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|Primary inflows||New Hampshire, US|
|Primary outflows||Atlantic Ocean|
|Basin countries||United States|
|Max. length||18 miles (28.9 km)|
|Surface area||38.6 mi² (99.97 km²)|
|Average depth||51 ft (16 m)|
|Max. depth||150 ft (46 m)|
|Water volume||412,000,000,000 US gal (1.56 km3)|
|Shore length1||181 mi (291 km)|
|Surface elevation||522 ft (159 m)|
|Settlements||Belchertown, Petersham, Hardwick, Ware, New Salem, Shutesbury|
|1 Shore length is not a well-defined measure.|
The Quabbin Reservoir is the largest inland body of water in Massachusetts, and was built between 1930 and 1939. Today, along with the Wachusett Reservoir, it is the primary water supply for Boston, some 65 miles (105 km) to the east as well as 40 other communities in Greater Boston. It also supplies water to three towns west of the reservoir and acts as backup supply for three others. It has an aggregate capacity of 412 billion US gallons (1,560 GL) and an area of 38.6 square miles (99.9 km²).
Structures and water flow
Quabbin Reservoir water flows to the Wachusett Reservoir using the Quabbin Aqueduct. The Quabbin watershed is managed by the Massachusetts Department of Conservation and Recreation, while the water supply system is operated by the Massachusetts Water Resources Authority. The Winsor Dam and the Goodnough Dike form the reservoir from impoundments of the three branches of the Swift River. The Quabbin Reservoir is part of the Chicopee River Watershed, which in turn feeds the Connecticut River.
The Quabbin Spillway (which follows part of Quabbin Hill Road in Belchertown), allows water to bypass the Winsor Dam and join the Swift River when the reservoir is full.
In 1947, the Massachusetts Legislature authorized the construction of the Chicopee Valley Aqueduct to deliver Quabbin water to three communities in Western Massachusetts: Chicopee, South Hadley, and Wilbraham. In 1951, with the Quabbin-Wachusett system sufficient to meet foreseeable needs, the Cochituate Aqueduct was abandoned, and the Framingham Reservoir system was placed on emergency stand-by. The present Lake Cochituate is the so-called Framingham Reservoir and now serves as a major swimming and boating resource but is no longer part of the potable water supply.
Demand for water exceeds local supplies
Metropolitan Boston's demands for fresh water began to outstrip its local supplies in the early part of the nineteenth century. Many possible sources of water were explored, including groundwater and rivers, but none were considered adequate in quantity and cleanliness to meet the needs of the rapidly growing city. After several years of controversy, the Massachusetts General Court (the official name of the state legislature) authorized the construction of the Cochituate Aqueduct to bring water to Boston from Lake Cochituate in Wayland and Natick.
This established three important policies, which remain in force today:
- Public, rather than private, ownership of the public water supply system.
- Use of upland reservoirs, with gravity-fed rather than pumped supply systems.
- Watershed protection, rather than filtration, as the primary mechanism of ensuring wholesome supplies.
By 1875, with demand again on the verge of exceeding supply, the Boston Water Board was established to take over the operations of the Cochituate Water Board, construct five new reservoirs on the Sudbury River in Framingham, Massachusetts, and a new Sudbury Aqueduct to deliver that water to the city.
In 1895, the Massachusetts Board of Health issued a report analyzing population and water-use trends, and recommended the creation of a Metropolitan Water District, serving several suburban communities in addition to Boston, and the construction of two new reservoirs: one on the Nashua River northeast of Worcester, and one in the Swift River Valley.
The General Court acted to establish the Metropolitan Water District, including 26 communities within ten miles (16 km) of the Massachusetts State House, later in 1895. The Wachusett Reservoir was completed in 1908. The Board of Health study had anticipated that Swift River water would be required by 1915, but this prediction had proven overly pessimistic. The introduction of mandatory water metering in Water District communities, and other efforts to reduce waste and inefficient uses, made it possible to delay construction of new water sources until the 1930s.
