skip to main content
Aquatic plants

Find comprehensive services, data and information related to lakes in King County, Washington.

To offer a suggestion or report an error on the King County lakes website, please contact Fred Bentler, webmaster.
King County, Washington lakes

Project reports & plans
Hydrilla Eradication Project

Main | Summary | History | Reports | Info

Annual reports by the King County Department of Natural Resources and Parks for the Washington State Department of Ecology.

  • 2009 Annual Report  [PDF, 825 KB]
  • 2008 Annual Report  [PDF, 462 KB]
  • 2007 Annual Report  [PDF, 461 KB]
  • 2006 Annual Report  [PDF, 543 KB]
  • 2005 Annual Report  [PDF, 1.23 MB]
  • 2004 Annual Report  [PDF, 830 KB]
  • 2003 Annual Report  [PDF, 424 KB]

    • August 2004 hydrilla survey (343KB Acrobat file)
    Aerial photo shows of Pipe and Lucerne Lakes showing known locations of hydrilla in 2004.

    Integrated Aquatic Vegetation Management Plan (382KB Acrobat file)
    The plan to manage aquatic vegetation in Pipe and Lucerne Lakes, published May, 2004.

    For questions about aquatic weeds and lakes in King County, please contact Sally Abella, senior engineer, Lake Stewardship Program.

    Related information

    Related agencies

    News and announcements

    Oct. 21, 2009
    Hydrilla considered eradicated in two King County lakes after lengthy battle