Natural Resources

Lake Chelan Water Quality

Lake Chelan Water Quality

In 2015, Chelan County Natural Resources received a three-year grant from the Washington Department of Ecology to implement the Lake Chelan Long-Term Monitoring Program. The goal of this effort is to gain an understanding of current conditions and assess long-term water quality trends in Lake Chelan. Such information is critical to support citizen and government objectives to monitor lake quality and make effective water and land use decisions so that the lake will continue to function as a clean water supply source, support recreation and tourist activities, maintain a thriving fishery and sustain diverse wildlife habitat.


Water Quality Infomation:

Invasive species:

Scientific research in Lake Chelan:


Lake Chelan Research Institute


Posted: 10/31/2017 03:03 PM
Last Updated: 04/19/2019 01:47 PM

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Chelan County Calendar

Upcoming events and schedules at the county!

  • 29
    Jun 2023
    09:00 AM - 03:00 PM

    Staff In-Service Training

    Posted by: Community Development

  • 28
    Jun 2023
    06:00 PM - 09:00 PM

    Boundary Review Board Public Hearing - File No. BRB 2023-001

    Posted by: Boundary Review Board

    May 24, 2023: File No. BRB 2023-001

  • 21
    Jun 2023
    01:00 PM - 03:00 PM

    Hearing Examiner - June 21, 2023

    Posted by: Community Development

    By Zoom Video Conference
  • 21
    Jun 2023
    07:00 PM - 09:00 PM

    Planning Commission - June 21,2023

    Posted by: Community Development

    400 Douglas Street
  • 13
    Jun 2023
    07:00 PM - 08:30 PM

    Chelan County Noxious Weed Control Board: June 13, 2023

    Posted by: Noxious Weed Control Board

    2023 second quarter meeting of the Chelan County Noxious Weed Control Board

    Conference Room