Following is a list of dams and reservoirs in Pennsylvania. All major dams are linked below. The National Inventory of Dams defines any "major dam" as being tall with a storage capacity of at least , or of any height with a storage capacity of .

Dams and reservoirs in Pennsylvania

Allegheny National Forest PA Kinzua Dam1

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Adam T. Bower Memorial Dam The Adam T. Bower Memorial Dam (formerly known as the Sunbury Fabridam) is the world's longest inflatable dam. The dam is located just below the confluence of the Western and Main Branches of the Susquehanna River, in Upper Augusta Township, be ...

, Lake Augusta, Commonwealth of Pennsylvania * Allegheny River Lock and Dam No. 2, USACE * Allegheny River Lock and Dam No. 3, USACE * Allegheny River Lock and Dam No. 4, USACE * Allegheny River Lock and Dam No. 5, USACE * Allegheny River Lock and Dam No. 6, USACE * Allegheny River Lock and Dam No. 7, USACE *

Allegheny River Lock and Dam No. 8 Allegheny River Lock and Dam No. 8 is a historic Lock (water transport), lock and fixed-crest dam complex located at Boggs Township, Armstrong County, Pennsylvania, Boggs Township and Washington Township, Armstrong County, Pennsylvania, Washington ...

, USACE *

Allegheny River Lock and Dam No. 9 Allegheny River Lock and Dam No. 9 is a historic lock and fixed-crest dam complex located at Madison Township and Washington Township in Armstrong County, Pennsylvania. It was built between 1935 and 1938 by the United States Army Corps of Enginee ...

, USACE *

Alvin R. Bush Dam Kettle Creek Reservoir is a reservoir at Kettle Creek State Park in Leidy Township, Clinton County, Pennsylvania in the United States. It is open to some recreational boating, fishing and ice fishing. It was constructed by the U.S. Army Cor ...

, USACE * Austin Dam (Bayliss Dam), unnamed reservoir, privately owned (failed 1911) * Beaver Run Dam,

Beaver Run Reservoir Beaver Run Reservoir (also known as Beaver Dam Reservoir) is a reservoir in Westmoreland County, Pennsylvania, Westmoreland County in the U.S. state of Pennsylvania, east of Pittsburgh. The elevation of Beaver Run Reservoir is above sea level. T ...

, Municipal Authority Of Westmoreland County * Beltzville Dam,

Beltzville Lake Beltzville State Park is a Pennsylvania state park in Franklin and Towamensing townships, Carbon County, Pennsylvania in the United States. The park opened in 1972, and was developed around the U.S. Army Corps of Engineers flood control proje ...

, USACE * Braddock Locks & Dam, Monongahela River, USACE * Brandonville Pumping Station Dam, NDS ID Number PA-661 Susquehanna River Basin, Davis Run, Schuylkill County * Charleroi Locks & Dam, Monongahela River, USACE *

Conemaugh Dam Conemaugh Dam (also known as Conemaugh River Dam or Conemaugh River Lake Dam) is a concrete gravity dam across the Conemaugh River, near the town of Saltsburg, in Pennsylvania. The dam was authorized by the Flood Control Act of 1936 and completed i ...

Conemaugh River Lake Conemaugh may refer to the following locations in Pennsylvania: *Conemaugh Township, Cambria County, Pennsylvania **East Conemaugh, Pennsylvania, a borough within the township *Conemaugh Township, Indiana County, Pennsylvania *Conemaugh Township, S ...

, USACE * Crooked Creek Dam,

Crooked Creek Lake Crooked Creek Lake Recreation Area is a U.S. Army Corps of Engineers administered site surrounding Crooked Creek Lake in Armstrong County, Pennsylvania, Armstrong County in the U.S. state of Pennsylvania. The reservoir was created by the construc ...

, United States Army Corps of Engineers * Curwensville Dam, Curwensville Lake, USACE * Dashields Locks and Dam,

Ohio River The Ohio River is a long river in the United States. It is located at the boundary of the Midwestern and Southern United States, flowing southwesterly from western Pennsylvania to its mouth on the Mississippi River at the southern tip of Illino ...

, USACE *

Davis Island Lock and Dam Site The Davis Island Lock and Dam Site on the Ohio river in Avalon, Pennsylvania, is the site of the former Davis Island lock that was completed in 1885. The lock and dam existed from 1878 to 1922, designed by William Emery Merrill and the U.S. Arm ...

