Update by Kirby Vining – DC Water and VMP Developments

The McMillan Reservoir Sand Filtration Site is a 25-acre area bounded by North Capitol Street, NW; Michigan Avenue, NW; First Street, NW and Channing Street, NW. Structures on the site consist of twenty underground sand filtration chambers and two east-west service access courts on which stand rows of sand storage bins, sand washing equipment and regulator houses. The site is part of the larger historic McMillan Park Reservoir, a significant contributing element in the McMillan Plan for Washington, DC. McMillan Park Reservoir is listed on the National Register and the DC Register of Historic Places and it has been recommended by the D.C. Historic Preservation Review Board (HPRB) to be placed on the National Registry of Historic Sites. The National Capital Planning Commission (NCPC) has designated the McMillan Sand Filtration Site as a site for a National Monument or Museum and the site has been listed four times on the D.C. Preservation League list of most endangered historic sites.

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