National Mall Fuel Cleanup Efforts Underway After Underground Pipeline Rupture.
WASHINGTON (AP) — An extensive environmental remediation operation is now in progress on the National Mall. WHAT A ruptured underground pipeline fueled a significant leak of diesel fuel. WHEN The spill was first detected on Tuesday morning during a routine inspection. WHERE The contamination zone extends beneath the grassy expanse between the Washington Monument and the Lincoln Memorial Reflecting Pool. WHY Officials are prioritizing soil and groundwater extraction to prevent the plume from reaching the tidal basin and endangering migratory waterfowl. HOW Army Corps of Engineers personnel, using specialized vacuum trucks and soil vapor extraction units, have erected a 200-meter containment berm. The National Mall fuel cleanup efforts are expected to continue for at least three weeks, with visitors being rerouted to perimeter walkways. The National Park Service has confirmed there is no immediate threat to public health, though a 50-foot exclusion zone remains in effect.