Quaddick Lake, Connecticut, USA

Lake Locations:

USA - New England - Connecticut - Mystic Country -

Also known as:  Quaddick Reservoir

Northeast Connecticut is home to Quaddick Lake. This reservoir in Connecticut’s Mystic Country was created by damming the flow of Five Mile River to deepen the existing Kings Pond. The dam and levees raised water levels about 11 feet, causing the rising waters to connect more directly to Stump Pond to the north. The 407-acre reservoir now consists of three separate basins connected by culverts, several islands and a bevy of happy lakefront homeowners. At the time, the increased water volume drove water-powered mills. Today, it mostly keeps the local ‘lakelubbers’ contented.

Quaddick Lake is relatively shallow with an average depth of only six-and-a-half feet. This allows the water to warm early in the spring for swimming, fishing and water sports. The shallow water creates a mostly warm-water fishery, although an occasional trout grabs the hook. The southern portion of the middle basin-sometimes called Middle Lake-holds many private cottages and year-round homes. Other parts of the shoreline furnish wetlands for local wildlife habitat. About 25% of the shoreline is undeveloped and wooded. Quaddick Lake is conveniently located to metro areas such as Worcester, MA, Providence, RI and Hartford, CT.

Along the eastern edge of Middle Lake, Quaddick State Park offers picnicking, horseshoe pits, ball fields, a swimming beach, trailered boat launch and plenty of recreational amenities to visitors. There is a concession stand near the beach for snacks, and the 1.5-mile Red Trail Loop circles the interior of the park and allows foot traffic only. In winter, it is ideal for snowshoeing and cross-country skiing.

Quaddick Lake Association, comprised of local property owners, monitors lake water quality, coordinates weed control, sponsors a summer camp program and produces several fund-raising activities throughout the year. Due to the Association’s efforts, several weed control measures are now in place to contain excessive vegetation growth. As part of the on-going weed control efforts, lake levels are drawn down several feet in winter to freeze out some of the shallow-water weed beds.

The lake’s islands and shallow areas make the waters ideal for canoeing and kayaking. A hand-carry launch site for small boats is also located on the north basin (called Upper Lake or Stump Pond) on the west side near the bridge. The culverts between the basins are navigable only by small boat during periods of low water, so Middle Lake hosts most of the boat traffic. Kayak and canoe fans prefer to utilize either Upper Lake (Stump Pond) or Lower Lake for quiet-water paddling. Sailboats, jet skis and pontoons are seen on the lake, mostly piloted by local lakefront owners.

The most common fish caught are largemouth bass, yellow perch, black crappie, sunfish, bluegill and American eel. Northern pike are now stocked and becoming more of an angling target, including through the ice. Unfortunately, the state park closes the road to the launch site in winter, so ice anglers must reach the lake by walking with their gear from one of the parking areas about a quarter of a mile from the water’s edge.

The name Quaddick appears to be a variation of the Nipmuc Native American language meaning ‘bend in the river’. This area of Connecticut has many place names adopted from the area’s original residents. The name could also be a corruption of the term pattaquodtuck, meaning ’round hill near river’. The name pre-dates the creation of the reservoir and is used for several local features nearby such as Quaddick State Forest, which extends on both sides of the narrows between the Upper and Middle lakes. A variation of the name is commonly used for a section of the village south of nearby Thompson, CT, the nearest town. Thompson is a small old mill town with shopping and eating facilities, along with several inns, bed & breakfasts and country motels. The entire area is a perfect backdrop for a quiet, summer holiday-close enough to the bigger cities to provide entertainment and remote enough that there is plenty of room for bicycling, nature walks and scenic back road drives in the countryside.

For local sports, the Thompson Speedway Motorsports Park is one of the better-known race tracks in New England. Its 5/8ths-mile oval and adjacent 1.7-mile restored road course has one of the largest race schedules of any New England track. The schedule includes every type of event from modified NASCAR to road course racing. Throughout the summer, this facility also opens for auto-themed flea markets and swap meets, specialty car shows and even a ‘mud run’. Located less than a half mile west of Stump Pond, visitors with a racing fan in the family will want to take in at least one race. And for history buffs and antique hunting, Old Sturbridge Village is less than 30 miles away, just across the Massachusetts border.

Quaddick Lake doesn’t hold any large resorts but has a number of private lakefront rentals that will please nearly everyone in the family. There are even some rentals on islands in the lake that require arrival by water, complete with all the joys of a private island retreat. Many rentals include access to boats, pontoons and canoes or kayaks, with groceries and supplies located a short distance away. There are usually a few existing homes for sale along the shoreline in a variety of price ranges, and vacant land for development can still be found in some areas. Besides quiet country roads for strolling, the town of Thompson also holds several marked trails for wildlife viewing and photography, along with convenient cross-country ski trails. Quaddick Lake is a perfect Connecticut getaway destination: not particularly well-known and thus still somewhat secluded. It’s a lucky visitor who secures a reservation for a week on Quaddick Lake.

