Monksville Reservoir

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Monksville Reservoir
Monksville Reservoir - New Jersey in autumn (1911792206).jpg
Location Ringwood / West Milford,
Passaic County, New Jersey
Coordinates 41°07′20″N 74°17′59″W / 41.122217°N 74.299829°W / 41.122217; -74.299829Coordinates: 41°07′20″N 74°17′59″W / 41.122217°N 74.299829°W / 41.122217; -74.299829
Type Reservoir
Basin countries United States
Max. length 3 mi (4.8 km)
Surface area 505 acres (2.04 km2)
Max. depth 90 ft (27 m)
Water volume 7 million US gallons (26,000 m3)
Surface elevation 400 ft (120 m)
Monksville Reservoir, New Jersey, seen from the south. Photo: Erlend Bjørtvedt

The Monksville Reservoir is an artificial lake created in 1987 by damming on the Wanaque River in West Milford, New Jersey. It is named after the former community of Monksville, which was relocated and flooded upon its completion.

History[edit]

The reservoir was built to relieve chronic water shortages in northern New Jersey that occurred in the 1980s due to drought conditions.[1] The reservoir extended the capacity of the nearby 29-million-US-gallon (110,000 m3) Wanaque Reservoir.[1] It is owned jointly by the Hackensack Water Company and the North Jersey District Water Supply Commission.[1]

Location[edit]

The lake is in Long Pond Ironworks State Park, which is located in the community of Hewitt, in West Milford, New Jersey, United States. The park is known for its old stone walls, furnaces and other remnants of a once industrious ironworking community that now sits next to the swiftly flowing Wanaque River. The park is operated and maintained by the New Jersey Division of Parks and Forestry.[1] The state of New Jersey previously spent $2.7 million purchasing land at the site to be part of the state park before drought changed the priority to the reservoir.[1]

Approximately 15 residences, mostly owned by the Rhinesmith and Vreeland families, were purchased with NJ Green Acres funding and their owners relocated. Two homes of historic significance were moved, the others were demolished. One business, Duramic, was relocated and its building demolished.[citation needed]

Construction[edit]

Construction of the reservoir was started in 1985. Land was cleared and gravel was crushed on site and stock-piled.

Stonetown Road was realigned to run over the dam. A small bailey bridge that was put in place in 1977 was dismantled to be used again elsewhere. The Monksville dam is approximately 0.4 miles long. A portion of Greenwood Lake Turnpike was realigned to higher ground.

The dam impounds water from the Wanaque River flowing down from Greenwood Lake. A spillway was constructed to allow water to flow into the Wanaque Reservoir below. During times of low flow, water from the Monksville Reservoir is released into the Wanaque Reservoir below via the intake tower which mixes water from various levels of the Monksville.

The dam was constructed with rollcrete. Dirt and gravel from on-site were mixed with cement. A dry mix of this material was laid down by large spreader trucks. A water truck would sprinkle the mix every 30 minutes around the clock to cure the mix. The face of the dam on the water side was faced with concrete, the other side was earthen. In 2007 the earthen side was refaced with concrete.

Building of the actual dam started in March 1987 and was completed in August 1987. Then-governor Thomas Kean was present for the ribbon-cutting ceremony in autumn 1987.

The reservoir filled quickly and was full by October 1987.[1]

Activities[edit]

The lake is used by anglers, sporting clubs, the Society for the Education of American Sailors (SEAS), and is the home of Highlands Rowing Center and Advanced Community Rowing Association. It is the home of Highlands Rowing Center and Advanced Community Rowing Association. The reservoir is the home practice facility of the Suffern High School Varsity & Novice Crew teams. The Monksville Reservoir is known for its trophy size muskellunge, walleye, bass and trout.[citation needed]

References[edit]

  1. ^ a b c d e f Hanley, Robert (June 21, 1986). "PUSH IS ON TO FINISH JERSEY RESERVOIR". The New York Times. Retrieved 13 May 2017. 

External links[edit]