Lake Seymour (Vermont)

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Seymour Lake
Lake Seymour - Morgan Vermont 2014-05-02 20-35.jpg
Seymour Lake- Morgan Vermont
LocationMorgan, Orleans County, Vermont
Coordinates44°53′49″N 071°58′54″W / 44.89694°N 71.98167°W / 44.89694; -71.98167Coordinates: 44°53′49″N 071°58′54″W / 44.89694°N 71.98167°W / 44.89694; -71.98167
Lake typeGlacial lake , ice age
Primary inflowsoutlet from Mud Pond, Sucker Brook
Primary outflowsClyde River
Basin countriesUnited States
Max. length3 mi (4.8 km)
Max. width2 mi (3.2 km)
Surface area1,732 acres (7.01 km2)
Max. depth169 ft (52 m)
Surface elevation1,278 ft (390 m)
Settlementsmorgan township

Seymour Lake is located in the town of Morgan in Orleans County, Vermont, an area known as the Northeast Kingdom. The lake was named for Israel Seymour, one of the original grantees. Natives called it Namagonic ("salmon trout spearing place").[1] It is one of only two deep, cold, and oligotrophic lakes in the Clyde River system.[2][3]

The freshwater lake covers 1,732 acres (7.01 km2) and is 3 miles (4.8 km) long and 2 miles (3.2 km) wide; its maximum depth is 167 feet (51 m). It is shaped like a giant number "7".[4] The lake is fed by two primary streams, an outlet from Mud Pond and Sucker Brook. The lake drains into Echo Pond, which empties into the Clyde River, Lake Memphremagog and, eventually, Canada's St. Lawrence River.

A dam is used for hydroelectric power. Construction on the dam was completed in 1928. It has a normal surface area of 2.8 square miles (7.3 km2). It is owned by Citizens Utilities Company.[5]

The dam is made of stone with a concrete core. The foundation is soil. The height is 7 feet (2.1 m) with a length of 68 feet (21 m). Maximum discharge is 85 cubic feet (2.4 m3) per second. Its capacity is 5,200 acre feet (6,400,000 m3). Normal storage is 3,500 acre feet (4,300,000 m3). It drains an area of 20.1875 square miles (52.285 km2).[5]

The dam was rebuilt in 2004.[3]


  1. ^ "Morgan, Vermont, New England, USA".
  2. ^ The other being Echo Lake
  3. ^ a b "Welcome to DEC - Department of Environmental Conservation" (PDF).
  4. ^ " - Beach Cams and Surf Report".
  5. ^ a b "Seymour Lake".

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