Beginning of First 5-Year Review Webster Outlying Field and Completion of Sixth 5-Year Review of Naval Air Station Patuxent River

May 8, 2024

The Department of the Navy and the US Environmental Protection Agency (EPA) Region 3, with concurrence from the Maryland Department of the Environment (MDE), are beginning a Five-Year Review of existing Record of Decision (ROD) documents and ongoing remedial (environmental cleanup) actions at the Webster Outlying Field in St. Mary’s County, Maryland, and completed the Sixth Five-Year Review of existing Record of Decision (ROD) documents and ongoing remedial (environmental cleanup) actions at the Naval Air Station (NAS) Patuxent River in St. Mary’s County, Maryland.

A Five-Year Review is required by Section 121 of Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) for remedial actions which result in any hazardous substances, pollutants, or contaminants remaining at a site at levels that do not allow for unlimited use and unrestricted exposure.

The purpose of the Five-Year Review was to ensure that these remedial actions are providing adequate protection of human health and the environment..


The First Five-Year Review for the Webster Outlying Field contains information on one Munition Response Site:  UXO-0001 Former Aerial Bombing Range. The Navy will submit draft findings of this Five-Year Review to MDE in June 2024. The final report will be made available to the public in September 2024.

The completed Sixth Five-Year Review for the NAS Patuxent River contains information on the following Environmental Restoration Sites:  Site 1 Fishing Point Landfill and Site 12, Landfill Behind Rifle Range, Operable Unit (OU)-1, Site 6/6A, OU-1 – Bohneyard Site, Site 11 OU-1 and OU-2- Former and Current Sanitary Landfills, Site 17, OU-1 – Pesticide Shop (Building 841), Site 31 – Tire Shop Building 307, and Site 39 – Waste Tetrachloroethene (PCE) Storage Area (Building 503). The final report has been reviewed by EPA and MDE and will be made available to the public in April 2024.

Community members who have questions or information about the effectiveness of the remedies and protection of human health and environment are encouraged to contact the Public Affairs Officer: Patrick Gordon, NAS Patuxent River Public Affairs, 22268 Cedar Point Road, Building 409,
Patuxent River, MD 20670-1154, [email protected] 

All relevant environmental documents are available for review at the NAS Patuxent River Public Website, Administrative Record at https://go.usa.gov/xSjbt and the Webster Outlying Field Public Webster, Administrative Record at https://go.usa.gov/xSjbJ