Triadelphia Reservoir

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Triadelphia Reservoir
Triadelphia lake.jpg
Location Howard / Montgomery counties, near Brookeville, Maryland
Coordinates 39°12′27″N 77°00′48″W / 39.207517°N 77.013302°W / 39.207517; -77.013302Coordinates: 39°12′27″N 77°00′48″W / 39.207517°N 77.013302°W / 39.207517; -77.013302
Type reservoir
Primary inflows Patuxent River
Primary outflows Patuxent River
Catchment area 77.3 sq mi (200 km2)
Basin countries United States
Surface area 800 acres (3.2 km2)
Average depth 52 ft (16 m)
Water volume 6,200,000,000 US gal (0.023 km3)

Triadelphia Reservoir, sometimes called Tridelphia Reservoir or Tridelphia Lake, is located on the Patuxent River, in Howard County and Montgomery County, Maryland near the town of Brookeville.

The reservoir was created in 1943 by the construction of the Brighton Dam on the Patuxent.[1] The reservoir named after the town of Tridelphia which was founded in 1809 by three Quaker brothers-in-law. Issac Biggs, Thomas Moore, and Caleb Bentley built a small town on 276 acres of land with nine houses, sawmill, general store, grist mill, and a mill race. The Tridelphia company operated 196 spindles from its waterwheel and grew to several dozen buildings by 1850 including Mt.Carmel Methodist Church and a schoolhouse. In 1868 a flood washed away a portion of the city and a second flood destroyed most of the remainder. The Tridelphia Turnpike company operated a toll road from Tridelphia, to Glenelg to the Baltimore-Frederick Turnpike, now labeled Tridelphia road.[2] By 1905 the town was mostly abandoned and is underwater with the construction of the reservoir.[3]

It has a surface area of 800 acres (3.2 km2).[4] The reservoir is maintained as a drinking water source by the Washington Suburban Sanitary Commission (WSSC).

WSSC provides recreational facilities to the public on portions of the Triadelphia property, including hiking, picnicing, fishing, boating, horseback riding, and hunting. Permits are required for any boating,and only self-powered or battery powered vessels are allowed. This is enforced by law enforcement who actively patrol the area.

See also[edit]

References[edit]

  1. ^ Washington Suburban Sanitary Commission. Laurel, MD. "The WSSC -- A Thumbnail History." June 2007.
  2. ^ Maryland Geological Survey Report on the Highways of Maryland. 1899. p. 239. 
  3. ^ Maryland Historical Magazine. June 1948. 
  4. ^ Maryland Department of the Environment. Baltimore, MD."Total Maximum Daily Loads of Phosphorus and Sediments for Triadelphia Reservoir (Brighton Dam) and Total Maximum Daily Loads of Phosphorus for Rocky Gorge Reservoir, Howard, Montgomery, and Prince George’s Counties, Maryland." Final. June 2008. p. 4.

External links[edit]