Olympic Invasives Working Group 2019 Annual Report Bohemian knotweed on the sand spit at the mouth of the Hoko River. Report Prepared by Clallam County Noxious Weed Control Board A patch of knotweed contiguous to a previous treatment site (dead stalks visible in the foreground) that CCNWCB staff was finally able to treat in 2019 with new permission. Report prepared by Shea McDonald Cathy Lucero Clallam County Noxious Weed Control Board January 2020 223 East 4th Street Ste 15 Port Angeles WA 98362 360-417-2442 [email protected] http://www.clallam.net/weed/projects.html This report can also be found at http://www.clallam.net/weed/annualreports.html CONTENTS EXECUTIVE SUMMARY ............................................................................................................ 1 PROJECT DESCRIPTION .......................................................................................................... 7 2019 PROJECT ACTIVITIES ...................................................................................................... 7 2019 PROJECT PROTOCOLS ................................................................................................. 11 OBSERVATIONS AND CONCLUSIONS .................................................................................. 14 2020 PROJECT PRIORITIES INCLUDE ................................................................................... 15 RECOMENDATIONS ................................................................................................................ 16 PROJECT ACTIVITIES BY WATERSHED ................................................................................ 18 CLALLAM COUNTY ...........................................................................................................18 Dickey River .......................................................................................................................20 Calawah River ...................................................................................................................20 Bogachiel River ..................................................................................................................21 Quillayute River..................................................................................................................22 Sol Duc River and tributaries..............................................................................................22 Lake Creek and Lake Pleasant ..........................................................................................23 Forks ..................................................................................................................................24 Hoko River .........................................................................................................................26 Sekiu River ........................................................................................................................26 Highway 112 ......................................................................................................................28 Sekiu and Clallam Bay .......................................................................................................28 Clallam River .....................................................................................................................29 Pysht River ........................................................................................................................30 Deep Creek ........................................................................................................................30 Salt Creek ..........................................................................................................................31 Elwha River ........................................................................................................................31 Dry Creek...........................................................................................................................32 Valley Creek ......................................................................................................................33 Peabody Creek ..................................................................................................................34 Ennis Creek .......................................................................................................................34 Lees Creek (E Fork Lees Creek) ........................................................................................35 Morse Creek and Waterfront Trail ......................................................................................35 Bagley Creek .....................................................................................................................35 Dungeness River ...............................................................................................................37 Bell Creek ..........................................................................................................................38 Clallam County Road Department: .....................................................................................39 EAST JEFFERSON COUNTY ...............................................................................................40 Port Townsend Area: .........................................................................................................40 Big Quilcene River .............................................................................................................42 Tarboo Creek .....................................................................................................................44 Little Quilcene River ...........................................................................................................44 Spencer Creek ...................................................................................................................45 Dosewallips River ..............................................................................................................46 Duckabush River ................................................................................................................47 MASON COUNTY .............................................................................................................48 Tahuya River .....................................................................................................................48 Union River ........................................................................................................................49 Dewatto River ....................................................................................................................50 Skokomish River ................................................................................................................50 Mason County Sites: Mission, Little Mission, Sherwood, Finch, Stimson, Coulter, Mill, and Goldsborough Creeks, assorted Hood Canal waterfront sites, and the towns of Allyn, Belfair, North Bay and Shelton ...........................................................................................51 KITSAP COUNTY .............................................................................................................55 Big Anderson Creek ...........................................................................................................55 Big Beef Creek ...................................................................................................................56 WEST JEFFERSON COUNTY AND GRAYS HARBOR COUNTY ....................................................57 Quinault River ....................................................................................................................57 Queets-Clearwater River ....................................................................................................58 Hoh River ...........................................................................................................................60 Goodman Creek.................................................................................................................62 Wynoochee River ...............................................................................................................63 Table 1: Work by County-by Watershed .................................................................................... 64 Appendix I: Contact Information ................................................................................................ 72 Appendix II: WSDA Approved Report Form .............................................................................. 73 Appendix III: Season Work Summary Reporting Form .............................................................. 75 Maps, Tables, and Appendices MAPS: Overview Map of the Olympic Peninsula……………………………………………………………………….……2 Overview Map of West Clallam County………………………………………………………………………………3 Overview Map of East Clallam and East Jefferson Counties………..……………………………….………4 Overview Map of Mason and Kitsap Counties…………………………………………………………………..…5 Overview Map of West Jefferson and Grays Harbor Counties….………………………………………….6 Quillayute River System Overview Map…………………………………………………………………………....18 Big River, Umbrella Creek, Sekiu River, Clallam River, and Hoko River Overview Map…………...25 Clallam Bay and Sekiu Overview Map..................................................................................28 Port Angeles Overview Map................................................................................................33