Siskiyou Resource Conservation District

As a Continuation of the Recently Constructed Off Channel Pond, SRCD and the Project Teamwill Complete Restoration Efforts Within the Mainstem and Oxbow Side Channel Area to Improvechannel Function and Enhance Access to Slow Water Habitat Map 1 the Site Is Located 5 75MILES Downstream From the Kidder Creek Confluence and 1 75 Miles Upstream From Theshackleford Creek Confluence Making It a Highly Utilized Reach for Over Summering and Overwinteringsalmonids as Such, CSS Has Developed Conceptual Design Plans With the Followingtreatments Being Recommended to Improve Conditions for Juvenile Life Stages During the Winterand Summer Months Type a LWS Type a Structures Are Designed to Control and Direct Flow Into the Sidechannel Structure Spacing and Locations Is Designed to Split Flow and Direct Flow Thesestructures Will Be Constructed Using 30 to 45 Foot Long Logs and Rootwads Logs Androotwads Will Be Pinned Together Using 1 Diameter Threaded Rod Boulders Will Be Addedto Ballast the Structures and Willow and Cottonwood Cuttings Will Be Placed in Thestructure to Create a Living Structure Logs and Rootwads Will Be Placed on the Constructed Connector Secondary Channel Toprovide Aquatic Habitat, Roughen the Channel and Reduce Shear Stresses and Velocitiesthrough the Channel This Treatment Will Improve Opportunities for Fish Movement,holding, and Temporary Storage of Sediment Wood Will Be Placed and Buried on Bothbanks to Form Permeable Channel Spanning Jams About 10 Cubic Yards of Material Willbe Moved for Each Log Rootwad Placement Logs Rootwads, Will Range in Size From ABOUT25 to About 60 Feet in Length About 1,500 Cy Will Be Excavated From the Bar to Form the Channel the Bottom Width Will Beabout 10 Feet and Side Slopes Will Range From 2 Horizontal to 1 Vertical to 4 Horizontal to 1VERTICAL Bda Construction Three to Five Beaver Dam Analog Bda Structures Will Be Constructedwithin the Mainstem Both Upstream and Downstream of the Side Channel Area Thestructures Are Designed to Enhance Slow Water and Side Channel Conditions, Improveaccess to the Oxbow and Off Channel Pond, and Enhance Fish Passage During Low Flowperiods All Bdas Will Allow for Adult and Juvenile Salmonid Passage and Be Constructedin a Manner So That Each Structure Gives Way Under Winter and Spring High Flowconditions as Such, Annual Maintenance Is Required, and the Project Team Will Completethese Tasks Through the Grant Term the Team Will Also Establish a Monitoring Network Totrack Groundwater Influences Related to Bda Implementation Oxbow Excavation Approximately 20 Cubic Yards of Material Will Be Removed From Thetop of the Oxbow Channel at and Near the Point of Connection to the Off Channel Pond Alimited Amount of Willow Vegetation Will Also Be Removed to Improve Access to the Pondand Reduce Over Crowding Post Implementation Monitoring of the Off Channel Pond Hasdetermined That Connectivity With the Oxbow Can Be Significantly Improved by Reducingthe Elevation of the Connection Point Existing Access Routes Will Be Utilized, and Minimalimpact to Vegetation Is Expected in Addition to the Recommended Restoration Activities, the SRCD Will Complete the Followingdeliverables Riparian Planting Riparian Planting Will Occur Within the Type a Large Wood Structuresand Within the Excavated Side Channel Planting Types Will Include Bundles, Clumps, Andwaddles and Consist of Pacific Willow, Sandbar Willow, and Black Cottonwood Phase Iii Development the SRCD and Project Team Will Develop Conceptual Designsand Subsequent Implementation Proposals for a Forthcoming Phase Iii Restorationcomponent This Project Task Will Tie Into the Finished Phase I and Ii Projects and Becoordinated Between the Project Team, Agency Partners, and the Landowner