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A new plan to keep the Reflecting Pool clean – including annual purge of ‘nasty’ muck

Published July 4, 2026 · Updated July 4, 2026 · By James Lopez

A New Plan to Keep the Reflecting Pool Clean – Including Annual Purge of 'Nasty' Muck

A new plan to keep the Reflecting - The Trump administration has launched a comprehensive initiative to address the persistent issues surrounding the Lincoln Memorial Reflecting Pool, a historic landmark on the National Mall. After months of efforts to restore the pool to its original blue hue, as envisioned by President Donald Trump, the Department of Interior has begun seeking bids for a long-term maintenance contractor. This move comes following the pool’s second major renovation of the year, with public records reviewed by CNN revealing the agency’s plans for ongoing care.

Challenges in Maintaining the Iconic Water Feature

The Reflecting Pool has long faced challenges, including the proliferation of algae, a greenish tint to the water, and structural wear such as a chipped bottom. Reports also cite incidents of vandalism, which have added to the maintenance burden. Despite previous attempts to resolve these issues, the pool has remained a point of concern for multiple administrations. The latest round of renovations, scheduled after the July Fourth holiday, aims to tackle these problems head-on.

As part of the cleanup strategy, the National Park Service plans to drain the pool for repairs following Independence Day celebrations. This process will involve inspecting and fixing damage to the lining, a task that has become increasingly urgent due to the pool’s ongoing disrepair. The Department of Interior’s request for bids emphasizes the complexity of the maintenance work, highlighting the need for a contractor capable of handling both daily tasks and seasonal challenges.

High-Tech Solutions to Combat Algae

In addition to traditional cleaning methods, the Trump administration has introduced a cutting-edge system to purify the water. A $1.7 million "ozone nanobubbler" has been installed, designed to release oxygen in the form of bubbles that break down algae and other contaminants. This technology is part of a broader effort to achieve "cleanliness and clarity within the pool" and ensure the longevity of the water treatment infrastructure.

The new contract outlines specific responsibilities for the on-site contractor, who will manage the daily operation of the pool. This includes manually removing debris, animal droppings, and leaves from the surrounding area, as well as inspecting and cleaning filters and skimmers. The contractor is also tasked with disinfecting the pool as needed and addressing any issues with the concrete, grates, steel plates, and valves. Monthly pressure washing of the coping stone around the pool is another component of the maintenance plan.

“For respiratory safety reasons, this material should never be allowed to dry, allowing it to dry makes it an airborne problem,” the request states.

One of the most notable challenges involves the sludge accumulating at the pool’s bottom, described as “slick and nasty” in the bidding documents. Composed of a mix of wet leaves, bird droppings, and other organic matter, this material requires regular removal to prevent it from becoming a health hazard. The annual draining process, which will take place in February or March, is critical for cleaning and inspecting the pool’s foundation.

Contractor Responsibilities and Timeline

The proposed contract, set to commence in August, includes a two-week annual drainage period for thorough cleaning and inspection. This schedule allows for a detailed examination of the pool’s structure, ensuring that any hidden damage is addressed promptly. The contractor’s role extends beyond routine maintenance, encompassing troubleshooting and monitoring the entire water treatment system to maintain its efficiency.

Earlier this month, the administration took an unconventional step by releasing large quantities of hydrogen peroxide into the pool to combat algae blooms. While this measure provided temporary relief, it underscored the growing need for a more sustainable solution. The new bid process aims to streamline these efforts, with a focus on preventing recurring issues through proactive maintenance.

The total cost of the Reflecting Pool’s revamp has surpassed $14 million, far exceeding initial projections. This significant investment reflects the complexity of the project, which has involved not only cleaning the water but also repairing thousands of feet of aging pipes. The Department of Interior has previously highlighted the necessity of replacing these pipes, which have been in disrepair for years. However, the agency has not yet provided updates on the progress of this repair work.

A History of Struggles and Unfulfilled Promises

The Reflecting Pool has been a symbol of the National Mall for decades, but its maintenance has often been a source of frustration. Prior administrations faced similar challenges with leaks and murky water, and their efforts to resolve these issues have been inconsistent. The Trump administration’s renewed focus on the pool’s condition marks a shift in priorities, with the hope that this new plan will finally deliver lasting results.

The contractor’s duties are extensive, requiring a combination of technical expertise and physical labor. Daily tasks include not only removing debris but also monitoring water quality and reporting any dead animals found near the pool. This attention to detail is essential for maintaining the pool’s appearance and functionality, particularly during high-traffic periods such as holidays and events.

As the bidding process concludes on July 8, the selection of a contractor will determine the future of the Reflecting Pool’s upkeep. The chosen firm will play a crucial role in ensuring the water remains clear and the structure stays intact. With the pool’s history of maintenance challenges, this plan represents a critical step toward achieving a more stable and consistent approach to its care.

Broader Implications for National Park Management

The Reflecting Pool’s issues have sparked discussions about the broader management of National Park Service facilities. Critics argue that the high costs and recurring problems highlight a lack of long-term planning. The administration’s use of hydrogen peroxide and the ozone nanobubbler, while effective in the short term, may not fully address the root causes of the pool’s decline.

Despite the challenges, the plan signals a commitment to restoring the pool’s former glory. The annual purge of sludge and the systematic maintenance of the water treatment system are designed to prevent the accumulation of harmful materials. As the new contractor takes over, the hope is that these measures will finally bring the Reflecting Pool back to its intended state, ensuring it remains a pristine feature for visitors and a lasting tribute to the nation’s history.