Visitors observed National Park Service employees using vacuums to clean the Lincoln Memorial Reflecting Pool in Washington D.C. on June 20, 2026. The pool, which underwent a multimillion-dollar renovation earlier this year, became a topic of controversy after President Trump claimed that sabotage had occurred.
On Truth Social, President Trump announced that the United States Park Police had arrested several individuals in connection with the vandalism. He referred to these actions as serious crimes resulting in damage to national monuments, insisting that repairs would begin immediately. Trump amplified these claims by describing further arrests but did not provide any evidence of the alleged damage. As of publication, neither the Park Police nor other agencies confirmed any arrests.
A specific incident involved Maryland resident David Hearn, a former Olympian arrested for allegedly destroying government property. Hearn contested the charge, asserting that he only touched dislodged pieces in the pool. Trump indicated that the pool would be drained and repaired, framing the incident as an offense against American history.
Trump detailed the damage, claiming a 250-foot gash was made in the pool lining with a knife, and chemicals had been poured into the pool. However, experts attribute the pool’s green discoloration to an algae bloom caused by Desmodesmus, a common occurrence in sun-exposed water bodies, potentially accelerated by renovation disturbances.
The Reflecting Pool’s renovation aimed to transform its floor to an “American flag blue” shade by the 250th anniversary of the Declaration of Independence. Costs escalated beyond the initial $2 million estimate to approximately $14 million. A Virginia contractor received a no-bid contract while an Ohio company obtained $1.7 million to apply nanobubble ozone technology against algae growth.
A legal dispute arose from the Cultural Landscape Foundation, challenging the absence of historic preservation reviews. The case remains unresolved following project completion. Despite speculation about vandalism, the White House did not present evidence of vandal-induced discoloration or structural damage.

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