Rates & fees
The following rates and fees are for 2022
||14.5 cents per gallon*
We weigh each load and charge $0.0173861 per pound discharged. This covers domestic septic tank waste and portable toilet waste, up to 2% solids.
Annual fee: $200/year/truck
|*Note: the disposal rate includes 1.0 cent per gallon on-going surcharge to provide funds for Public Health-Seattle and King County to respond to failing on-site sewage systems (OSS), provide technical support to property owners with OSS, identify and repair prioritized OSS failures, continue “what not to flush” education and outreach, and improve industry reporting.|
For more information about the DNRP Septage Disposal Program, please contact:
Building and Grounds Supervisor & Septage Coordinator