The Lincoln Memorial Reflecting Pool is plagued by significant algae blooms following a $16 million taxpayer-funded renovation project.National Park Service crews are currently deploying ozone nanobubble technology and hydrogen peroxide to manage the infestation after the basin was repainted.The project has drawn criticism for its non-competitive bidding process and the persistent failure of its environmental mitigation strategies.Researchers warn that the shallow water and heat will continue to challenge maintenance efforts throughout the summer season.