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Serving Septage Haulers in the King County area

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For more information about the DNRP Septage Disposal Program, please contact Chris Tinnin, Septage Coordinator

Wastewater Treatment Division
South Plant Treatment Facility
1200 Monster Road S.W.
Renton, WA 98057

Get Directions to our plant location in Renton, Washington

Acceptable wastes

According to King County Code 28.84.050 and the conditions contained in the required permit for disposal at the King County South Treatment Plant septage facility in Renton, the following items are accepted:

Domestic Septage
Chemical Toilet Waste
Cesspool Waste
Privy Contents
Liquid waste collected from the collection system that serves the South, West Point, Carnation or Brightwater treatment plants.
Commercial Wastes that have been pre-approved.

King County reserves the right to refuse waste suspected of not meeting its standards.

Related information

Updated: Jan. 10, 2012

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