Things to do at Quaddick Lake

  • Vacation Rentals
  • Fishing
  • Boating
  • Sailing
  • Swimming
  • Beach
  • Canoeing
  • Kayaking
  • Jet Skiing
  • Picnicking
  • Hiking
  • Biking
  • Cross-Country Skiing
  • Snowshoeing
  • Hunting
  • Wildlife Viewing
  • State Park
  • State Forest
  • Antiquing
  • NASCAR
  • Shopping

Fish species found at Quaddick Lake

  • Bass
  • Black Bass
  • Black Crappie
  • Bluegill
  • Crappie
  • Eel
  • Largemouth Bass
  • Northern Pike
  • Perch
  • Pike
  • Sunfish
  • Trout
  • Yellow Perch

Quaddick Lake Photo Gallery

  • CT:Quiet Corner,Thompson,Quaddick Lake

Quaddick Lake Statistics & Helpful Links

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Lake Type: Natural Freshwater Lake, Dammed

Surface Area: 407 acres

Normal Elevation (Full Pond): 404 feet

Average Depth: 6 feet

Maximum Depth: 25 feet

Water Volume: 2,988 acre-feet

Completion Year: 1867

Water Residence Time: 33 days

Drainage Area: 24 sq. miles

Trophic State: Mesotrophic

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Trophic State | LakeLubbers

Trophic State measures the level of algae and nutrients in a lake.

An oligotrophic lake is very clear (blue in color) and does not support much plant or fish life. A hyper-oligotrophic lake is the clearest of all lakes, and is nearly devoid of plants and fish.

A mesotrophic lake is slightly green and supports a moderate degree of plant and fish life. A lake's most desired trophic state is generally this mid-point - the mesotrophic state.

A eutrophic lake is somewhat murky and supports a large amount of plant and fish life. A hypereutrophic lake is clouded with algae, plant life, and fish life. A eutrophic or hyper-eutrophic lake can be difficult to navigate by boat - and is often an unpleasant place to swim.

The use of phosphorus-rich and nitrogen-rich fertilizer on lawns and golf courses surrounding a lake can cause it to become eutrophic or hypereutrophic.


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Catchment or Drainage Area | LakeLubbers

This is the surrounding area that drains into a lake, including land, rivers and their tributaries. This is also known as the lake's "catchment basin".

Small lakes at the highest peaks of mountains have small drainage areas. The world's oceans have the largest drainage areas.


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Lake-Area Population | LakeLubbers

This is the estimated number of people who live in a house with a view of a lake, plus those who self-describe the lake as their home, for example: "I live at Smith Mountain Lake."


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Water Residence Time | LakeLubbers

This is the estimated time that it takes for an amount of water equal to the entire volume of a lake to flow out of - or evaporate from - the lake.

Residence Time can be as short as a few days for fast-flowing small lakes, and can exceed 100 years for slow-flowing large lakes.


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Completion Year | LakeLubbers

This is the year that a reservoir was first filled to the reservoir's normal elevation - or the year that a natural lake was first dammed. A large reservoir can take more than a year to fill after its dam is first closed.

The Grand Anicut in southern India is generally considered the world's oldest dam that still operates. Grand Anicut was constructed in the second century BC. It now impounds an irrigation network that includes roughly one million acres.

You can find many of the the world's newest reservoirs on LakeLubbers. Many of the world's oldest reservoirs appear on the last page of that list.


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Water Volume | LakeLubbers

This is the estimated volume of water that a lake contains -- measured at the lake's normal elevation. By this measure, the world's largest freshwater lake is Siberia's Lake Baikal.

You can find many of the the world's largest lakes (by water volume) on LakeLubbers.

Water Volume can be measured in acre-feet, in cubic miles, or in cubic kilometers. One acre-foot is the amount of water needed to cover one acre (43,560 square feet) to a depth of one foot. One cubic mile equals 3,379,200 acre-feet. One cubic kilometer equals 810,713 acre-feet.

1 acre-foot is equal to 325,851 US gallons. Siberia's Lake Baikal contains about 6,276,367,740,000,000 gallons of freshwater - nearly 1 million gallons for every living person on earth.

The other - and more widely used - measure of a lake's size is the lake's surface acreage. By that measure, the world's largest freshwater lake is North America's Lake Superior.


