Aberdeen Proving Ground Edgewood Area

⚠ Superfund · Cleanup underway

Cleanup work is ongoing at several operable units. Current work at APG Edgewood includes several base-wide investigations in addition to work at the Canal Creek, Bush River, Graces Quarters, and the Lauderick Creek Study Areas.

Location

CityEdgewood
CountyHarford County
StateMaryland
Coordinates39.39540, -76.30773

Contaminants of concern

Contaminated media

Cleanup timeline

  1. Initial Assessment Completed — 11/01/1980
  2. Proposed to the National Priorities List — 04/10/1985
  3. Finalized on the National Priorities List — 02/21/1990
  4. Remedial Investigation Started — 03/27/1990
  5. Remedy Selected — 09/27/1991
  6. Remedial Action Started — 06/11/1992
  7. Construction Completed — Not Yet Achieved
  8. Deleted from National Priorities List — Not Yet Achieved
  9. Most Recent Five-Year Review — 12/05/2023
  10. Achieved Sitewide Ready for Anticipated Reuse — Not Yet Achieved

EPA references

Other Superfund sites in Harford County

EPA-regulated facilities nearby

Understanding this Superfund site

Aberdeen Proving Ground Edgewood Area is a federal Superfund site in Maryland. The Superfund program, created by Congress in 1980, addresses sites where hazardous substances have been released or threaten release into the environment. EPA scores potential sites using the Hazard Ranking System; those that score high enough are placed on the National Priorities List.

Current status: Cleanup underway. Active cleanup is underway, meaning EPA has approved a remediation plan and work is in progress. Cleanup timelines vary widely — some sites take decades depending on contamination depth, groundwater involvement, and funding availability.

EPA has identified 10 contaminants of concern at this site, including 1,1,1,2-tetrachloroethane, 1,1,1-trichloroethane, 1,1,2,2-tetrabromoethane. Contamination has been detected in groundwater, soil gas, soil, sediment, surface water, solid waste.

If you live near this site and have health concerns, your state health department can provide site-specific guidance. EPA maintains a community involvement program for most NPL sites, and site documents — including the Record of Decision, five-year reviews, and public health assessments — are typically available through EPA's Superfund site profile.