Spy Pond
Encyclopedia
Spy Pond, also known as Spie Pond in the 17th & 18th centuries, is a 103 acre (0.41682658 km²) kettle hole
Kettle (geology)
A kettle is a shallow, sediment-filled body of water formed by retreating glaciers or draining floodwaters.-Overview:...

 pond located near the heart of Arlington, Massachusetts
Arlington, Massachusetts
Arlington is a town in Middlesex County, Massachusetts, United States, six miles northwest of Boston. The population was 42,844 at the 2010 census.-History:...

, adjacent to the Minuteman Bikeway.

History

Geological history

Fifty thousand years ago, the area of Arlington where Spy Pond now sits was covered a mile deep in ice by the Wisconsin Glacier. Fifteen thousand years ago, the ice began to recede
Holocene glacial retreat
Holocene glacial retreat had a profound effect on landscapes in many areas that were covered by ice at the Last Glacial Maximum. The many valleys of the Cairngorms, a mountainous region in the Eastern Scottish Highlands are littered with deposits from this period.-Evidences of the retreat of the...

, leaving depressions or "kettle holes
Kettle (geology)
A kettle is a shallow, sediment-filled body of water formed by retreating glaciers or draining floodwaters.-Overview:...

" in its wake. Initially filled with water from the receding glacier itself and then by natural runoff, the kettle holes eventually formed small lakes and ponds throughout the area.

Spy Pond is now fed by a combination of groundwater
Groundwater
Groundwater is water located beneath the ground surface in soil pore spaces and in the fractures of rock formations. A unit of rock or an unconsolidated deposit is called an aquifer when it can yield a usable quantity of water. The depth at which soil pore spaces or fractures and voids in rock...

 and surface runoff
Surface runoff
Surface runoff is the water flow that occurs when soil is infiltrated to full capacity and excess water from rain, meltwater, or other sources flows over the land. This is a major component of the water cycle. Runoff that occurs on surfaces before reaching a channel is also called a nonpoint source...

 from the surrounding area. Spy Pond currently has an average depth of 12 feet (3.7 m) and a maximum depth of 36 feet (11 m).

The pond has one island, Elizabeth Island.

Cultural history

On April 19, 1775, Mother Batherick, an elderly woman who liked to gather dandelions by Spy Pond, managed to corral and take prisoner six Revolutionary War
American Revolutionary War
The American Revolutionary War , the American War of Independence, or simply the Revolutionary War, began as a war between the Kingdom of Great Britain and thirteen British colonies in North America, and ended in a global war between several European great powers.The war was the result of the...

 Redcoats
Red coat (British army)
Red coat or Redcoat is a historical term used to refer to soldiers of the British Army because of the red uniforms formerly worn by the majority of regiments. From the late 17th century to the early 20th century, the uniform of most British soldiers, , included a madder red coat or coatee...

 who were fleeing their captured supply train.

In 1850, the Spy Pond Water Company began piping water to West Cambridge. The Spy Pond Water Company changed its name to the Arlington Lake Company when West Cambridge was renamed Arlington in 1867.
During the Civil War
American Civil War
The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

 the Union Army
Union Army
The Union Army was the land force that fought for the Union during the American Civil War. It was also known as the Federal Army, the U.S. Army, the Northern Army and the National Army...

 conducted training at Camp Sheppard near Spy Pond and following the war civilian rifle matches were conducted by the Massachusetts Rifle Association
Massachusetts Rifle Association
Although there are several clubs that claim the title, the is the oldest active gun club in the United States. It was founded in 1875, just four years after the creation of the National Rifle Association in 1871...

 from 1875 through 1876 before their move to Woburn, Massachusetts
Woburn, Massachusetts
Woburn is a city in Middlesex County, Massachusetts, USA. The population was 38,120 at the 2010 census. Woburn is located north of Boston, Massachusetts, and just south of the intersection of I-93 and I-95.- History :...

.

