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This page lists environmental documents prepared by the King County Wastewater Treatment Division that are currently available for public review.

You may view and download an electronic copy of each listed document by clicking on the associated link. The listed documents are mainly threshold determinations and checklists prepared under the Washington State Environmental Policy Act (SEPA statute, RCW 43.21C; SEPA Rules, WAC 197-11). Other environmental documents prepared by the Wastewater Treatment Division, such as documents prepared under the National Environmental Policy Act (NEPA), may also be listed.

Information on how to provide comments on each document listed below is included in the document. The document, including this information, may be viewed by clicking on the link provided for the document.

Local, state and federal regulations mandate the ways in which agencies must notify the public that environmental documents are available for public comment. These may include mailings, signs and/or newspaper notices. The Wastewater Treatment Division typically makes the documents available in local libraries and upon request. This web site is another way in which the division provides notice and copies of these documents.

Environmental documents currently available for review

Only documents currently available for public comment are listed. If the list is empty, no documents are currently available for comment.

Summary of proposed project

The King County Wastewater Treatment Division (KCWTD) proposes to build a new vehicle maintenance and staging facility in North Bend, WA. The proposed facility will consist of an approximately 12,000-square-foot building housing a vehicle maintenance shop and crew quarters, and a vehicle maneuvering and parking yard with the capacity for 14 trucks and 13 personal vehicles. The facility may also include a vehicle wash station. The project site will contain a stormwater treatment and infiltration facility and a dense vegetative buffer of existing forest and native landscaping. Project construction is scheduled to begin in late 2017, and the facility is scheduled to open by the end of 2018.

Location of proposal, including street address, if any

The proposed project is located in North Bend, WA, approximately 2 miles east of the city center, between SE 144th Street and SE 146th Street east of 468th Avenue SE. It will occupy King County Parcel Numbers 2267500040 and 2267500030..

Closing date for public comments

May 3, 2017

Submitting comments

Submit comments to Katherine Fischer, Supervisor, Environmental Services, King County Wastewater Treatment Division, 201 South Jackson Street, MS KSC-NR-0505, Seattle, WA 98104-3855.

Contact for further information

Jacob Sheppard, Water Quality Planner, King County Wastewater Treatment Division,, 206-477-5395


DNS announcement and SEPA environmental checklist 

More information (project web site, if available)

Loop® vehicle maintenance facility