Frank E. Winsor was chief engineer for the Metropolitan Water District from 1926 until his death in 1939. He was closely involved in the design and construction of Winsor Dam, Goodnough Dike and the Quabbin Reservoir. Winsor Dam is named for him. He had previously been chief engineer for the building of the Scituate Reservoir in Rhode Island.
A 1922 study officially endorsed the Swift River Valley as the next extension of the water system and created the Metropolitan District Commission (MDC), now the Massachusetts Water Resource Authority (MWRA), to oversee the construction and maintain the system after its completion. In 1926, construction began on the first stage of the project, a tunnel connecting Wachusett Reservoir with the Ware River. This is called the Ware River Diversion. During the 1930s, this tunnel was extended to the Swift River. The complete tunnel is now known as the Quabbin Aqueduct.
Although the project was enthusiastically supported by lawmakers in the Boston area, it was opposed by residents of the affected towns. The state of Connecticut sued Massachusetts, claiming waters that were rightfully meant to flow into the Connecticut River, and subsequently through their state, were being illegally diverted. The lawsuit was unsuccessful, but Massachusetts was still bound by discharge minimums set under the regulatory authority of the Secretary of War over navigable waters.
Before the reservoir’s construction, there was a hill in Enfield called Quabbin Hill and a lake in Greenwich called Quabbin Lake. Named for a Native American chief called Nani-Quaben, meaning "place of many waters", these became the basis for naming the new reservoir. The Quabbin was formed by inundating the Swift River Valley, a drainage basin lying entirely within the state, by damming the river and a col, through which Beaver Brook would have otherwise provided another outlet for its water. When construction on the dam began in the mid-1930s, the Swift River was redirected from its riverbed through a diversion tunnel. On August 14, 1939, that tunnel was sealed with rock. Over the next seven years, the waters of the Quabbin Reservoir slowly rose behind the newly completed Winsor Dam, an earth-filled structure 2,640 feet (800 m) long, rising 170 feet (52 m) above the riverbed, and the slightly smaller Goodnough Dike. The water gradually submerged the roads that had linked the towns. It swallowed all but the peaks of about 60 hills and mountains, transforming Prescott Ridge into Prescott Peninsula. The Quabbin Reservoir was full, for the first time, in June 1946.
During the time in which the reservoir was forming, the eventual bed of the reservoir was used as the Quabbin Reservoir Precision Bombing and Gunnery Range. The range was used by planes from both Hanscom Army Air Field and Westover Army Air Field.
The Quabbin's creation required the flooding, and thus the disincorporation, in April 1938, of four towns: Dana (located in Worcester County), Enfield, Greenwich, and Prescott (all located in Hampshire County). The land remaining from the disincorporated towns was added to surrounding municipalities, including Belchertown, Pelham, New Salem, Petersham, Hardwick and Ware. One additional town on the reservoir is Shutesbury, in Franklin County. Because of New Salem's annexation of the Prescott Peninsula, a large wedge of land shifted from Hampshire County to Franklin County. Today, the majority of the reservoir lies in either New Salem or Petersham.
In addition, thirty-six miles of the Boston and Albany Railroad's Athol Branch, the so-called "Rabbit Line", were abandoned (originally the Springfield, Athol and Northeastern Railroad). Route 21, formerly reaching Athol, was truncated to the south side of the reservoir, and new roads—now US 202 and Route 32A—were built, respectively, on the western and eastern side of the reservoir. The designation of Route 109 was removed in 1933 from the road once running from Pittsfield to West Brookfield and leading into Enfield Centre from the southeast; and a different road southwest of Boston received that designation.
The buildings in the towns flooded by the reservoir were removed. Some cellar holes were left intact while others, chiefly in Prescott and below the flow line, were filled in. Old roads that once led to the flooded towns can be followed to the water's edge. Not all elements of the towns were destroyed, however. Town memorials and cemeteries in the four towns were moved to Quabbin Park Cemetery, located on Route 9 in Ware, just off the Quabbin's lands. Many other public buildings were moved intact to other locations. For example, the Prescott First Congregational Church was moved to South Hadley. The North Prescott Methodist Episcopal Church was moved to Orange in 1949, and then to New Salem in 1985 where it forms part of the building complex of the Swift River Valley Historical Society. The former Town Hall of Prescott now sites off of Route 32 in Petersham.
