Fallingwater, Frank Lloyd Wright's architectural masterpiece, has undergone various repairs and maintenance efforts since its completion in 1939 to address the challenges posed by its unique design and natural setting. Managed by the Western Pennsylvania Conservancy since 1963, these efforts aim to preserve the house's structural integrity and aesthetic beauty. Here's a brief history of some significant repair and maintenance activities:

1990s Structural Concerns

• In the 1990s, an extensive study revealed significant structural weakening, particularly in the cantilevered terraces. Engineers found that the cantilevers were sagging more than initially anticipated, raising concerns about long-term stability.

2002 Cantilever Stabilization

• A major stabilization project was undertaken in 2002 to address the sagging of the cantilevers. This involved the careful insertion of post-tensioning cables within the structure to strengthen and slightly lift the cantilevered sections without compromising Wright's original design.

Ongoing Water Management

• Due to Fallingwater's location over Bear Run waterfall, managing water infiltration has been a persistent challenge. Continuous efforts are made to improve waterproofing and drainage systems around the house to protect it from moisture damage.

Regular Upkeep and Preservation

• Routine maintenance includes the care of the building's exterior and interior surfaces, including cleaning, painting, and the treatment of wood and stone to prevent deterioration.
• Preservation of original furnishings, artworks, and textiles is also a critical part of the ongoing care, requiring specialized conservation techniques.

Environmental Control Systems

• Upgrades to heating, ventilation, and air conditioning systems have been necessary to control the interior environment and protect the house and its contents from humidity and temperature fluctuations.

Natural Surroundings Maintenance

• The conservation of the surrounding landscape is integral to Fallingwater's overall preservation. Efforts include managing vegetation, stabilizing slopes, and ensuring the health of Bear Run to maintain the natural setting Wright intended to complement the house.

21st-Century Challenges

• As environmental and structural challenges evolve, the Western Pennsylvania Conservancy continues to employ modern technology and conservation practices to monitor the house's condition and undertake necessary repairs and maintenance.

These ongoing efforts ensure that Fallingwater remains a testament to Wright's genius, offering visitors a glimpse into the innovative design that harmoniously blends architecture and nature.