President Donald Trump hosted UFC Freedom 250 on the White House South Lawn on June 14, 2026. Weeks later, his administration was still facing criticism over damage to the lawn and a troubled renovation of the nearby Lincoln Memorial Reflecting Pool.
The Reflecting Pool developed heavy algae growth and a peeling blue coating shortly after a renovation costing more than $16 million. By August 7, the pool had been drained again and remained closed while contractors performed additional repairs.
Trump later linked the algae bloom to the shutdown of nanobubble equipment around the UFC event and continued to blame vandals for the damaged coating. Federal prosecutors, however, moved to dismiss the case against former Olympian David Hearn after records indicated rushed, flawed installation work.
UFC Freedom 250 brings seven knockouts to Washington
President Donald Trump hosted UFC Freedom 250 on the White House South Lawn on Sunday, June 14, 2026. The invitation-only event coincided with his 80th birthday and Flag Day and was presented as part of celebrations marking the United States’ 250th anniversary.
The temporary arena centered on a steel production structure called “The Claw.” Published measurements varied during planning and construction, but the completed structure was approximately 90 feet tall and supported a canopy, lighting, video screens and seating for thousands of guests.
All seven fights ended by KO or TKO, including Justin Gaethje’s fourth-round corner-stoppage victory over Ilia Topuria. It was the first UFC event in which every scheduled bout ended by knockout or technical knockout.
Trump links algae bloom to UFC equipment shutdown
President Trump later said the Reflecting Pool’s nanobubble equipment had been turned off because it produced unwanted noise during the White House UFC event. Separate reporting established that the treatment units were taken offline shortly before the event and restored approximately 36 hours later.
An algae bloom began developing while the equipment was offline, but the pool’s problems involved more than a single decision. Experts also pointed to untreated water from the Tidal Basin, summer heat, residual algae in the water system and the pool’s darker new coating.
By August 7, the Reflecting Pool was not open or nearly ready for visitors. It had been drained for another round of repairs, and the National Park Service’s closure notice extended through August 10.
Nanobubble system was part of a new treatment plan
The ozone nanobubble equipment was introduced as part of a new water-treatment project for the Reflecting Pool. It was not a long-established system that had operated throughout the year. Greenwater Services received a separate contract worth approximately $1.7 million for the treatment technology.
The temporary units were taken offline on June 12, shortly before UFC Freedom 250, and an algae bloom began developing within about 24 hours. The equipment was restored, while crews also used hydrogen peroxide and pool-vacuum equipment to remove algae.
The shutdown contributed to the timing of the bloom, but untreated Tidal Basin water, warm weather, residual algae and the heat absorbed by the dark-blue coating also created favorable growing conditions.
Prosecutors move to dismiss David Hearn’s case
President Trump repeatedly blamed vandals for damage to the Reflecting Pool’s new coating. Former Olympic canoeist David Hearn was indicted after he reached into the pool during a June 19 bicycle ride and briefly touched a piece of lining that was already partly detached.
Hearn pleaded not guilty and denied pulling material from the pool. The incident did not occur during a protest demonstration, and available accounts did not establish that he forcefully removed the pool’s bottom lining.
On July 31, federal prosecutors moved to dismiss the case. They said newly obtained Interior Department documents strongly indicated that rushed and flawed installation work caused extensive peeling before Hearn encountered the damaged material.
Trump briefly floated keeping the UFC structure
Before UFC Freedom 250, President Trump suggested that the temporary arena might remain on the White House South Lawn and compared its possible future to the Eiffel Tower, which was originally intended to be temporary.
The suggestion did not become an approved permanent plan. During litigation over the event, a White House official represented that dismantling would begin on June 15, and the arena was subsequently removed from the lawn.
“American Flag Blue” was the name Trump used for the Reflecting Pool’s new coating, not a documented proposal to paint the UFC arena. Washington is also scheduled to host the Freedom 250 Grand Prix, an IndyCar street race, from August 21 to 23, 2026.
Fun fact: The inaugural Freedom 250 Grand Prix is scheduled for August 22–23, 2026, for 250th anniversary celebrations, on a temporary 1.7-mile, seven-turn street circuit around the National Mall in Washington, D.C. It marks the first-ever NTT IndyCar Series race in the nation’s capital.
Reflecting Pool contracts exceeded $16 million
President Trump initially discussed a Reflecting Pool renovation costing approximately $1.5 million. The price increased sharply as the administration awarded additional contracts and expanded the work.
Atlantic Industrial Coatings received a $14.7 million no-bid contract to repaint and waterproof the pool’s concrete floor. Greenwater Services received a separate contract of approximately $1.7 million for the nanobubble water-treatment system, bringing the known total to about $16.4 million.
The total could rise further because the pool was drained for another round of coating repairs. As of August 7, the White House had not publicly established how much the additional work would cost.
Reflecting Pool holds more than a century of history
Construction of the Lincoln Memorial landscape began before the memorial’s 1922 dedication, and workers completed the Reflecting Pool soon afterward. The pool and its elm-lined promenade became defining features of the National Mall during the following century.
On August 28, 1963, Martin Luther King Jr. delivered his “I Have a Dream” speech from the Lincoln Memorial during the March on Washington, with the crowd extending around the Reflecting Pool.
National Park Service guidance states that the Lincoln Memorial receives more than 8 million visitors annually. Trump has also proposed a 250-foot triumphal arch near Memorial Circle and discussed repainting the central fountain basin at the National World War II Memorial.
Fun fact: Trump has also floated a 250-foot triumphal arch near Arlington and a repainted fountain basin at the National WWII Memorial.
Reflecting Pool remains closed for additional repairs
The Lincoln Memorial Reflecting Pool remained drained and closed as of August 7 while contractors repaired the newly installed coating. The National Park Service’s closure notice extended through August 10, although portions of the surrounding area could reopen earlier.
The temporary UFC arena was dismantled after the June 14 event and is no longer standing on the South Lawn. The event damaged sections of the lawn and Ellipse, but the South Lawn has since also become the site of separate work on a permanent Marine One helipad.
Questions remain about the cost and durability of the new pool repairs. The Hearn prosecution is no longer pending in its earlier form because federal prosecutors moved to dismiss the case after concluding that flawed installation caused the extensive peeling.
TL;DR
- UFC Freedom 250 was held on the White House South Lawn on June 14, 2026, coinciding with President Trump’s 80th birthday and Flag Day.
- The Reflecting Pool developed algae after its nanobubble equipment was temporarily taken offline around the UFC event, although untreated water, heat and the darker coating also contributed to favorable algae conditions.
- Trump blamed vandals for the damaged coating, but federal prosecutors moved to dismiss David Hearn’s case after records pointed to rushed and flawed installation.
- Known contracts for the coating and water-treatment system totaled approximately $16.4 million, and the cost of the latest repairs remained undisclosed as of August 7.
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This article was made with AI assistance and human editing.
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