Ridgewood Reservoir
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Ridgewood Reservoir is a decommissioned 19th century reservoir and freshwater
wetland A wetland is a distinct semi-aquatic ecosystem whose groundcovers are flooded or saturated in water, either permanently, for years or decades, or only seasonally. Flooding results in oxygen-poor ( anoxic) processes taking place, especially ...
on the border between the
New York City borough The boroughs of New York City are the five major governmental districts that comprise New York City. They are the Bronx, Brooklyn, Manhattan, Queens, and Staten Island. Each borough is coextensive with a respective county of the State of New ...
s of
Brooklyn Brooklyn is a Boroughs of New York City, borough of New York City located at the westernmost end of Long Island in the New York (state), State of New York. Formerly an independent city, the borough is coextensive with Kings County, one of twelv ...
and
Queens Queens is the largest by area of the Boroughs of New York City, five boroughs of New York City, coextensive with Queens County, in the U.S. state of New York (state), New York. Located near the western end of Long Island, it is bordered by the ...
, within what is now Highland Park. Although the reservoir was originally built to secure a reliable water supply for the
City of Brooklyn Brooklyn is a Boroughs of New York City, borough of New York City located at the westernmost end of Long Island in the New York (state), State of New York. Formerly an independent city, the borough is coextensive with Kings County, one of twelv ...
, it is positioned on the Queens side of the border in the neighborhood of Glendale. The reservoir and park are bounded on the north by the
Jackie Robinson Parkway The Jackie Robinson Parkway (originally the Interboro Parkway) is a controlled-access parkway in the New York City boroughs of Brooklyn and Queens. The western terminus of the parkway is at Jamaica Avenue in the Brooklyn neighborhood of Ea ...
, on the south by Highland Boulevard, on the west by Vermont Place and on the east by Cypress Hills National Cemetery. The reservoir was named after the Ridgewood Ponds in Nassau County, which provided the reservoir's eastern water source. Subsequently, the neighborhood north of the Reservoir became known as Ridgewood. Following decommissioning and abandonment, the reservoir naturally became a lush freshwater wetland. This ecosystem attracted a wide variety of fauna and flora, including some threatened and endangered species such as the
short-eared owl The short-eared owl (''Asio flammeus'') is a widespread grassland species in the family Strigidae. Owls belonging to genus ''Asio'' are known as the eared owls, as they have tufts of feathers resembling mammalian ears. These "ear" tufts may or ...
and pied-billed grebe. The bicycling trail around the reservoir perimeter became part of the Brooklyn-Queens Greenway. Between 2004 and 2017, the Ridgewood Reservoir's future was in question, as the
New York City Parks Department The New York City Department of Parks and Recreation, also called the Parks Department or NYC Parks, is the department of the government of New York City responsible for maintaining the city's parks system, preserving and maintaining the ecolog ...
and New York State DEC each proposed plans that would have breached the reservoir's basins and disrupted the wetland ecosystem. These plans were dropped after opposition from local community groups who sought to preserve the reservoir's natural setting. In 2018, the reservoir was listed on the
National Register of Historic Places The National Register of Historic Places (NRHP) is the Federal government of the United States, United States federal government's official United States National Register of Historic Places listings, list of sites, buildings, structures, Hist ...
and was officially designated by the New York State DEC as a Class I freshwater wetland, ensuring its preservation as a natural space.


