States / District of Columbia / Superfund
Superfund Sites in District of Columbia
1 site on the EPA National Priorities List, including sites already cleaned up.
WASHINGTON NAVY YARD · WASHINGTON NAVY YARD EPA record →CURRENTLY ON THE FINAL NPL
Source: EPA Superfund Enterprise Management System (SEMS), National Priorities List. A site's presence here — including sites marked "deleted" (cleanup complete) — is historical fact, not a current danger rating.