WASHINGTON, DC - NOVEMBER 4: Visitors stop at the edge of the Lincoln Memorial Reflecting Pool on the National Mall on November 4, 2026 in Washington, DC. After President Trump's midterm election-eve speech touting the success of the renovations of the Reflecting Pool, signs of possible quality issues and algae have already begun to appear. (Photo by Samuel Corum/Getty Images)

WASHINGTON, DC - NOVEMBER 04: U.S. President Donald Trump greets construction workers as he departs after an event at the site of the White House ballroom on November 04, 2026 in Washington, DC. During the event, President Trump signed the last remaining steel beam being used in construction of the ballroom. (Photo by Andrew Harnik/Getty Images)

WASHINGTON, DC - NOVEMBER 4: Signs of algae growth can be seen in the Lincoln Memorial Reflecting Pool on the National Mall on November 4, 2026 in Washington, DC. After President Trump's midterm election-eve speech touting the success of the renovations of the Reflecting Pool, signs of possible quality issues and algae have already begun to appear. (Photo by Samuel Corum/Getty Images)

WASHINGTON, DC - NOVEMBER 4: A worker uses a hand skimmer to scoop leaves and other debris out of the Lincoln Memorial Reflecting Pool on the National Mall on November 4, 2026 in Washington, DC. After President Trump's midterm election-eve speech touting the success of the renovations of the Reflecting Pool, signs of possible quality issues and algae have already begun to appear. (Photo by Samuel Corum/Getty Images)

WASHINGTON, DC - NOVEMBER 04: Debris from construction is seen during an event with U.S. President Donald Trump at the site of the White House ballroom on November 04, 2026 in Washington, DC. During the event, President Trump signed the last remaining steel beam being used in construction of the ballroom. (Photo by Andrew Harnik/Getty Images)

WASHINGTON, DC - NOVEMBER 04: U.S. President Donald Trump (R) looks on as U.S. Interior Secretary Doug Burgum signs the last piece of steel to be used in construction of the White House ballroom during an event on November 04, 2026 in Washington, DC. The steel beam was reportedly signed by construction workers who worked on the project. (Photo by Andrew Harnik/Getty Images)

WASHINGTON, DC - NOVEMBER 04: U.S. President Donald Trump (R) looks on as U.S. Interior Secretary Doug Burgum signs the last piece of steel to be used in construction of the White House ballroom during an event on November 04, 2026 in Washington, DC. The steel beam was reportedly signed by construction workers who worked on the project. (Photo by Andrew Harnik/Getty Images)

WASHINGTON, DC - NOVEMBER 04: U.S. President Donald Trump looks on after signing the last piece of steel to be used in construction of the White House ballroom during an event on November 04, 2026 in Washington, DC. The steel beam was reportedly signed by construction workers who worked on the project. (Photo by Andrew Harnik/Getty Images)