Deepest lakes & reservoirs in Massachusetts by maximum depth (ft)
The estimated greatest depth of the water in a lake can be 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.
You can find many of the the world’s deepest lakes on LakeLubbers. If you sort the list, you will find the (maximum depth of) the shallowest lakes in our database. Note: For some lakes, lake depth data is unknown, so this table may display fewer lakes than the total 19 articles we have published for Massachusetts lakes.
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Below are lakes within USA > US New England Region > Massachusetts > Compared by maximum depth in feet. This list does not represent all lakes in Massachusetts, only the 19 Massachusetts lake articles we have published on the LakeLubbers website.
Lake name  |
Max depth in feet |
Lake description |
|---|---|---|
| Quabbin Reservoir (Massachusetts, US New England Region, USA, Western Massachusetts) |
151 ft | One of the country’s largest man-made public water supplies, Quabbin Reservoir dominates the landscape in Western Massachusetts. Supplying much of the… |
| Colebrook River Lake, CT/MA (Connecticut, Litchfield Hills Region, CT, Massachusetts, US New England Region, USA, Western Massachusetts) |
136 ft | Also known as Colebrook River Reservoir With over 800 acres of boating and fishing waters, with no residential development, Colebrook River Lake – straddling the Connecticut and Massachusett… |
| Walden Pond (Greater Boston Region, MA, Massachusetts, US New England Region, USA) |
102 ft | Part of the American psyche for over 150 years, Walden Pond belongs to us all. This 61-acre ‘pothole lake’ just outside of Concord, MA was the home of… |
| Long Pond MA (Massachusetts, Southeastern Massachusetts, US New England Region, USA) |
102 ft | A large dose of nature’s best medicine awaits visitors to Long Pond in Massachusetts’ southeastern region. Located only a few miles west of Plymouth B… |
| Lake Quinsigamond, MA (Central Massachusetts, Massachusetts, US New England Region, USA) |
85 ft | Worcester, Massachusetts is well known for many things: John Adams taught school here before becoming the second President of the United States. Songw… |
| Lake Cochituate (Greater Boston Region, MA, Massachusetts, US New England Region, USA) |
69 ft | Also known as Cochituate Reservoir Lake Cochituate in the Greater Boston region of Massachusetts is a popular recreational lake just a short distance from the city. The lake, less than… |
| Onota Lake (Massachusetts, US New England Region, USA, Western Massachusetts) |
66 ft | Tucked away in the gently rolling hills of the Berkshires and surrounded by the City of Pittsfield, Onota Lake is a fantastic destination in the weste… |
| Otis Reservoir, MA (Massachusetts, US New England Region, USA, Western Massachusetts) |
48 ft | Also known as Otis Lake She sits by herself on the dock at Otis Reservoir; the coffee steaming in her mug mirrors the mist coming off the water of the lake. Her husband left… |
| Lake Cochichewick (Massachusetts, Northeastern & Merrimack Valley Region, MA, US New England Region, USA) |
45 ft | Also known as The Great Pond One of the earliest of Massachusetts’ iconic Great Ponds, beautiful Lake Cochichewick anchors the Town of North Andover to both its past and its futur… |
| Webster Lake, MA (Central Massachusetts, Massachusetts, US New England Region, USA) |
45 ft | Also known as Lake Chaubunagungamaug Webster Lake spans 1,442-acres in southern Massachusetts near the Connecticut border. This clear, spring-fed lake is one of the largest natural lakes… |
| Great Herring Pond (Massachusetts, Southeastern Massachusetts, US New England Region, USA) |
42 ft | Also known as Lake Manomet Nestled just minutes from Massachusetts’ southeastern coastline, Great Herring Pond is a cozy body of water with a surface area of 376 acres. Most of… |
| Pontoosuc Lake (Massachusetts, US New England Region, USA, Western Massachusetts) |
35 ft | Pontoosuc Lake is in the heart of the Berkshires, straddling the border between the City of Pittsfield and the Town of Lanesborough in the Western reg… |