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King County is committed to recovering and reusing the products of the wastewater treatment process.

Beneficially recycling the treated water and nutrient-rich biosolids and recovering energy from waste gases increases the efficiency of our wastewater treatment plants conserves resources, protects the environment, and saves money.

Learn more about WTD vision, mission, values, and goals

 General information

  Contacts and directions

 Committees

Celebrating 50 years of work to keep our waters clean

Mark Isaacson, WTD Director

Christie True, DNRP Director

Dow Constantine, King County Executive