The 19th century also saw Spy Pond become an industrial center as entrepreneurs sought to harvest the benefits of this natural resource
Natural resource
Natural resources occur naturally within environments that exist relatively undisturbed by mankind, in a natural form. A natural resource is often characterized by amounts of biodiversity and geodiversity existent in various ecosystems....

 for export. Spy Pond became a source for ice in the winter, cut into huge blocks for shipping
Shipping
Shipping has multiple meanings. It can be a physical process of transporting commodities and merchandise goods and cargo, by land, air, and sea. It also can describe the movement of objects by ship.Land or "ground" shipping can be by train or by truck...

, and pure water for nearby Boston
Boston
Boston is the capital of and largest city in Massachusetts, and is one of the oldest cities in the United States. The largest city in New England, Boston is regarded as the unofficial "Capital of New England" for its economic and cultural impact on the entire New England region. The city proper had...

 in the summer. Businesses shipped Spy Pond ice as far away as India
India
India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

, installing huge amounts of infrastructure
Infrastructure
Infrastructure is basic physical and organizational structures needed for the operation of a society or enterprise, or the services and facilities necessary for an economy to function...

 and equipment in the Arlington area in the process. This led to the development of the local railroad and large-scale manufacture of ice tools.

In the 1970s, the Wetland Protection Act was passed classifying Spy Pond as a Great Pond under Massachusetts law.

Birds

Bird enthusiasts
Birdwatching
Birdwatching or birding is the observation of birds as a recreational activity. It can be done with the naked eye, through a visual enhancement device like binoculars and telescopes, or by listening for bird sounds. Birding often involves a significant auditory component, as many bird species are...

 have tracked the native and migratory bird populations of Spy Pond for a number of years. They report that almost one hundred and twenty species of birds make their home in and along its shores at some point in the year. This list includes 32 swimmers and 86 non-swimmers.

Among the bird population, Canada geese are the most notable and controversial residents.

Fish

Spy Pond is regularly stocked with fish and a variety of species can be found there including American eel
American eel
The American eel, Anguilla rostrata, is a catadromous fish found on the eastern coast of North America. It has a snake-like body with a small sharp pointed head. It is brown on top and a tan-yellow color on the bottom. It has sharp pointed teeth but no pelvic fins...

, bluegill
Bluegill
The Bluegill is a species of freshwater fish sometimes referred to as bream, brim, or copper nose. It is a member of the sunfish family Centrarchidae of the order Perciformes.-Range and distribution:...

, brown bullhead
Brown bullhead
The brown bullhead, Ameiurus nebulosus, is a fish of the Ictaluridae family that is widely distributed in North America. It is a species of bullhead catfish and is similar to the black bullhead and yellow bullhead...

, carp
Carp
Carp are various species of oily freshwater fish of the family Cyprinidae, a very large group of fish native to Europe and Asia. The cypriniformes are traditionally grouped with the Characiformes, Siluriformes and Gymnotiformes to create the superorder Ostariophysi, since these groups have certain...

, largemouth bass
Largemouth bass
The largemouth bass is a species of black bass in the sunfish family native to North America . It is also known as widemouth bass, bigmouth, black bass, bucketmouth, Potter's fish, Florida bass, Florida largemouth, green bass, green trout, linesides, Oswego bass, southern largemouth...

, white
White perch
The white perch, Morone americana, is not a true perch but is, rather, a fish of the temperate bass family, Moronidae, notable as a food and game fish in eastern North America.The name "white perch" is sometimes erroneously applied to the white crappie....

 and yellow perch
Yellow perch
The yellow perch is a species of perch found in the United States and Canada, where it is often referred to by the shortform perch. Yellow perch look similar to the European perch, but are paler and more yellowish, with less red in the fins. They have six to eight dark, vertical bars on their sides...

, and pumpkinseed
Pumpkinseed
The pumpkinseed sunfish is a freshwater fish of the sunfish family of order Perciformes. It is also referred to as "pond perch", "common sunfish", "punkys", and "sunny".-Range and distribution:...

, tiger muskellunge
Tiger muskellunge
The tiger muskellunge is a carnivorous fish and is the usually sterile, hybrid offspring of the true muskellunge and the northern pike . It lives in freshwater and its range extends to Canada, the Northeast and the Midwest parts of the United States. It grows quickly; in one study tiger muskie...

.

External links

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