(1) Any action to set aside, enjoin, review, or otherwise challenge such action on the grounds of non-compliance with the provisions of Chapter 43.21C RCW (State Environmental Policy Act) shall be commenced by appeal to Board of Commissioners of Coal Creek Utility District on or before December 12, 2025.

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(2) Description of Agency Action:

Determination of Non-Significance with respect to the Coal Creek Utility District Comprehensive Water and Sewer System Plan update.

 

(3) Description of Proposal:

The Comprehensive Water and Sewer System Plan update is a non-project action that addresses the District’s current water system policies and standards in accordance with the District’s framework, analyzes the existing water system and its operations, and recommends improvements to correct deficiencies and meet future service needs. This Plan provides the District with a guide to evaluate the impacts of future proposed development and land use on the water system.

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(4) Location of Proposal:​

The Coal Creek Utility District service area is situated between Renton and Bellevue, east of Lake Washington. It serves portions of Newcastle and Renton, and a small area of unincorporated King County.

The service area is generally bordered by the City of Bellevue (Southeast 69th Street) to the north, the City of Renton to the south, Lake Washington to the west, and Cougar Mountain Regional Wildland Park to the east.

 

The District is located within Sections 27, 28, 29, 33, and 34, Township 24 North, Range 5 East, W.M.

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(5) Type of environmental review under SEPA:

Non-Project Action, SEPA Checklist dated June 25, 2025, and DNS dated November 3, 2025.

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(6) Document Review:

Documents may be examined during regular business hours at: Coal Creek Utility District, 6801 132nd Place SE, Newcastle, WA 98059.

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(7) Public Hearing:

A public hearing will be held on the Determination of Nonsignficance (DNS) at: Coal Creek Utility District, 6801 132nd Place SE, Newcastle, WA 98059 on December 10, 2025, at 2:00 p.m.

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(8) Name of Agency Giving Notice:

Coal Creek Utility District