, USACE (abandoned) *

DeHart Dam DeHart is a surname and occasionally used as a given name. Notable people with the name include: ;Given name * DeHart Hubbard (1903–1976), American track-and-field athlete * DeHart H. Ames (1872–1955), American businessman and politician from N ...

, Dehart Reservoir, City of Harrisburg *

Dock Street Dam The Dock Street Dam is a low-head dam that crosses the Susquehanna River between the Shipoke neighborhood of Harrisburg, Pennsylvania, on the east shore and Lemoyne on the west shore. It is constructed of hollow reinforced concrete buttress da ...

, on the

Susquehanna River The Susquehanna River (; Lenape: Siskëwahane) is a major river located in the Mid-Atlantic region of the United States, overlapping between the lower Northeast and the Upland South. At long, it is the longest river on the East Coast of the ...

, City of Harrisburg *

East Branch Clarion River Lake East Branch Clarion River Lake, or East Branch Lake is a reservoir at Elk State Park in Elk County, Pennsylvania, in the United States. It was constructed by the U.S. Army Corps of Engineers by damming the East Branch of the Clarion River. Const ...

, USACE * Elizabeth Locks & Dam, Monongahela River, USACE * Emsworth Locks and Dams,

, USACE *

Francis E. Walter Dam The Francis E. Walter Dam is an embankment dam located in Bear Creek Township, Luzerne County, Pennsylvania, U.S. Constructed in 1961 by the United States Army Corps of Engineers, it spans the Lehigh River at its confluence with the tributary B ...

, Francis E. Walter Reservoir, USACE * George B. Stevenson Dam, USACE *

Grays Landing Lock & Dam Grays Landing Lock and Dam, previously known as Lock and Dam Number 7, is one of nine navigational structures on the Monongahela River between Pittsburgh, Pennsylvania and Fairmont, West Virginia. Maintained and built by the U.S. Army Corps of E ...

, Monongahela River, USACE * H. A. Stewart Dam, Latrobe Reservoir, City of Latrobe * Holtwood Dam, Lake Aldred, Pennsylvania Power and Light * Kinzua Dam, Allegheny Reservoir, USACE *

Lake Arthur Dam Lake Arthur Dam
from the

Lake Arthur, Commonwealth of Pennsylvania * Laurel Creek Dam, Municipal Authority of the Borough of Lewistown *

Laurel Run Dam The Laurel Run Dam, also known as Laurel Run Dam No. 2, was an earthen embankment dam that failed during the Johnstown flood of 1977, Johnstown Flood of 1977. It had the largest reservoir of seven dams to fail between July 19 and 20, 1977 and cause ...

Laurel Run Reservoir Laurel may refer to: Plants * Lauraceae, the laurel family * Laurel (plant), including a list of trees and plants known as laurel People * Laurel (given name), people with the given name * Laurel (surname), people with the surname * Laurel (m ...

, Johnstown Water Authority (failed) * Letterkenny Dam, Letterkenny Reservoir on the Conodoguinet Creek, Letterkenny Industrial Development Authority and Franklin County General Authority *

Mahoning Creek Dam The Mahoning Creek Dam is a dam in Armstrong County, Pennsylvania. History and notable features The concrete gravity dam was constructed in 1941 by the United States Army Corps of Engineers, with a height of 162 feet, and a length of 926 feet at ...

Mahoning Creek Lake Mahoning may refer to: Communities * Mahoning, Ohio, an unincorporated community in Portage County * Mahoning County, Ohio * Mahoning Township, Armstrong County, Pennsylvania * Mahoning Township, Carbon County, Pennsylvania * Mahoning Township, Law ...

, USACE *

Maxwell Lock & Dam Maxwell Lock and Dam is a lock (water transport), navigational lock and gated dam on the Monongahela River between Centerville, Washington County, Pennsylvania, Centerville in Washington County, Pennsylvania, Washington County, and Luzerne Townshi ...

, Monongahela River, USACE * Meadow Run Dam in Bear Creek, privately owned * Meadow Grounds Dam,

Meadow Grounds Lake Meadow Grounds Lake was completed in June of 1964 and is a 204-acre reservoir located within State Game Lands 53 in Fulton County, Pennsylvania. The dam and lake areas are leased to the Pennsylvania Fish and Boat Commission (PFBC) by the Pennsylvan ...

