Bloomingdale in Northwest Washington in Washington, District of Columbia — The American Northeast (Mid-Atlantic)
Sand Washer
McMillan Sand Filtration Plant
| | 1905-1986 | |
Photographed by Shirley A Stirling, April 8, 2026
1. Sand Washer Marker
In the plant's earliest years, workers dumped dirty sand from the filter bedsi into this giant concrete hopper. Currents of water rinsed the sand. Workers then moved the newly clean sand into silo-like sand bins for future use.
The outdoor sand washers were only used for a few years. date of this image, workers operated sand-washing By 1944, the machines inside filter beds.
Archives of the Washington Aqueduct
Topics. This historical marker is listed in these topic lists: Charity & Public Work • Natural Resources. A significant historical year for this entry is 1905.
Location. 38° 55.408′ N, 77° 0.681′ W. Marker is in Northwest Washington in Washington, District of Columbia. It is in Bloomingdale. It is on Lower Service Court Northwest 0.8 miles east of 1st Street Northwest, on the left when traveling east. Touch for map. Marker is at or near this postal address: 31 Lower Service Court NW, Washington DC 20001, United States of America. Touch for directions.
Regionally, this marker is in the Washington Metropolitan Area. It is also in the American Northeast, in the Upper South, in the Mid-Atlantic,
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Other nearby markers. At least 8 other markers are within walking distance of this marker: Regulator House (here, next to this marker); Sand Bin (a few steps from this marker); Iconic Landmark / Fitting Tribute (about 300 feet away, measured in a direct line); Green Space / Sustaining the City (about 300 feet away); Central to the System / How It Worked (about 400 feet away); Filter Bed (about 400 feet away); Court Nullifies Racial Covenants (approx. 0.2 miles away); Water for the City (approx. 0.3 miles away). Touch for a list and map of all markers in Northwest Washington.
Photographed by Shirley A Stirling, April 8, 2026
2. Sand Washer Marker
Photographed by Shirley A Stirling, April 8, 2026
3. Sand Washer Marker
Credits. This page was last revised on April 10, 2026. It was originally submitted on April 10, 2026, by Shirley A Stirling of Lacey, Washington. This page has been viewed 12 times since then. Photos: 1, 2, 3. submitted on April 10, 2026, by Shirley A Stirling of Lacey, Washington. • Devry Becker Jones was the editor who published this page.
