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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

Rates & fees

The following rates and fees are for 2010.

Disposal Rate	10.2 cents per gallon. We weigh each load and charge $0.012230 per pound discharged. This covers domestic septic tank waste and portable toilet waste, up to 2% solids.
Fees	Annual fee: $200/year/truck Initial setup fee: $50/truck