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    National Mall & Memorial Parks

    District of Columbia

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    The Washington Monument is closed for repairs due to an earthquake on August 23, 2011. More »

Sustainable Projects

Capital improvement projects at the park, including rehabilitations as well as new memorials, result in construction zones. NPS design and construction projects follow guiding principles for sustainable development at federal facilities, including use of energy efficient lighting, natural light, best management practices for erosion and sedimentation control, and stormwater design that captures most or all rainwater to keep nutrients and sediments from entering the Potomac River and Chesapeake Bay.

 
cistern
A 250,000-gallon underground cistern to capture rainwater for irrigation is installed on the National Mall

Did You Know?

JEFFdyk

Inside the rotunda of the Jefferson Memorial, Thomas Jefferson is quoted, "I have sworn upon the altar of God eternal hostility against every form of tyranny over the mind of man."