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Reflecting Pool Renovation Falters as Algae Return and Blue Coating Peels

The president has accused vandals, prosecutors have made arrests; experts counter that failed coating adhesion plus routine algal regrowth best explain the green water.

Overview

  • A recent, expedited $14.2 million renovation left the Reflecting Pool coated blue and refilled in early June, but within days heavy algal growth returned and large strips of the new coating began to flake.
  • The president has publicly alleged deliberate sabotage, claiming cuts and corrosive chemicals, and federal prosecutors say there have been multiple arrests, citations and about 14 police reports tied to alleged vandalism.
  • Independent experts and on-site journalists say the visible peeling is consistent with adhesion or workmanship failure and that warm, shallow water with nutrients can produce rapid algal regrowth, a pattern seen in the pool before.
  • The Interior Department and National Park Service are treating the water with hydrogen peroxide and a nanobubble-ozone system and are considering further draining and repairs ahead of July 4 events.
  • The project’s no-bid, fast-track contracts to firms linked to Trump associates have drawn procurement and oversight scrutiny, while officials and scientists warn of possible public-health risks such as cyanobacterial toxins and harm to wildlife.