Largest lakes & reservoirs in Pennsylvania by water volume
This is a comparison for lakes within USA > Mid-Atlantic > Pennsylvania > - 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 40 articles we have published for Pennsylvania 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 |
---|---|---|
Lake Erie (Canada, Chautauqua-Allegheny, Great Lakes, Greater Niagara, Michigan, Mid-Atlantic, Midwest, New York, Northeast, Northwest, Ohio, Ontario, Pennsylvania, Southeast, USA) |
391,987,200 ac-ft | Lake Erie, one of the Great Lakes of North America, straddles the borders of Ohio, Pennsylvania, New York, Michigan, and the Canadian province of Onta… |
Allegheny Reservoir (Chautauqua-Allegheny, Mid-Atlantic, New York, Pennsylvania, Pennsylvania Wilds, USA) |
579,840 ac-ft | (Also known as Kinzua Dam Lake, Kinzua Lake, Lake Kinzua) Flowing across tree-covered hills in northwestern Pennsylvania and southwestern New York, the Allegheny Reservoir’s 12,080 acres provide an open invit… |
Pymatuning Lake (Great Lakes, Mid-Atlantic, Midwest, Northeast, Ohio, Pennsylvania, USA) |
188,000 ac-ft | (Also known as Pymatuning Reservoir) Pymatuning Lake, located in northwestern Pennsylvania and spilling over into northeastern Ohio, is a lake of superlatives: Clocking in at 17,088 acres… |
Beltzville Lake (Mid-Atlantic, Northeastern Mountains, Pennsylvania, USA) |
41,250 ac-ft | (Also known as Beltzville Reservoir) The Pennsylvania Pocono Mountains are spectacular for many reasons, and Beltzville Lake is one of them. Located in the southern foothills of these fam… |
Lake Nockamixon (Mid-Atlantic, Pennsylvania, Philadelphia & Countryside, USA) |
39,900 ac-ft | Lake Nockamixon, located in the 5,283 acre Nockamixon State Park, is located in southeastern Pennsylvania’s Bucks County. The 1,450 acre reservoir is… |
Lake Arthur (Mid-Atlantic, Pennsylvania, Pittsburgh & Countryside, USA) |
37,000 ac-ft | In the warm summer breeze, sailboats dart like flocks of colorful birds across Lake Arthur’s clear Pennsylvania waters. Located in Butler County, this… |
Cowanesque Lake (Mid-Atlantic, Pennsylvania, Pennsylvania Wilds, USA) |
32,600 ac-ft | Peacefully nestled between forested ridges in north central Pennsylvania lies Cowanesque Lake. Located near the New York state line, the name Cowanesq… |
Shenango River Lake (Great Lakes, Mid-Atlantic, Midwest, Northeast, Ohio, Pennsylvania, USA) |
29,920 ac-ft | (Also known as Shenango Reservoir) Located mostly in northwestern Pennsylvania between Greenville PA and Sharon PA – and spilling into northeastern Ohio – Shenango River Lake provides f… |
Harveys Lake PA (Mid-Atlantic, Northeastern Mountains, Pennsylvania, USA) |
23,835 ac-ft | (Also known as Harvey's Lake) With a surface area of 658 acres, Harveys Lake is Pennsylvania’s largest natural lake by total volume of water. Located in the Northeastern Mountain R… |
Lake Wilhelm (Great Lakes, Mid-Atlantic, Pennsylvania, USA) |
17,825 ac-ft | Lake Wilhelm was created in 1971 with the damming of Sandy Creek for flood control purposes. Lake Wilhelm is a shallow lake with a maximum depth of ab… |
Indian Lake PA (Mid-Atlantic, Pennsylvania, Pittsburgh & Countryside, USA) |
10,495 ac-ft | Indian Lake is a freshwater man-made lake shaped like a horseshoe, located in Somerset County, Pennsylvania. It is part of the state’s Laurel Highland… |
Beaverdam Reservoir (Allegheny Mountains & Valleys, Mid-Atlantic, Pennsylvania, USA) |
7,672 ac-ft | (Also known as Beaverdam Run Reservoir) Tucked away in rural Cambria County, in Pennsylvania’s Allegheny Mountains and Valleys region, Beaverdam Reservoir provides a welcome natural respite… |