Wash. Rev. Code § 36.58A.020
The county legislative authority proposing to establish a solid waste collection district or to modify or dissolve an existing solid waste collection district shall conduct a hearing at the time and place specified in a notice published at least once not less than ten days prior to the hearing in a newspaper of general circulation within the county. Additional notice of such hearing may be given by mail, posting on the property, or in any manner local authorities deem necessary to notify adjacent landowners and the public. All hearings shall be public and the legislative authority shall hear objections from any person affected by the formation of the solid waste collection district and make such changes in the boundaries of the district or any other modifications of plans that the legislative authority deems necessary.
RCW 36.58A.020
Certain provisions not to detract from commission powers, duties, and functions: RCW 80.01.300.