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Maximum Depth | LakeLubbers

This is the estimated greatest depth of the water in a lake -- measured at the lake's normal elevation. The world's deepest lake is Siberia's Lake Baikal; that lake's maximum depth is estimated at 5,314 feet.

You can find many of the the world's deepest lakes on LakeLubbers. If you select the last page of that list, you will find the (maximum depth of) the shallowest lakes in our database.


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Average Depth | LakeLubbers

This is the estimated average depth of the water in a lake -- measured at the lake's normal elevation. If the water volume and surface area of a lake are known, an estimate of the lake's average depth can be calculated:

Water volume ÷ Surface Area = Average Depth

Example: 1,000,000 acre-feet ÷ 20,000 acres = 50 feet average depth


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Maximum Elevation | LakeLubbers

This is a lake's highest water level, measured by the lake's surface distance above sea level, that can occur during flooding. A lake's highest possible maximum elevation is usually the top of the lake's dam or spillway.

At lakes that include residential development, government regulations usually forbid the construction of homes below a lake's maximum elevation.


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Minimum Elevation | LakeLubbers

This is a lake's lowest water level, measured by the lake's surface distance above sea level, that can be reasonably expected to occur. Low lake levels can occur due to deliberate seasonal draw downs for irrigation or impending snow melt, reduced water inflows, drought and evaporation, residential or commercial water demands, and hydropower generation.

Some lakes' minimum and maximum elevations are virtually the same. Lakes that generate hydropower may vary by several feet - according to power demand. Lakes whose primary purpose is to prevent flooding can seasonally vary by 100 feet or more.

When some lakes reach their minimum elevation, their boat ramps may not be long enough to permit boat access - and boats docked on shallow parts of the lake may end up on dry ground. In those cases, kayakers and shore-based anglers may be among the few happy recreational users of the lake.


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Normal Elevation | LakeLubbers

This is a lake's normal water level, measured by the lake's surface distance above sea level. For a reservoir, this water level is also known as "full pond" or "full pool".

You can find many of the world's highest-elevated lakes on LakeLubbers. Lakes with the lowest elevations (known by LakeLubbers) are shown on the final page of that list.


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Shoreline Length | LakeLubbers

This is the length of the exterior shoreline around a lake - measured at the lake's normal elevation. The shoreline length can be considerably shorter or longer when lake water levels are lower or higher than normal.

A lake with many coves has a much longer shoreline than a lake of similar surface area that is nearly circular in shape.

When known, the shoreline miles that we report in our statistics include only the lake's exterior shoreline, and exclude the shorelines of islands located within a lake's boundaries. In lakes with many islands, those islands' combined shorelines may exceed a lake's exterior shoreline.

You can find many of the world's longest-shoreline lakes on Lakelubbers.


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Surface Area | LakeLubbers

This is the area (acreage, square kilometers, etc.) of the top surface area of a lake - measured at a lake's normal elevation. The surface area can be considerably smaller or larger when lake levels are lower or higher than normal. North America's Lake Superior is the world's largest freshwater lake by this measure.

The other measure of a lake's size is the lake's water volume. By that measure, the world's largest freshwater lake is Lake Baikal in Siberia.

You can find many of the world's largest lakes (acres) on Lakelubbers. There is no widely-accepted minimum surface area that defines a lake. What Lakelubbers describes as a lake, you might call a pond. The smallest lake that Lakelubbers currently includes is Hawaii's 2-acre Lake Waiau.


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Water Level Control | LakeLubbers

This is the organization that controls water releases or outflows from the lake or reservoir. In the USA, this is often the US Army Corps of Engineers, a power company, a municipal water system, an irrigation district, or a paper manufacturing company. In the case of private or gated lakes, a homeowners' association may be the lake's controlling authority.

Many lakes cross borders, including North America's Great Lakes. The control of such lakes and their coveted freshwater may be amicably shared - or hotly disputed.

"Water wars" continue at many lakes as growing populations and crop irrigation needs compete for the freshwater that lakes contain.


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Lake Type | LakeLubbers

There are 3 basic types of lakes that are currently included on LakeLubbers. 2 types may be dammed or not dammed, producing 5 classifications.

- A Reservoir is a man-made freshwater lake that is usually created by damming rivers.

- A Natural Freshwater Lake occurs naturally - often by glacial activity - and has a salinity of less than 30 parts per thousand. It may be dammed to produce electricity or for other reasons.

- A Natural Saltwater Lake occurs naturally and has a salinity of more than 30 parts per thousand (ppt). It may be dammed.

"Brackish" water may be categorized as freshwater or saltwater, depending on its salt content (salinity). Oligohaline water has less than 15 ppt of salt. Mesohaline water has 15-29 ppt. Polyhaline has 30-335 ppt.


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