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Prettyboy Reservoir

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Coordinates: 39°38′36″N 76°44′27″W / 39.6432°N 76.7408°W / 39.6432; -76.7408
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Prettyboy Reservoir
Location of Prettyboy Reservoir in Maryland, USA.
Location of Prettyboy Reservoir in Maryland, USA.
Prettyboy Reservoir
Location of Prettyboy Reservoir in Maryland, USA.
Location of Prettyboy Reservoir in Maryland, USA.
Prettyboy Reservoir
LocationBaltimore County, Maryland
Coordinates39°38′36″N 76°44′27″W / 39.6432°N 76.7408°W / 39.6432; -76.7408
Typereservoir
Primary inflowsGunpowder River
Primary outflowsLoch Raven Reservoir
Basin countriesUnited States
Surface area1,500 acres (610 ha)[1]
Average depth29 ft (8.8 m)[2]
Max. depth128.6 ft (39.2 m)[2]
Water volume19 billion US gallons (72 hm3)
Surface elevation518 ft (158 m)[3]

Prettyboy Reservoir is a 1,500-acre (610 ha) reservoir in the Hereford Zone of northern Baltimore County, Maryland. While the reservoir is in Baltimore County, the independent city of Baltimore owns the reservoir and the surrounding land. The reservoir is one of three reservoirs created to supply the municipal water system for Baltimore City, Baltimore County, and northern Anne Arundel County constructed by the Baltimore City Department of Public Works. Prettyboy Reservoir, along with Loch Raven Reservoir further down the Big Gunpowder Falls, provide about 61% of the drinking water for the Baltimore metropolitan area system; for this reason, the Prettyboy is considered a "source water" or drinking water watershed. The reservoir contains about 19 billion US gallons (72,000,000 m3) of water on average.[4]

The water from Prettyboy Reservoir is transferred to Loch Raven via Gunpowder Falls rather than directly to Baltimore. It is then transferred via tunnel from Loch Raven to the Montebello Filtration Plants in Baltimore for treatment and distribution. Prettyboy Dam, completed in 1932, impounds the Gunpowder Falls to create the Reservoir. The dam has a spillway crest elevation of 520 ft (160 m) above mean sea level and covers about 1,500 acres (6.1 km2).[4]

According to tradition, the reservoir was named after a settler's horse, Pretty Boy, who drowned in a nearby creek.[5]

Prettyboy Reservoir Dam

Parts of the Gunpowder River watershed also serve as Gunpowder Falls State Park. The reservoir area serves as land for hiking, mountain biking, road cycling, fishing, and boating. Hunting is also permitted, though limited to archery with a special permit.[6] Swimming in the reservoir is prohibited.[7][8] Sport bike riders and sports car enthusiasts also use the roads in the parklands that surround the reservoir.

Kayak and tubing enthusiasts float or paddle the Lower Gunpowder Falls from the dam down to Falls Road or Masemore Road. The river between those two points contains mainly Flatwater to class II rapids, but one section contains a class III when the water level is normal or higher. Heavy spring rains mean that both gates at the dam may be opened to allow excess water through. Increased water levels make for excellent kayaking because of the narrow width of Gunpowder Falls' valley.[citation needed]

Officers of the Special Department of Public Works, and occasionally Baltimore Police Department officers, patrol all three of the metropolitan area's watersheds.[9]

On June 23, 2008, Prettyboy Reservoir became the site of the first rescue performed by the Baltimore County Fire Department using a helicopter with rescuers dangling from a rope. The victim was a 30-year-old woman who had injured herself while walking her dog. The department had just been trained in the rescue two weeks prior to the incident.[10][11]

References

[edit]
  1. ^ "Fishing at Prettyboy Reservoir".
  2. ^ a b "Maryland Geographical Survey".
  3. ^ U.S. Geological Survey Geographic Names Information System: Prettyboy Reservoir
  4. ^ a b "Prettyboy Reservoir Watershed". Baltimore County, MD. Retrieved 8 May 2014.
  5. ^ "SOME FACTS ABOUT THE PRETTYBOY..." Prettyboy Alliance Watershed. Archived from the original on 2019-04-01.
  6. ^ "Prettyboy Watershed Alliance". Prettyboy Watershed Alliance. Retrieved 8 May 2014.
  7. ^ Erik Maza (June 24, 2011). "Illegal swimmers are testing the waters — and the rangers — of Baltimore's reservoirs". Retrieved 2012-04-22.
  8. ^ "Public Works / Press Releases". Archived from the original on 2011-04-01.
  9. ^ Jim Joyner (June 22, 2012). "Loch Raven, Prettyboy and Liberty reservoirs off limits to swimmers". Archived from the original on 2013-12-03. Retrieved 2012-09-22.
  10. ^ wjz.com - Helicopter Teams Have Success With First Rescue
  11. ^ Topic Galleries - baltimoresun.com
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