................................................ 11 Historical Conditions ....................................................................................... 12 Historical Form ................................................................................................................. 12 Historical Valley and Channel Forms ............................................................................... 13 Reach 4 ................................................................................................... 13 Planform ................................................................................................................ 14 Reach 4 ................................................................................................... 14 Reach 3 ................................................................................................... 14 Historical Instream Structure Form ................................................................................... 15 Reach 4 ................................................................................................... 15 Reach 3 ................................................................................................... 16 Historical Process .............................................................................................................. 16 Hydrology ............................................................................................................. 17 Sediment Transport ................................................................................. 17 Channel Migration .................................................................................. 18 Large Wood Recruitment and Retention............................................................... 19 Riparian Disturbance and Succession ................................................................... 20 Catherine Creek Reach Assessment – Final i CONTENTS (CONTINUED) Existing Conditions ........................................................................................................... 20 Existing Form ........................................................................................................ 22 Channel Dimensions ............................................................................................. 22 Reach 4 ................................................................................................... 22 Reach 3 ................................................................................................... 24 Planform ................................................................................................................ 24 Channel Migration Zone ................................................................................................... 25 Bed Condition ....................................................................................................... 27 Reach 4 ................................................................................................... 27 Reach 3 ................................................................................................... 29 Bank Condition ..................................................................................................... 29 Reach 4 ................................................................................................... 29 Reach 3 ................................................................................................... 31 Forcing Agents ...................................................................................................... 32 Reach 4 ................................................................................................... 32 Reach 3 ................................................................................................... 32 Off-channel Features ............................................................................................. 33 Reach 4 ................................................................................................... 33 Reach 3 ................................................................................................... 34 Floodplain and Riparian Conditions ..................................................................... 34 Existing Physical Processes ............................................................................ 36 Hydrology ......................................................................................................................... 36 Sediment Transport ........................................................................................................... 37 Channel Migration ............................................................................................................ 38 Large Wood Recruitment and Retention........................................................................... 39 Riparian Disturbance and Succession ............................................................................... 40 Differences from Historical Conditions ............................................................................ 40 Planform ................................................................................................................ 41 Reach 4 ................................................................................................... 41 Dams ................................................................................................................ 42 Flood Control ........................................................................................................ 42 Logging ................................................................................................................ 44 Removal of Large Woody Material ...................................................................... 44 Large Pools ........................................................................................................... 45 ii Catherine Creek Reach Assessment – Final CONTENTS (CONTINUED) Agriculture and Irrigation ..................................................................................... 46 Roads and Development ......................................................................................