Annual Report of the King County Noxious Weed Control Board

Previous Years

• 2021 Annual Report
• 2020 Annual Report
• 2019 Annual Report
• 2018 Annual Report
• 2017 Annual Report
• 2016 Annual Report
• 2015 Annual Report
• 2014 Annual Report
• 2013 Annual Report
• 2012 Annual Report
• 2011 Annual Report
• 2010 Annual Report
• 2009 Annual Report
• 2008 Annual Report
• 2007 Annual Report
• 2006 Annual Report
• 2005 Annual Report
• 2004 Annual Report

County Lands Invasive Plant Survey (CLIPS)

• 2008 Final Report - including figures and appendices (9 MB)
• Map of CLIPS data (select "County Lands Invasive Plant Survey Data" layer)

Cedar River Coordinated Knotweed Control Project

• 2008 Cedar River Knotweed Project WRIA Forum Progress Report (68 KB)

Cottage Lake Integrated Aquatic Vegetation Management Plan

• Cottage Lake Integrated Aquatic Vegetation Management Plan January 2018

Green-Duwamish CWMA Knotweed Project

• 2007 Green River CWMA Invasive Knotweed Control Report (1.8 MB, 4.5 mins)
• 2006 Green River CWMA Invasive Knotweed Control Report (1.1 MB, 3 min)
• 2005 Green-Duwamish Report to Stakeholders (702 KB, 2 min)

Lake Desire Integrated Aquatic Vegetation Management Plan

• Lake Desire IAVMP Final Report December 2011 (7.2 MB)

Sammamish River Integrated Aquatic Vegetation Management Plan

• Sammamish River IAVMP Final Report June 2013 (7.3 MB)

Shadow Lake Integrated Aquatic Vegetation Management Plan

• Shadow Lake Integrated Aquatic Vegetation Management Plan

Snoqualmie-Skykomish CWMA Knotweed Projects

Snoqualmie-Skykomish Invasive Knotweed Control Projects Combined

• 2008 Snoqualmie-Skykomish Invasive Knotweed Control Final WSDA Report (992 KB)

Middle Fork Snoqualmie CWMA Knotweed Project

• 2006 Middle Fork Snoqualmie River WSDA Knotweed Control Grant Final Report (339 KB, 45 sec)

South Fork Skykomish CWMA Knotweed Project

• 2006 South Fork Skykomish CWMA Invasive Knotweed Control Report (283 KB, 40 sec)
• 2005 South Fork Skykomish Report to Stakeholders (496 KB, 1 min)

Snoqualmie River Garden Loosestrife Eradication Project

• 2011 Final Report for the Snoqualmie River Garden Loosestrife Eradication Project (1.8 MB)
  • Appendix A - Maps and Survey Data (8.2 MB)
  • Appendix B - Examples of Letters and Other Outreach Materials (488 MB)
• 2007 Snoqualmie Garden Loosestrife Project Description and Status Report (42 KB, 6 sec)

Please note that these files are in Adobe Acrobat format, so you'll need the Acrobat Viewer to read them.

Related information

• DNRP publications
• Agriculture in King County, Washington
• Northwest yard and garden
• Animals, plants and habitat

Related agencies

• Dept. of Natural Resources and Parks
• Water and Land Resources Division

Program offices are located at 201 S. Jackson St., Suite 600, Seattle, WA 98104. To contact staff, see the Noxious Weed Control Program Directory, send an email, or call 206-477-WEED (206-477-9333).