PUBLIC NOTICE SEPA DETERMINATION (Standard DNS Process) Si necesita ayuda para entender este aviso o necesita más información, por favor llame al Departamento de Desarrollo Comunitario y Económico de la Ciudad de Pasco a 509-545-3441. SEPA Comment Period Deadlines: September 19, 2025 Proposal: Stephen McFadden of the Port of Pasco submitted a non-project action SEPA Checklist on September 12, 2024, for the creation of an airport master plan document. The proposed AIM Center consists of two development areas: AIM 1 contains portions of two parcels in Franklin County: 117010010 and 116570015 (~300 acres); AIM 2 contains portions of two parcels in Franklin County: 116570015 and 113120024 (~160 acres). It is situated within the boundaries of the Tri-Cities Airport northwest of Runway 3L-21R and bisected by Runway 12. The property is located north of Argent Road, East of Road 36, south of the extension of Sandifur Parkway, and west of N. 4th Avenue. The proposal is subject to regulations contained in the Pasco Municipal Code. Public Comment Period: Written comments must be submitted to the Community Development Department by 5:00 p.m. on September 17, 2025. Only comments received by the referenced date will be included in the SEPA record. If you have questions on the proposal, contact the Planning Division at (509) 544-4143 or via e-mail to: watkinse@pasco-wa.gov. Open Record Hearing: A public hearing is not required for the SEPA determination. The SEPA determination has been established administratively by the SEPA administrator. Determination of Completeness: The application has been declared complete for the purpose of processing. Environmental Documents and/or Studies Applicable to this Application: Environmental Determination No. SEPA2024-051 has been assigned to this proposal. The SEPA comment period will end September 19, 2025. A Determination of Non-Significance has been issued for this proposal under (WAC 197-11-340) (2). This may be the only opportunity to comment on the environmental impacts of the proposal or to appeal the State Environmental Policy Act related decision. A copy of the threshold determination and any other information concerning this action may be obtained by contacting the City of Pasco Planning Department. Required Permits: None, this proposal is a visioning document, and any future buildings will have their own site-specific building permits and other required documents at that time. Preliminary Determination of Regulations Used for Project Mitigation: To evaluate the impacts of the proposed project, the following was used for mitigation, consistency, and the development of findings and conclusions: Title 12 (Streets and Sidewalks), Title 16 (Buildings and Construction), Title 25 (Zoning), regulations of the Pasco Municipal Code, and the land use policies contained in the Pasco Comprehensive Plan; Regulations of the Washington State Department of Fish and Wildlife, Washington State Department of Ecology, and Washington State Department of Natural Resources; Other required agency evaluations, approvals, permits, and mitigations as necessary. Estimated Date of the Decision: A DNS was issued on August 20, 2025. The City of Pasco will not act on this proposal for 30 days from the date of issuance. Appeals: You may appeal this threshold determination by submitting an appeal to CED within 30 days of issuance to planning@pasco-wa.gov, via postal mail to PO BOX 293, Pasco, WA 99301, or in person to the CED Planning Division at 525 N 3rd Ave, Pasco, WA 99301. The appeal must be in written form, contain a concise statement of the matter being appealed and the basic rationale for the appeal along with the required fee as provided in Pasco Municipal Code (PMC) 23.35.070. Responsible Official: Haylie Miller, Community and Economic Development Director Phone (509) 544-4136 Address: PO Box 293, Pasco, WA 99301 Prepared August 18, 2025, by: Erik Watkins, Planner I, PO Box 293 Pasco, WA 99301 (509) 544-4143 IPL0265476 Aug 20 2025