First Published

Public Notice – Environmental Permit

Purpose of notice: To seek public comment on a draft permit from the Department of Environmental Quality that would allow impacts to wetlands and stream channel in Loudoun County/Fairfax County, Virginia

Public comment period: September 2, 2026 to October 1, 2026

Permit name: Virginia Water Protection Permit issued by DEQ pursuant to applicable water laws and regulations

Applicant Name, address and permit number: Metropolitan Washington Airports Authority; 1 Aviation Circle Washington, DC 20001; VWPP Permit Application No. 26-0072

Project description: The applicant has applied for a new permit for the IAD Terminal Concourse Redevelopment project. The project is located north of the intersection of Stonecroft Blvd and Vortac Road in Chantilly , Virginia . The proposed activity is the extension of the Tier 2 Concourse, construction of the Tier 3 Concourse, central utility plant, and associated infrastructure. The proposed activity would affect 10.65 acres of wetlands, and 7,371 linear feet of stream channel. The proposed activity would affect Cub Run in the Middle Potomac-Anacostia-Occoquan watershed. To compensate for the surface waters affected, the applicant would purchase 10.44 wetland mitigation credits and 4,536 USM stream mitigation credits. DEQ’s tentative decision is to issue the permit.

HOW TO COMMENT AND/OR REQUEST A PUBLIC HEARING: DEQ accepts written comments and requests for public hearing by hand-delivery, e-mail, or postal mail. All comments and requests must be in writing and be received by DEQ during the comment period. Submittals must include the names, mailing addresses or email addresses of the commenter/requester and of all persons represented by the commenter/requester. A request for public hearing must also include: 1) The reason why a public hearing is requested. 2) A brief, informal statement regarding the nature and extent of the interest of the requester or of those represented by the requestor, including how and to what extent such interest would be directly and adversely affected by the permit. 3) Specific references, where possible, to terms and conditions of the permit with suggested revisions. A public hearing may be held, including another comment period, if public response is significant based on individual requests for a public hearing, and there are substantial, disputed issues relevant to the permit.

Contact for public comments, document requests and additional information: Connor Dupree-sood; Northern Regional Office, 13901 Crown Court, Woodbridge, Virginia 22193; Phone: 571-866- 6065; E-mail: connor.dupree-sood@deq.virginia.gov. The public may review the draft permit and application at the DEQ office named above by appointment or may request copies of the documents from the contact person listed above.

Run Date: September 1st, 2026

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