Pennsylvania Dams

1,481 dams tracked by the National Inventory of Dams

Total Dams

1,481

High Hazard

780

52.7%

Poor / Unsatisfactory

215

Average Age

80 yrs

Hazard Classification

High780 (52.7%)
Significant310 (20.9%)
Low378 (25.5%)

Condition Assessment

Satisfactory415 (28.0%)
Fair547 (36.9%)
Poor / Unsatisfactory215 (14.5%)
Not Rated304 (20.5%)

Federal

57

State

152

Local

351

Private

911

All Dams in Pennsylvania

Showing 151175 of 1,481

Dam NameHeight (ft)YearHazardCondition
Tipton

Blair County

661924HighFair
Tionesta Dam

Forest County

1541940HighNot Available
Tioga Dam

Tioga County

1411978HighNot Available
Tink Wig Lake

Pike County

111968SignificantFair
Tingley Lake

Susquehanna County

71919LowFair
Timber Lake B

Washington County

251956LowFair
Timber Lake

Washington County

171990SignificantFair
Timber Creek Condo

Montgomery County

101985SignificantFair
Timber

Chester County

191986SignificantSatisfactory
Thorn Run

Westmoreland County

221981LowSatisfactory
Thorn Run

Butler County

401903HighSatisfactory
Thorn Hill Park Detention Basin

Allegheny County

181987SignificantFair
Thomas W Koon

Bedford County

921932HighSatisfactory
Thomas Meeting Detention Basin

Chester County

51990SignificantFair
Thomas Creek (Rc & D-105)

Susquehanna County

241978HighSatisfactory
Thomas

Monroe County

101982SignificantPoor
Taylor Run

Tioga County

33LowNot Rated
Taylor Pond (Pa-446)

Pike County

761963HighFair
Taxiway "E" Detention Basin

Allegheny County

841996SignificantSatisfactory
Tanglwood Lake

Pike County

181965HighFair
Tamarack Lake B (Pa-461b)

Crawford County

211962HighFair
Tamarack Lake A (Pa-461a)

Crawford County

231962HighUnsatisfactory
Swimming

Bradford County

12LowNot Rated
Sweny

Erie County

241983LowNot Rated
Sweetwater Lake

Monroe County

81983HighPoor
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Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.