Construction

Ridgewood Reservoir was built by the City of
Brooklyn Brooklyn is a Boroughs of New York City, borough of New York City located at the westernmost end of Long Island in the New York (state), State of New York. Formerly an independent city, the borough is coextensive with Kings County, one of twelv ...
,
New York New York most commonly refers to: * New York (state), a state in the northeastern United States * New York City, the most populous city in the United States, located in the state of New York New York may also refer to: Places United Kingdom * ...
, which was rapidly outgrowing its local water supplies. In 1851 the City thought it was failing to attract business firms that would have moved to Brooklyn if it had as reliable a water source as New York City's
Croton Aqueduct The Croton Aqueduct or Old Croton Aqueduct was a large and complex water supply network, water distribution system constructed for New York City between 1837 and 1842. The great aqueduct (water supply), aqueducts, which were among the first in t ...
. Various sources were proposed. The Croton River was already being used as the City of New York's water supply, and it did not have the capacity to serve the City of Brooklyn as well. The Bronx River was both inadequate and difficult to access. Wells in and near Brooklyn were inadequate both in quantity and quality. Natural lakes on Long Island were few and could not provide enough water. The only solution was to tap the many small streams on Long Island and conduct their water to Brooklyn to be lifted into an elevated reservoir. The original design of the Ridgewood Reservoir as well as the final specifications for the Brooklyn Water Works system were designed by Brooklyn civil engineer Samuel McElroy. This original design called for three basins, but engineer James P. Kirkwood later altered the designs and instead built a double basin. The new double reservoir was built in Snediker's Cornfield on a hilltop near Evergreen Cemetery in what was once part of
Ridgewood, Queens Ridgewood is a neighborhood in the New York City borough of Queens. It borders the Queens neighborhoods of Maspeth to the north, Middle Village to the east, and Glendale to the southeast, as well as the Brooklyn neighborhoods of Bushwick to ...
(this section of Queens is now part of Glendale) and was sealed by puddling with clay. The walls were faced with fieldstone and mortar. Ground was broken for the reservoir's construction on July 11, 1856, and the reservoir's water was initially raised on November 18, 1858. In 1862, the water supply for the reservoir consisted of six dammed streams in what is now Queens and Nassau Counties: Jamaica Stream ( Baisley Pond), Simonson's Stream, Clear Stream, Valley Stream, Pine's Stream, and Hempstead Stream ( Hempstead Lake). This water was carried in a 12-mile-long masonry
conduit Conduit may refer to: Engineering systems * Conduit (fluid conveyance), a pipe suitable for carrying either open-channel or pressurized liquids * Electrical conduit, a protective cover, tube or piping system for electric cables * Conduit cur ...
, called the Ridgewood Aqueduct, to a pumping station at Atlantic Avenue and Chestnut Street. There, steam-powered pumps, each with a capacity of 14 million gallons () per day, forced the water up through a reinforced tube into the high reservoir whence it was distributed. By 1868 the Ridgewood Reservoir held an average of 154.4 million gallons () daily, enough to supply the City of Brooklyn for ten days at that time. The Ridgewood Reservoir's innovative use of driven wells was notable for the time; an 1886 Scientific American article states that the reservoir's system of driven wells “has attracted widespread attention because of the originality and boldness of the plans and the perfect success attained.” In the late nineteenth century, Brooklyn was the largest American city whose water supply system relied on driven wells. Other large American cities chose to adopt this technology after the success of the Ridgewood Reservoir's driven well system. By 1900,
Lowell, Massachusetts Lowell () is a city in Massachusetts, United States. Alongside Cambridge, Massachusetts, Cambridge, it is one of two traditional county seat, seats of Middlesex County, Massachusetts, Middlesex County. With an estimated population of 115,554 in ...
and
Newark, New Jersey Newark ( , ) is the List of municipalities in New Jersey, most populous City (New Jersey), city in the U.S. state of New Jersey, the county seat of Essex County, New Jersey, Essex County, and a principal city of the New York metropolitan area. ...
—two of the nation's most important industrial centers at the time—had both followed Brooklyn's example by installing their own municipal water systems that used driven wells. At this time, Brooklyn obtained over 45 million gallons of water per day from driven wells at the Ridgewood Reservoir and other sites. In subsequent decades the Brooklyn Water Works system was repeatedly expanded by adding wells and collection reservoirs, extending the conduit farther east, and adding pumps. The Ridgewood Reservoir's third basin was completed in 1891. Farmers in southern Queens County complained that Brooklyn's thirst was lowering the
water table The water table is the upper surface of the phreatic zone or zone of saturation. The zone of saturation is where the pores and fractures of the ground are saturated with groundwater, which may be fresh, saline, or brackish, depending on the loc ...
. Late in the century, the conduit was extended to a large pumping station in Massapequa, some away. Efforts to extend it farther were thwarted by legislation protecting the water of Suffolk County. Force Tube Avenue, Conduit Boulevard, and
Sunrise Highway New York State Route 27 (NY 27) is a long state highway that runs east–west from Interstate 278 (I-278) in the New York City borough of Brooklyn to Montauk Point State Park on Long Island, New York. Its two most prominent co ...
were built, in part, atop the water conduit or within its
right of way A right of way (also right-of-way) is a specific route that people, animals, vehicles, watercraft, or utility lines travel, or the legal status that gives them the right to do so. Rights-of-way in the physical sense include controlled-access h ...
, early in the 20th century. Highland Park was created on land immediately surrounding Ridgewood Reservoir that was purchased by the City of Brooklyn in 1891 under the jurisdiction of the Highland Park Society. The park was constructed between 1901 and 1906 and included additional parcels purchased to the south and west.


Decommissioning

In 1898, Brooklyn merged with the
City of Greater New York The City of Greater New York was the Merger (politics), consolidation of the New York City, City of New York with Brooklyn, western Queens County, and Staten Island, which took effect on January 1, 1898. New York had already annexed the Bronx ...
, thus gaining access to the superior
New York City water supply system The New York City water supply system is a combination of Aqueduct (water supply), aqueducts, reservoirs, and tunnels which supplies fresh water to New York City. With three major water systems (New Croton Aqueduct, Croton, Catskill Aqueduct, Ca ...
. Ridgewood Reservoir was expensive to operate because of the need for pumping and was slowly made obsolete by expansion of New York City's Catskill and Delaware water systems. Ridgewood Reservoir became a backup reservoir in 1959 with the third basin being filled with water from the Catskill system. The reservoir was last used in a drought in the 1960s. During the 1970s the reservoir was the site of illegal swimming and a number of drownings. The reservoir was finally decommissioned and drained in 1989. Some of the Nassau County pumping stations including the one at Milburn (now Baldwin) survived into the 21st century as ruins. Valley Stream State Park, Hempstead Lake State Park, and other South Shore lakes and parks were originally Brooklyn Water Works reservoirs. In 2004, the reservoir was officially turned over to the Department of Parks for more extensive integration into Highland Park.


