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Aerial photos of the five treatment plants
August 11, 2022

Celebrating our award-winning treatment plants

All five of King County’s wastewater treatment plants received 2021 National Association of Clean Water Agency’s Peak Performance Awards, honoring multiple consecutive years of compliance with state and federal effluent permit limits.
August 1, 2022

Brightwater Public Art: Grandfather’s Wisdom

The carved and painted cedar sculpture, originally constructed in 2012, has been a centerpiece at the site for the last decade. Now, Artist Andrea Wilbur-Sigo is continuing her work to restore the large-scale sculptural installation at her studio.
July 28, 2022

Flying Solo

The use of an RPAS—or Remotely Piloted Aircraft System—by the County began about six years ago, but it is only recently that WTD came to own and operate our own devices.