The Slow Sand Filtration Plant was one of the many improvements introduced to the city of Washington as part of the McMillan plan at the start of the 20th century. The 14-acre site consists of a series of underground vaults where domestic water was cleaned for use by filtering through a series of pools within the vaults. Periodically the sand
at the McMillan Reservoir tunnel out let. Figure 3 shows the layout plan of the present McMillan slow sand filtration plant with its 38-acre, open, raw-water storage reservoir, pumping station, 29 one-acre covered slow sand filters and their accessories, together with the two covered filtered-water reservoirs. One of these has previously been mentioned
McMillan Park is an expansive, grassy terrace in the urban terrain of north central Washington, DC. Split by First Street, the western section is groomed and occupied, while the eastern area is scraggly and vacant. Both sides were the McMillan slow sand water filtration plant, before 1986, when half was modernized and the other half began to decay. The updated, rapid sand water filtration plant is federal
The 25-acre McMillan slow sand filtration plant is located at the corner of Michigan Avenue and North Capitol Street in Washington, D.C. The site is part of a larger 92-acre historic fabric that comprises the McMillan Reservoir, the McMillan Slow Sand Filtration Plant, and the McMillan Pumping Station that was owned and operated by the federal
The treatment was a slow sand filter a biological treatment system that provided a slow, steady flow of clean water. For large-scale municipal purposes, the slow sand filter is inefficient and it was replaced in 1985 with a rapid sand filter (which is located across First Street at the McMillan Reservoir.
McMillan Slow Sand Filtration Plant. Washington, DC. Following a condition assessment survey completed in 2015, we were contracted to investigate areas of deteriorating concrete found on the sand bins located at the McMillan Slow Sand Filtration Plant. These aboveground structures were found to have localized areas of delamination, cracking, deteriorating concrete, and mineral deposits. The
MCMILLAN SLOW SAND FILTRATION PLANT Historic Preservation Report for the Proposed Redevelopment of the McMillan Slow Sand Filtration Plant FINAL DRAFT JULY 28, 2010 Prepared by: EHT Traceries, Inc. Prepared for: Vision McMillan Partners ZONING COMMISSION District of Columbia Case No. 13-14 Deleted ZONING COMMISSION District of Columbia CASE NO.13-14 EXHIBIT