Largest lakes & reservoirs in Maryland by water volume
This is a comparison for lakes within USA > Mid-Atlantic > Maryland > - Compared by Largest Lakes - Water Volume in acre-foot.For some lakes, "Largest Lakes - Water Volume" is unknown or does not apply, so this table may display fewer lakes than the total 8 articles we have published for Maryland lakes.
Note: In the United States, an acre foot is a unit of volume used to refer to large-scale bodies of water. It is defined by the volume of water needed to cover 1 acre of surface area to a depth of 1 foot.
Search results: Sort lakes by water volume
Lake name ![]() |
Water vol. in ac-ft ![]() |
Lake description |
---|---|---|
Liberty Reservoir (Central, Maryland, Mid-Atlantic, USA) |
132,000 ac-ft | (Also known as Liberty Lake) Liberty Reservoir, also known as Liberty Lake, is located in the Patapsco region of the Chesapeake Bay watershed within Maryland’s Baltimore suburbs.… |
Jennings Randolph Lake (Maryland, Mid-Atlantic, Potomac Highlands, South, USA, West Virginia, Western) |
130,900 ac-ft | (Also known as Jennings Randolph Reservoir, Bloomington Lake) Jennings Randolph Lake is nestled in a scenic valley along the North Branch Potomac River. This portion of the Potomac creates the county and state bo… |
Deep Creek Lake (Maryland, Mid-Atlantic, USA, Western) |
106,000 ac-ft | Deep Creek Lake is the largest inland body of water in Maryland, covering about 3,900 acres in the Allegheny Mountains of western Maryland. Since its… |
Prettyboy Reservoir (Central, Maryland, Mid-Atlantic, USA) |
90,100 ac-ft | Prettyboy Reservoir spreads out over 1,500 acres in northern Baltimore County, Maryland. It is named after Prettyboy Creek, which is a located in a se… |
Loch Raven Reservoir (Central, Maryland, Mid-Atlantic, USA) |
72,721 ac-ft | The Loch Raven Reservoir is located just a few miles north of Baltimore. Unspoiled and surrounded by forests and hiking trails, it has long provided M… |
Savage River Reservoir (Maryland, Mid-Atlantic, USA, Western) |
20,000 ac-ft | Fresh, crystal clear mountain water makes Savage River Reservoir a beautiful destination in northwestern Maryland. Located in a canyon of the Savage R… |
Little Seneca Lake (Capital, Maryland, Mid-Atlantic, USA) |
13,402 ac-ft | Little Seneca Lake, located near Boyds, Maryland, is the focal point of the Black Hill Regional Park and covers nearly 1/3 of its acreage. It lies in… |
Lake Needwood & Lake Frank (Capital, Maryland, Mid-Atlantic, USA) |
649 ac-ft | (Also known as Needwood Reservoir, Lake Bernard Frank, Bernard Frank Reservoir) Lake Needwood and its little neighbor, Lake Bernard Frank, offer a quiet respite from the busy, noisy metropolitan Washington DC landscape. The little… |