, Pennsylvania Game Commission * Montgomery Island Locks and Dam,

, USACE * Mountain Lake Dam in Bear Creek, privately owned * Nockamixon Dam, Lake Nockamixon, Commonwealth of Pennsylvania *

Point Marion Lock and Dam Point Marion Lock and Dam, previously known as Lock and Dam Number 8, is one of nine navigational structures on the Monongahela River between Pittsburgh, Pennsylvania and Fairmont, West Virginia. Maintained and built by the U.S. Army Corps of Engi ...

, unnamed reservoir on the Monongahela River, USACE * Quemahoning Dam,

Quemahoning Reservoir The Quemahoning Reservoir, also known to locals as The Dam, is created by the Quemahoning Dam, located on Quemahoning Creek on the border of Quemahoning Township, Somerset County, Pennsylvania, Quemahoning Township, Conemaugh Township, Somerset ...

Cambria Somerset Authority The Cambria Somerset Authority (CSA) was formed in 1999, in anticipation of acquiring water interests and related land properties of Manufacturers Water Company, a subsidiary of Bethlehem Steel Corporation. Transfer of ownership occurred in Augus ...

Raystown Dam Raystown Lake is a reservoir in Huntingdon County, Pennsylvania. It is the largest lake that is entirely within Pennsylvania. The original lake was built by the Simpson family of Huntingdon as a hydroelectric project. The current Raystown Lake ...

, Raystown Lake, USACE * Rocky Glen Dam in Moosic, former amusement park now privately owned (Dam lowered by request of DEP-Division of Dam Services) * Safe Harbor Dam,

Lake Clarke Lake Clarke in Pennsylvania is a man-made lake along the Susquehanna River formed by the Safe Harbor Dam, a public works project of the 1930s Great Depression and one of the electrification projects of the New Deal. It is approximately long cent ...

, Safe Harbor Water Power Corporation * Segriest Dam, Lebanon Reservoir, City of Lebanon * Shenango Dam,

Shenango River Lake Shenango River Lake is a reservoir in the Shenango River Valley of western Pennsylvania and northeastern Ohio. Authorized by the Flood Control Acts of 1938, the lake is one of 16 flood control projects in the Pittsburgh District designed to preve ...

, USACE * South Fork Dam, failed in 1889 causing the Johnstown Flood, privately owned * Tionesta Dam,

Tionesta Lake Tionesta can refer to: * Tionesta, California, an unincorporated town * Tionesta, Pennsylvania Tionesta is a borough in Forest County, Pennsylvania, United States. The population was 475 at the 2020 Census. It is the county seat of Forest County ...

, USACE * Wallenpaupack Dam,

Lake Wallenpaupack Lake Wallenpaupack is a reservoir in Northeastern Pennsylvania. After Raystown Lake, it is the second-largest lake contained entirely in Pennsylvania. It comprises of shoreline, with a length of and a maximum depth of , and has a surface area in ...

Talen Energy Transcription activator-like effector nucleases (TALEN) are restriction enzymes that can be engineered to cut specific sequences of DNA. They are made by fusing a TAL effector DNA-binding domain to a DNA cleavage domain (a nuclease which cuts DN ...

* Warrior Ridge Dam and Hydroelectric Plant, unnamed reservoir, privately owned *

Wrightsville Dam The Wrightsville Dam was a 19th-century dam on the lower Susquehanna River between Wrightsville and Columbia, Pennsylvania. The low-head dam was constructed in 1840 to impound the waters of the Susquehanna to provide a slackwater pool to allow ...

, unnamed reservoir (demolished) * Yellow Creek Dam, Yellow Creek Lake *

York Haven Dam The York Haven Dam is a low head, run-of-the river, dam and hydroelectric plant that is located on the Susquehanna River in the United States. This dam is situated south of Harrisburg, Pennsylvania, at the Conewago Falls impounding about of the ...

, Lake Fredrick reservoir on the

, Cube Hydro Partners * Youghiogheny Dam, Youghiogheny River Lake, USACE

References

{{Dams and reservoirs in US Pennsylvania Dams Dams

Dams and reservoirs in Pennsylvania

See also

References