Jon Stewart Questions Algae Issue in Lincoln Memorial Pool

WHO:

Variety - Jon Stewart questioned the oversight of President Trump regarding the algae issue in the Lincoln Memorial Reflecting Pool.

Variety - Jon Stewart is the host of "The Daily Show" and discussed the algae issue.

TMZ - Workers were involved in retesting the Lincoln Memorial Reflecting Pool for algae.

WHAT:

Variety - Jon Stewart opened the episode of "The Daily Show" by referencing CNN soundbites regarding the algae issue in the Lincoln Memorial Reflecting Pool.

Rolling Stone - Jon Stewart humorously remarked, “If you’re like me, when you first heard the reflecting pool had algae, you probably thought to yourself, ‘I hope the president of the United States is personally involved with overseeing this.'”

Rolling Stone - Jon Stewart humorously suggested, “Did they replace the water with Mountain Dew?” in reference to the algae problem.

Variety - The Lincoln Memorial Reflecting Pool is infested with algae due to high phosphate levels.

TMZ - The pool is undergoing scientific testing for algae after renovations.

WHERE:

Variety - The issue pertains to the Lincoln Memorial Reflecting Pool located in Washington, D.C.

WHY:

Variety - The high phosphate levels in the water invited a significant algae bloom.

HOW:

TMZ - Workers were observed conducting tests around the Lincoln Memorial Reflecting Pool on a Monday, indicating ongoing scientific scrutiny of the water quality.

TMZ - Workers were observed conducting tests around the Lincoln Memorial Reflecting Pool on a Monday.

TMZ - Workers were seen roaming the perimeter of the Lincoln Memorial Reflecting Pool to conduct tests.

(UPDATED June 23, 2026 15:55 UTC)

Jon Stewart kicked off the latest episode of "The Daily Show" by referencing CNN soundbites about the algae problem in the Lincoln Memorial Reflecting Pool. He humorously quipped that many might hope the president of the United States is personally overseeing the situation. Meanwhile, workers were seen conducting tests around the Reflecting Pool, highlighting the ongoing scientific scrutiny of the water quality.

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(UPDATED June 23, 2026 09:56 UTC)

Jon Stewart has raised concerns about President Trump's oversight of the algae problem in the Lincoln Memorial Reflecting Pool, questioning the situation with a touch of humor. He jokingly asked, “Did they replace the water with Mountain Dew?” as workers were seen conducting tests around the pool earlier this week. The algae issue has sparked attention, prompting discussions about the maintenance of this iconic site.

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(UPDATED June 23, 2026 06:23 UTC)

Jon Stewart, the host of "The Daily Show," recently discussed the algae issue affecting the Lincoln Memorial Reflecting Pool in Washington, D.C. The pool is currently undergoing scientific testing due to an infestation of algae, which has been linked to high phosphate levels in the water. Workers have been spotted around the perimeter conducting retesting following recent renovations to address this significant environmental concern.