PUBLIC NOTICE DETERMINATION OF NONSIGNIFICANCE WAC 197-11-970 Project Name: Port of Tacoma Blair Waterway Berth Deepening Description: Deepen berthing areas at Washington United Terminals (WUT) and Husky Terminal (Piers 3 and 4) from -51 to -57 feet MLLW, with a 2-foot overdredge allowance to a maximum depth of -59 feet MLLW. Includes dredging the WUT and Husky berths within the Blair Waterway, installing toe walls to stabilize slope segments, and replacing existing fenders. A total of approximately 315,000 cubic yards (CY) of material will be dredged and disposed of, and approximately 14,000 CY of riprap may be replaced. Dredged material will be disposed of at the Commencement Bay open-water site, a beneficial use site, or an upland facility. Proponent: Port of Tacoma Location: Husky Terminal at 1101 Port of Tacoma Road, and Washington United Terminal (WUT) at 1815 Port of Tacoma Road, Tacoma, Washington 98421, Pierce County. The Project is situated in Section 27SE, 27SW, 34NE, 35NW, 35SE, 35SW, and 36SW, Township 21N, Range 03E, and Section 2NE and 1NW, Township 20N, Range 03E of the Willamette Meridian. Lead agency: Port of Tacoma , the lead agency for this proposal, has determined that the project does not have a probable significant adverse impact on the environment. An environmental impact statement (EIS) is not required under Revised Code of Washington (RCW) 43.21C.030(2)(c). This decision was made after review of a completed environmental checklist and other information on file with the lead agency. Comments: This Determination of Non-Significance (DNS) is issued under Chapter 197-11340(2) Washington Administrative Code (WAC). Pursuant to Port policy, all interested parties shall have 14 calendars days to comment on the proposed SEPA threshold determination. The lead agency will not act on this proposal for 14 days from the start date of the comment period described below. Comments shall be submitted to the Port of Tacoma, Environmental Programs, C/O Heather Curbow at One Sitcum Plaza, Tacoma, WA 98421 Additional project and/or State Environmental Policy Act is available at the Port's website at http://www.portoftacoma.com/sepa. Comment Start Date: 1/1/2026 Comment End Date: 1/15/2026 IPL0302371 Jan 2 2026