Environmental Information Aug 24, 2026 - 08:04 AM EDT The Metropolitan Washington Airports Authority (MWAA) conducts a wide variety of environmental studies to identify potential environmental impacts associated with proposed development projects. These studies are done in accordance with the National Environmental Policy Act (NEPA) of 1969, the regulations of the President's Council on Environmental Quality (CEQ) for NEPA compliance, and Federal Aviation Administration (FAA) Orders 1050.1F and 5050.4B. Read More
Notice of Floodplain Encroachment - North Airfield LOI Project, Airfield Improvements Ronald Reagan Washington National Airport May 21, 2021 - 03:43 PM EDT The Metropolitan Washington Airports Authority (Airports Authority) proposes to implement a series of airfield improvements (the Proposed Action) at Ronald Reagan Washington National Airport (DCA or the Airport) in Arlington County, Virginia. Ground disturbance associated with the Proposed Action would be completed within the 100-year floodplain, as identified on the August 19, 2013 Federal Emergency Management Agency (FEMA) Federal Insurance Rate Map No. Read More
Notice of Public Scoping Workshop - Environmental Assessment for Western Solar Development Washington Dulles International Airport Jan 18, 2021 - 05:54 PM EST The Metropolitan Washington Airports Authority (Airports Authority) is preparing an Environmental Assessment (EA) to consider the potential environmental effects associated with the Western Solar Development (Proposed Action) at Washington Dulles International Airport (Airport). Read More
Notice of Availability, September 2020 Sep 11, 2020 - 06:33 PM EDT Final Supplemental Environmental Assessment and Finding of No Significant Impact for Terminal B/C Redevelopment, Secure National Hall, and Related Improvements to Include Relocatable Employee ParkingRonald Reagan Washington National Airport Read More
Public Notice, August 2020 Aug 12, 2020 - 03:36 PM EDT NOTICE OF PUBLIC SCOPING WORKSHOPEnvironmental Assessment for Roadway Network ImprovementsRonald Reagan Washington National Airport Read More
Public Notice, May 2020 Apr 7, 2021 - 03:15 PM EDT RONALD REAGAN WASHINGTON NATIONAL AIRPORTDRAFT SUPPLEMENTAL ENVIRONMENTAL ASSESSMENTTERMINAL B/C REDEVELOPMENT, SECURE NATIONAL HALL, AND RELATED IMPROVEMENTS Public Notice Read More
Public Notice, May 2020 Jul 29, 2020 - 04:19 PM EDT RONALD REAGAN WASHINGTON NATIONAL AIRPORTDRAFT SUPPLEMENTAL ENVIRONMENTAL ASSESSMENTTERMINAL B/C REDEVELOPMENT, SECURE NATIONAL HALL, AND RELATED IMPROVEMENTS Public Notice Read More
Responsible Business Jul 15, 2026 - 08:13 AM EDT The Airports Authority is proud to present its 2025 Elevating Impact report. This annual publication highlights the organization’s performance during 2025 and demonstrates how we continue to create lasting value for the communities we serve, the Dulles Toll Road, Ronald Reagan Washington National Airport and Washington Dulles International Airport. Read More
Public Notice: March 22, 2018 Mar 22, 2018 - 11:10 AM EDT METROPOLITAN WASHINGTON AIRPORTS AUTHORITY FINAL PROGRAMMATIC ENVIRONMENTAL ASSESSMENT AND FINDING OF NO SIGNIFICANT IMPACT FOR THE WESTERN LANDS AREA AT WASHINGTON DULLES INTERNATIONAL AIRPORT DULLES, VIRGINIA Read More
Public Notice, December 7, 2017 Dec 7, 2017 - 04:37 PM EST PUBLIC NOTICE OF AVAILABILITY AND PUBLIC WORKSHOP METROPOLITAN WASHINGTON AIRPORTS AUTHORITY DRAFT PROGRAMMATIC ENVIRONMENTAL ASSESSMENT FOR THE WESTERN LAND AREA AT WASHINGTON DULLES INTERNATIONAL AIRPORT DULLES, VIRGINIA Read More
Public Notice, September 20, 2017 Oct 4, 2017 - 12:22 PM EDT Notice of Public Scoping Workshop Environmental Assessment for Roadway Network Improvements and Associated Development Ronald Reagan Washington National Airport Read More