Pierce County Planning and Public Works Pierce County Planning & Public Works, 2702 S 42nd St Ste 109 Tacoma, WA 98409-7315, is seeking coverage under the Washington State Department of Ecology's Construction Stormwater NPDES and State Waste Discharge General Permit. The proposed project, Pierce County Airport - Thun Field, is located at 16715 103rd Avenue Ct E in Puyallup in Pierce County. This project involves up to 37 acres of soil disturbance for Highway or Road, Other (Airfield Reconstruction) construction activities. Most discharges infiltrate on site. Some discharges and runoff may go to ground water. The receiving water is Horse Haven Creek. Any persons desiring to present their views to the Washington State Department of Ecology regarding this Application, or interested in Ecology's action on this Application, may notify Ecology in writing no later than 30 days of the last date of publication of this notice. Ecology reviews public comments and considers whether discharges from this project would cause a measurable change in receiving water quality, and, if so, whether the project is necessary and in the overriding public interest according to Tier II anti-degradation requirements under WAC 173-201A-320. Comments can be submitted to: ecyrewqianoi@ecy.wa.gov, or ATTN: Water Quality Program, Construction Stormwater Washington State Department of Ecology P.O. Box 47696 Olympia, WA 98504-7696 IPL0344059 May 28,Jun 4 2026