WASHINGTON — Work crews poured hydrogen peroxide into the newly repainted Lincoln Memorial Reflecting Pool on Tuesday to combat an algae bloom, a little over a week after it was repainted as part of President Donald Trump's campaign to revamp some of Washington's major monuments.
The Lincoln Memorial Reflecting Pool appears green Tuesday in Washington after recent renovations that followed a directive from President Donald Trump to paint it blue ahead of the 250th anniversary of U.S. Independence.
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U.S. National Park Service workers dump bottles of hydrogen peroxide in the Lincoln Memorial Reflecting Pool on Tuesday in Washington, part of efforts to mitigate an algae bloom.
Chemical poured into Lincoln Memorial Reflecting Pool
Crews clean up algae Monday, June 15, 2026, that began to grow in the Lincoln Memorial Reflecting Pool days after the Trump administration’s at least $13 million renovation project that repainted the surface “American Flag Blue."
Crews clean up algae Monday, June 15, 2026, that began to grow in the Lincoln Memorial Reflecting Pool days after the Trump administration’s at least $13 million renovation project.
People visit the Lincoln Memorial Reflecting Pool on Monday, June 15, 2026, in Washington as National Park Service workers use skimmers to clean algae.
Ducks swim Monday, June 15, 2026, in the green waters of the Lincoln Memorial Reflecting Pool in Washington.
National Park Service workers use skimmers to clean algae Monday, June 15, 2026, from the Lincoln Memorial Reflecting Pool in Washington following the completion of recent renovations.
National Park Service workers use skimmers to clean algae from the Lincoln Memorial Reflecting Pool on Monday, June 15, 2026, in Washington after the completion of recent renovations.
A couple sits Monday, June 15, 2026, on the edge of the Lincoln Memorial Reflecting Pool in Washington.
Algae appears Monday, June 15, 2026, in the Lincoln Memorial Reflecting Pool in Washington after the recent completion of renovations.
National Park Service workers use skimmers to clean and pump algae-filled water from the Lincoln Memorial Reflecting Pool on Monday, June 15, 2026, in Washington.
U.S. National Park Service workers dump bottles of hydrogen peroxide in the Lincoln Memorial Reflecting Pool on Tuesday, June 16, 2026, in Washington as part of efforts to mitigate an algae bloom.
U.S. National Park Service workers dump bottles of hydrogen peroxide in the Lincoln Memorial Reflecting Pool on Tuesday, June 16, 2026, in Washington.
A U.S. National Park Service worker dumps jugs of hydrogen peroxide in the Lincoln Memorial Reflecting Pool on Tuesday, June 16, 2026, in Washington.
Foam floats on the surface of the Lincoln Memorial Reflecting Pool on Tuesday, June 16, 2026, in Washington as U.S. National Park Service workers dump in bottles of hydrogen peroxide.
U.S. National Park Service workers dump bottles of hydrogen peroxide in the Lincoln Memorial Reflecting Pool on Tuesday, June 16, 2026, in Washington.
A duck swims Tuesday, June 16, 2026, as a U.S. National Park Service worker dumps bottles of hydrogen peroxide in the Lincoln Memorial Reflecting Pool in Washington.
A U.S. National Park Service worker dumps hydrogen peroxide in the Lincoln Memorial Reflecting Pool on Tuesday, June 16, 2026, in Washington.
National Park Service workers dump bottles of hydrogen peroxide in the Lincoln Memorial Reflecting Pool on Tuesday, June 16, 2026, in Washington.