Ecological significance

Since the Ridgewood Reservoir was decommissioned, it has naturally become reforested and has developed into a thriving wetland ecosystem. It currently contains a wide range of natural environments, including woodlands, swamp, standing water wetlands, coastal swamp forest, bog, and open grassy area. The reservoir is home to a wide range of flora and fauna, including 156 species of birds, 175 plant species, and numerous species of insects. The evolving fresh-water site has become an important nearby oasis on the
Atlantic Flyway The Atlantic Flyway is a major north-south flyway for migratory birds in North America. The route generally starts in Greenland, then follows the Atlantic coast of Canada, then south down the Atlantic Coast of the United States to the tropical ...
and is a common destination for birdwatchers. The reservoir's distinct ecological setting has also made it a frequent destination for field trips and walking tours. Currently, the pond in the middle basin of the reservoir is being overgrown by invasive weeds that belong to the genus ''
Phragmites ''Phragmites'' () is a genus of four species of large perennial plant, perennial reed (plant), reed Poaceae, grasses found in wetlands throughout temperate and tropical regions of the world. Taxonomy The World Checklist of Selected Plant Famili ...
''. Left unchecked, the ''Phragmites'' would outcompete the reservoir's natural plant species and fill in the pond. Community efforts to control the reservoir's ''Phragmites'' population, via underwater weed-cutting and root removal, are ongoing. In January 2019, the NYC Parks Department designated the Ridgewood Reservoir as a Critical Environmental Area, citing the reservoir's status as a "naturalized area that is unique within New York City and serves as an important ecological, historic, and public recreation resource."


Redevelopment plans

In October 2007, New York City Parks Commissioner Adrian Benepe unveiled a plan to breach one of the reservoir basins and clear for new ball fields. This resulted in a backlash from local residents, environmentalists, and community organizations, who formed the Highland Park-Ridgewood Reservoir Alliance to oppose the plan. On June 26, 2008, Comptroller of New York City Bill Thompson Jr. rejected the contract for the new development, citing concerns about the environmental impact, increased truck traffic, and the vendor selection process. In 2010, the Highland Park-Ridgewood Reservoir Alliance submitted an application to the New York State DEC requesting that the Ridgewood Reservoir be classified as a wetland. In 2014, community members learned that the NYC Parks Department was planning to construct
culvert A culvert is a structure that channels water past an obstacle or to a subterranean waterway. Typically embedded so as to be surrounded by soil, a culvert may be made from a pipe (fluid conveyance), pipe, reinforced concrete or other materia ...
s to breach the three basins. This would have destroyed the reservoir's natural ecosystem. The plans illustrated the design and construction of culverts large enough to accommodate trucks and were part of a project that the City Parks Department claimed was necessary to eliminate the risk of flooding. The City argued that unless the culverts were built, the State of New York would issue fines since the reservoir would allegedly be a flooding hazard, according to its classification as a Class C "High Hazard" dam. However, local activists argued that because the reservoir no longer impounds water, it does not pose a risk of flooding and should instead be classified as a Class D "Negligible or No Hazard" dam, rendering the construction of culverts unnecessary. Environmentalists also argued that building the culverts would violate New York State Environmental Conservation Law by adversely impacting a freshwater wetland habitat. This work was scheduled to begin in August 2014 but was put on hold after pressure from activists. In March 2017, the NYS DEC reclassified the Ridgewood Reservoir as a Class A "Low Hazard" dam, such that the reservoir's basins would no longer be required to be breached to address flooding risk. In February 2018, the Ridgewood Reservoir was officially designated as a Class I freshwater wetland by the New York State DEC. The wetland designation ensures that the Ridgewood Reservoir will be permanently preserved in a natural state, as it is now protected under the 1975 New York Freshwater Wetlands Act.


See also

*
List of reservoirs and dams in New York This is a list of dam A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumptio ...
*
National Register of Historic Places listings in Brooklyn The following properties are listed on the National Register of Historic Places in Brooklyn. This is intended to be a complete list of properties and districts listed on the National Register of Historic Places in the New York City borough o ...
*
Timeline of Brooklyn history This is a timeline and chronology of the History of Brooklyn, history of Brooklyn, New York City, New York. Brooklyn is the most populous of New York City's Borough (New York City), boroughs, and was settled in 1646. 17th century * 1646 ...


References


External links


Historic photos of Ridgewood ReservoirSave Ridgewood Reservoir: a blog dedicated to the preservation of the reservoirThe City ConcealedRidgewood Reservoir Historic Register Report
{{authority control Water infrastructure of New York City Water supply infrastructure on the National Register of Historic Places National Register of Historic Places in Brooklyn Buildings and structures in Queens, New York Ridgewood, Queens Glendale, Queens Reservoirs in New York (state) New York State Register of Historic Places in New York City