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U.S. Domestic7d 18h ago
The Lincoln Memorial reflecting pool in Washington, D.C. turned green due to excessive algae growth after being refilled following a multi-million dollar repainting project.
Washington, D.C.
Who
Trump administration, Secretary of the Interior Doug Burgum, National Park Service, Interior Department, aquatic ecology professor Rosalina Stancheva Christova, swimming pool specialist Steve Goodale
What
The Lincoln Memorial reflecting pool in Washington, D.C. turned green due to excessive algae growth after being refilled following a multi-million dollar repainting project.
When
Wed, 17 Jun 2026 12:00:00 GMT · 7d 18h ago
Where
Washington, D.C. ·
Why
Experts attribute the algae bloom to 'New Pond Syndrome,' shallow stagnant water, strong sunlight, and potential acceleration from the recent renovation's disturbance of nutrients and the new darker surface warming the water.
The Frontline Impact
How this affects you
The algae bloom necessitated mitigation efforts including hydrogen peroxide and nanobubble ozone technology, raising questions about the renovation process and long-term maintenance of the landmark.
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