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Washington Aqueduct Dam in Potomac, MD 20854

Washington Aqueduct Dam in Potomac, MD 20854 (Montgomery County) is a weir. Washington Aqueduct Dam is also known as Great Falls Dam, Lock Number 20.

Alternate Name
Great Falls Dam, Lock Number 20
Operator
U.S. Army Corps of Engineers
Waterway Type
weir
Legend

Streets nearby

Potomac Heritage Trail
Scott's Run Falls, Bench by river
0.1 mi
Bliss Road
0.3 mi
Bliss Road & Bootlegger Trail
0.3 mi
Old Dominion Drive
Great Falls Park Entrance, Old Dominion Dr & Cloverlawn Ct, Old Dominion Dr & Park Rd, Sweet Stuff, 7-Eleven, Roots Kitchen & Bar, Dominion Village Cleaner, Wine Junction Shop and Bar, Hair Cuttery, Presidential Bank, Old Dominion Dr & Corner Ln, Old Dominion Dr & 6th Pl, Old Dominion Dr & Cooper Dr, Old Dominion Dr & #6556, Old Dominion Dr at #6556, Old Dominion Dr & Hampton Hill Cir, Belleview, Peacock, Small Door Veterinary, Sorn, Apricot Lane, Sassanova, SkinSpirit, Old Dominion Dr & Chesterbrook Shopping Ctr, South Block, Chesterbrook Barbershop, Kosmo Nail Bar, Chesterbrook, Old Dominion Dr & Valley Ave, Old Dominion Dr & #6330, Old Dominion Dr & #6306, Old Dominion Dr & #6315, Old Dominion Dr & #6325, Old Dominion Dr at #6315, Old Dominion Dr & Birch Rd, Primis Bank, Chiang Mai Thai Cookhouse, Shō Sushi & Izakaya, Goodyear Tire and Auto, Thieves Market Antiques, Old Dominion Dr & Beverly Rd, Old Dominion Dr & Ingleside Ave, Sculpt Aesthetics & Plastic Surgery, Sweetgreen, Chipotle, Old Dominion Dr & Chain Bridge Rd, Old Dominion Dr & Holmes Pl, Old Dominion Dr & Hampton Ridge Dr, Old Dominion Dr & Whittier Ave, Citibank, Eclips Salon & Day Spa, Korean Presbyterian Church, Amoo's House of Kabob, Cafe China, McLean Star Cleaners, McLean Super Cleaners, Lisalon Hair Salon, Sun's Cleaners Art Frame, Old Dominion Urgent Care, Lotus Nails & Spa, Fonts Books & Gifts, TD Bank, Sunoco, Exxon, Pikoteo, Window and Door Showplace, Pulcinella
0.4 mi
Washington Aqueduct Intake
Great Falls Observation Platform
0.4 mi
Ford Mine Trail
0.4 mi
Chesapeake and Ohio Canal Trail
Marble Quarry, Cabin John Trail, Potomac River Water Filtration Plant
0.4 mi
Ford Mine Trail (2.1 mi)
0.4 mi
Riverbend Road Trail
0.4 mi
River Trail
0.5 mi
Follow the Hollows Trail
0.5 mi
Weant Drive
0.5 mi
Mine Run Trail
0.5 mi
Maria Avenue
0.6 mi
Sterling Montague Drive
0.6 mi
Deer Park Road
0.6 mi
River Bend Road
0.6 mi
Mine Run Drive
0.7 mi
Jeffery Road
Riverbend Park
0.7 mi
Madison's Escape Trail
0.8 mi
Hidden Spring Road
0.8 mi
Potomac Hills Street
0.8 mi
Monalaine Court
0.9 mi
Golden Woods Court
0.9 mi
Bootlegger Trail
0.9 mi
Eaton Park Road
1.0 mi
Jeffery Lane
1.0 mi

Attractions nearby

Lock 20
0.5 mi
Lock 19
0.5 mi

Buildings nearby

Washington Aqueduct Gatehouse No. 1
0.5 mi
Comfort Station
0.5 mi
Volunteer Shed
0.5 mi

Canals nearby

Chesapeake and Ohio Canal
0.4 mi
Patowmack Canal
0.5 mi
Patowmack Canal Spillway
0.6 mi

Fast food restaurants nearby

Great Falls Snack Bar
0.4 mi

Forests nearby

Conn Island
250 ft

Garages nearby

Engineers Garage
0.5 mi

Streams nearby

Bootleggers Run
0.2 mi
Whiskey Hollow Run
0.4 mi
Carroll Branch
0.4 mi
Mine Run Branch
0.6 mi
Limekiln Branch
0.6 mi
Potsherd Creek
0.6 mi
Cool Spring Branch
0.7 mi
Conn's Creek
0.8 mi

Tourist information centers nearby

Great Falls Tavern Visitor Center
0.5 mi
Great Falls Park Visitor Center
0.6 mi

Waters nearby

Clay Pond
0.5 mi