Potomac in Montgomery County, Maryland — The American Northeast (Mid-Atlantic)
Washington Aqueduct
Photographed by Richard E. Miller, November 25, 2011
1. Washington Aqueduct Marker
has been designated a
National Historic Landmark
This site possesses national significance
in commemorating the history of the
United States of America
1974
National Park Service
United States Department of the Interior
Erected 1974 by National Park Service, United States Department of the Interior.
Topics and series. This historical marker is listed in these topic lists: Bridges & Viaducts • Landmarks • Waterways & Vessels. In addition, it is included in the National Historic Landmarks series list. A significant historical year for this entry is 1974.
Location. 39° 0.035′ N, 77° 14.873′ W. Marker is in Potomac, Maryland, in Montgomery County. It can be reached from MacArthur Blvd/Great Falls Road Climb east of the C&O Canal Towpath when traveling south. Marker is on the west face of the Washington Aqueduct Pump House, inside the Chesapeake and Ohio Canal National Historical Park, off the walkway to the Great Falls Tavern [the park visitors center and museum] and the C&O Canal - all of which are south of the visitors parking lot and east of the C&O canal ditch, its towpath and the adjacent aqueduct diversion dam. Touch for map. Marker is at or near this postal address: 11710 MacArthur Blvd, Potomac MD 20854, United States of America. Touch for directions.
Regionally, this marker is in the Washington Metropolitan Area. It is also in the American Mid-Atlantic. Globally, it is in the North Atlantic Region, North America, the Western Hemisphere, the Western World, and the Anglosphere. Historically, it finds itself in what was once one of the original Thirteen Colonies and also the Antebellum South.
Other nearby markers.
this page online
Other markers no longer nearby. A Lift Lock (was within shouting distance of this marker but has been confirmed missing); Boats Passing By (was within shouting distance of this marker but has been confirmed missing).
Related markers. Click here for a list of markers that are related to this marker. To better understand the relationship, study each marker in the order shown.
Also see . . .
1. Washington Aqueduct. National Park Service website entry (Submitted on November 27, 2011, by Richard E. Miller of Oxon Hill, Maryland.)
2. The McMillan Sand Filtration Site. Left for LeDroit website entry (Submitted on April 29, 2012, by Richard E. Miller of Oxon Hill, Maryland.)
Additional keywords.
Photographed by Richard E. Miller, November 25, 2011
2. Washington Aqueduct Pump Station
Photographed by Richard E. Miller, November 25, 2011
3. Washington Aqueduct facility, left, at the Chesapeake and Ohio Canal National Historical Park
Photographed by Richard E. Miller, April 1, 2012
4. The original Washington Aqueduct reservoir, over-flowing across its diversion dam (left middle)
Photographed by Richard E. Miller, April 1, 2012
5. The landmark Washington Aqueduct gate house (pump station) and the Great Falls Tavern museum
Photographed by Allen C. Browne, April 26, 2017
6. Washington Aqueduct Marker
Photographed by Adam Margolis, December 28, 2023
7. Washington Aqueduct Marker
Photographed by Allen C. Browne, April 26, 2017
8. D c 10 M
Aqueduct Milestone at Great Falls marking 10 Miles to DC.
Photographed by Allen C. Browne, April 26, 2017
9. Aqueduct Milestone at the pumping station, Great Falls
Photographed by Richard E. Miller, April 4, 2009
10. Washington Aqueduct: the Union Arch Bridge
Photographed by Richard E. Miller, April 8, 2012
11. Washington Aqueduct: U.S Army Corps of Engineers Delacarlia Water Treatment
at reservoir on the Maryland/DC border.
Photographed by Richard E. Miller, March 31, 2012
12. Washington Aqueduct: "Castle Gatehouse" / Georgetown Reservoir Pumping Station
Designed to represent the insignia of the U.S. Corps of Engineers ... the gatehouse was constructed at the Georgetown Reservoir to pump water into the four-mile long Washington City Tunnel that led to McMillan Reservoir
Photographed by Richard E. Miller, April 28, 2012
13. Washington Aqueduct: McMillan Resevoir (formerly, the "Howard" Reservoir")
Credits. This page was last revised on January 11, 2024. It was originally submitted on November 27, 2011, by Richard E. Miller of Oxon Hill, Maryland. This page has been viewed 1,599 times since then and 98 times this year. Last updated on April 29, 2012, by Richard E. Miller of Oxon Hill, Maryland. Photos: 1, 2. submitted on November 27, 2011, by Richard E. Miller of Oxon Hill, Maryland. 3. submitted on November 30, 2011, by Richard E. Miller of Oxon Hill, Maryland. 4, 5. submitted on April 2, 2012, by Richard E. Miller of Oxon Hill, Maryland. 6. submitted on April 27, 2017, by Allen C. Browne of Silver Spring, Maryland. 7. submitted on December 28, 2023, by Adam Margolis of Mission Viejo, California. 8, 9. submitted on April 27, 2017, by Allen C. Browne of Silver Spring, Maryland. 10, 11, 12, 13. submitted on April 29, 2012, by Richard E. Miller of Oxon Hill, Maryland. • Bill Pfingsten was the editor who published this page.