Three student housing facilities at Hampshire College in Amherst are named after the discontinued towns of Greenwich, Prescott, and Enfield. In addition, Hampshire College named another facility on its campus Dana House, after the other discontinued town of Dana.
Four residence halls at the nearby Eagle Hill School are also named for the four towns Greenwich, Prescott, Dana, and Enfield.
Watershed public access and recreation
In order to protect the water supply from the threats from unrestricted motorized vehicle use, most areas around the reservoir are publicly accessible only by foot, with limited parking available at some of the surrounding gates.
Large portions of Dana are on higher ground, and its remains, predominantly cellar holes, as well as the former town center (where a historic stone marker was placed) can be visited.
Much of Prescott is above water on what is now known as the Prescott Peninsula. However, Prescott cannot be visited most of the year due to state restrictions, although there is an annual tour of the town conducted by the Swift River Valley Historical Society. A few houses and roads exist which were once part of North Prescott (now New Salem), and there is a town line marker just north of the gates, indicating the former town line for Prescott. Cellar holes have been filled near the center of what was once Prescott to accommodate the former Five College Radio Astronomy Observatory, once operated by the University of Massachusetts Amherst.
There is a visitor center south of the reservoir, as well as an observation tower, and Enfield Lookout. This area -- called Quabbin Park -- is accessible by car from the south using State Route 9. The Park is a popular spot for hiking and other outdoor activities. This area was formerly part of the town of Enfield, which was annexed by Belchertown
Fishing is allowed in designated areas in the northern portions of the reservoir. Three boat launch areas are available, and to prevent spread of aquatic invasive species private boats must be cleaned before being permitted on the Reservoir. DCR provides a number of rental boats as well.
More complete information regarding access rules and maps of Quabbin can be found on DCR's official Public Access site
Natural Resources and Forest Management
This large block of forested land supports a great diversity of wildlife, and has been the focus for the re-establishment of several species in Massachusetts. Bald eagles, loons, moose, deer, coyotes, black bears, foxes, and bobcats share the habitat, among others.
DWSP's Watershed Forestry Page provides general information regarding the application of forest management at Quabbin and other drinking water supply watersheds.
- H.P. Lovecraft's story "The Colour Out of Space" is set in the valley before it was flooded for the reservoir.
- William Weld's novel Stillwater is set in the valley while the reservoir is under construction.
- Both the film Dreamcatcher and the Stephen King novel upon which it was based have scenes set at the Quabbin Reservoir.
- Rick Ledford's "Swift River Lullaby"[further explanation needed] is the opening song on the 1991 Pat & Tex LaMountain album, Songs of Western Massachusetts.
- Mark Tufo references this place in Zombie Fallout 9. Main character Mike Talbot, his brother Ron, and friend BT head there for a rescue.
- MWRA Online
- Water for Greater Boston
- U.S. Supreme Court, Connecticut v. Massachusetts, 282 U.S. 660 (1931)
- The Collection | Mount Holyoke College
- Charles P. Mitchell, The Complete H.P. Lovecraft Filmography p.9 (2001).
- Conuel, Thomas. Quabbin: The Accidental Wilderness. Amherst, Massachusetts: University of Massachusetts Press, 1990.
- Tougias, Michael. Quabbin: A History and Explorer's Guide. Yarmouth Port, Massachusetts: On Cape Publications, 2002. OCLC 50812740.
- Under Quabbin: The Search for the Lost Towns, A WGBY Production. 2001. Ed Kelkowski, UMASS Amherst Biology professor, Massachusetts State Police. DVD 974.423
- J. R. Greene. "The Creation of Quabbin Reservoir; The Death of the Swift River Valley." The Transcript Press, 32 Freedom Street, Athol, MA 01331, 1978. ISBN 0-9609404-0-5