Pool Experts Wade in on How to Fix the Lincoln Memorial Reflecting Pool
Summary
The Lincoln Memorial Reflecting Pool in Washington, D.C., has faced problems with algae growth and sealant peeling after a recent renovation led by President Donald Trump's administration. Experts say these issues are common when refilling stagnant water and suggest long-term solutions like filtration and regular treatment to keep the pool clean ahead of the 250th anniversary of the United States.Key Facts
- The pool was drained and repaired, then coated with a darker sealant called "American flag blue."
- After refilling, the pool quickly developed algae due to stagnant water and exposure to sunlight.
- Water used likely contained chlorine, which when settling, contributed to algae growth.
- The pool has no natural plants or bacteria to balance the water ecosystem.
- Experts say the sun acts as a natural disinfectant but is not enough to prevent algae.
- Bird droppings and wildlife also contribute to the water's contamination.
- Long-term fixes could include filtration systems, UV lighting, or ozone treatment like those used in swimming pools.
- The National Parks Service and Department of the Interior prioritize fixing the pool before the July 4, 2026, anniversary.
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