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Timeline: Lincoln Memorial Reflecting Pool Photos Before and After

Algae returned within days, even after the resurfacing was completed and the pool reopened, officials said.

  • The Lincoln Memorial Reflecting Pool has turned bright chartreuse green again, despite an administration-led $14.8 million renovation earlier this month aimed at achieving an "American Flag blue" surface.
  • Structural issues from the pool's construction on unstable mudflats continue causing leaks, while summer heat and the Tidal Basin's algae-prone water have long fueled algal blooms at the landmark.
  • That project cost taxpayers at least $16.4 million and included a nanobubbling system intended to kill algae, yet the pool now sits hidden under 18 to 30 inches of swamp water dense with algae plumes.
  • Workers poured hydrogen peroxide into the water yesterday to clear the hue, while Martin stated on June 10 that the green color represents merely "residual algae from the supply lines."
  • Judy Scott Feldman, president of the National Mall Coalition, criticized the project's aesthetic goals, telling CNN: "It's not supposed to look like you're going to dive in and swim.
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Renovation of Reflecting Pool cost $14.2 million, seven times more than expected. But algae remain and celebrations of the 250th anniversary of the United States are approaching

·Milan, Italy
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BBC News broke the news in United Kingdom on Tuesday, June 16, 2026.
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