Tillman Creek Acquisition #17-1176

Project Propose Protection of Tillman Creek, riparian, wetland, and upland forest habitats Salmonid fish identified: Coho & Rainbow Trout (Mid-C. Steelhead) Life history: spawning (potential)& rearing juveniles Tillman Creek loss of connection to Yakima River (May to fall rains) Flow supplementation from KRD & LaRiviere Creek = full connection to Yakima River Flow supplementation causes flooding of target property No known agreement (in writing) to flood target property (current landowner has verbally agreed)

Acquisition Scenarios

Adjacent Land

Recent Land Use History July 31st, 2005 Agriculture

Recent Land Use History July 9th, 2013 Recreational Access

Current Land Use July 15th, 2014 Fish and Wildlife Habitat

Flow Supplementation Keeping Tillman Connected LaRiviere Creek KRD Spill Agreement KCT Easement Agreement WA State Parks – # E962502KCT1 August 7th, 2015 KCT & Suncadia Environmental Company, LLC March 9th, 2017 2 – 4 cfs of flow, only 5 gpm required for mitigation of ground water uses in the Tillman Basin KCT owns and maintains diversion structure with mitigation payments from water bank transfers Reclamation Agreement No. R16MA13720 – September 30th, 2016 Agreement has no expiration date. Discharge of conserved water into 7 Yakima River Tributaries (including Tillman) Determined on a annual basis (on or before April 1, and as needed throughout the irrigation season)by the Tributary Supplementation Program Committee ***No formal agreement with Landowner regarding flow supplementation and flooding on proposed property for acquisition.

LaRiviere Creek Diversion Data Credit: J. Kohr, WDFW

Threats – Flow Supplementation Landowner support Adjacent landowners Loss of KRD flow supplementation flow Reduction of LaRiviere Creek to just mitigation flows (only 5 gpm required) Converted to agricultural or other uses Loss of WA State Parks support – LaRiviere Creek diversion structure located on Iron Horse Trail ROW

Critical Wildlife Habitat/Corridor

Cost Estimate Item Amount Match SRFB Land $75,012.00 $0 $75,012 Title Report, Appraisal & Appraisal Review $12,636 $636 $12,000 Survey, Boundary Line Adjustment, & Taxes $13,000 $2,000 $11,000 Baseline Inventory, Stewardship Plan, Signs Cultural, & Environmental Assessment $28,500 $20,000 $8,500 KCT Project Management $15,526 KCT A & E $5,100 Total $149,774 $22,138 $127,138