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U.S. Domestic7d 19h ago
The Lincoln Memorial reflecting pool in Washington, D.C., developed algae blooms, turning its water green, following a recent repainting and refilling.
Washington, D.C.
Who
President Trump, Secretary of the Interior Doug Burgum, Steve Goodale, Rosalina Stancheva Christova, Interior Department, National Park Service, Loay Hidmi, Taylor Rogers
What
The Lincoln Memorial reflecting pool in Washington, D.C., developed algae blooms, turning its water green, following a recent repainting and refilling.
When
Wed, 17 Jun 2026 12:00:00 GMT · 7d 19h ago
Where
Washington, D.C. ·
Why
Experts attribute the algae growth to shallow, stagnant water, strong sunlight, and conditions potentially accelerated by the recent renovation's darker pool bottom and disturbed nutrient balance.
The Frontline Impact
How this affects you
The Interior Department is implementing hydrogen peroxide and nanobubble ozone technology, with National Park Service crews vacuuming dead algae, to address the bloom and associated maintenance concerns.
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