High Risk Dams in Pennsylvania

Pennsylvania has 145 high hazard dams with a condition assessment of poor or unsatisfactory. These are dams where failure would probably cause loss of human life and where recognized safety deficiencies have been identified.

Of the 780 high hazard dams in Pennsylvania, 145 (18%) have concerning condition ratings — 134 rated poor and 11 rated unsatisfactory.

Dam	County	Height (ft)	Condition	Purpose	Year
Little Pine Creek	Lycoming	113	Poor	Flood Risk Reduction	1950
North Fork	Somerset	105	Poor	Water Supply	1932
Dehart	Dauphin	105	Poor	Water Supply	1940
Mill Run	Blair	100	Poor	Water Supply	1957
Leavitt Branch (pa-463)	Monroe	90	Poor	Flood Risk Reduction	1976
Hinckston	Cambria	84	Poor	Water Supply	1905
Laurel Run Reservoir	Elk	84	Poor	Water Supply	1970
Ashland Reservoir	Schuylkill	80	Poor	Water Supply	1926
Frank E Heller	Lycoming	73	Poor	Water Supply	1975
Montgomery	Clearfield	71	Poor	Water Supply	1960
Bradford City No 5	McKean	68	Poor	Water Supply	1957
Ringtown No 5	Schuylkill	62	Poor	Water Supply	1914
Bellwood	Blair	61	Poor	Water Supply	1902
Dalton Run	Somerset	61	Poor	Water Supply	1905
John C Smith	Bedford	59	Poor	Water Supply	1932
Warren H Ohl	Clinton	59	Poor	Water Supply	1965
Lake Williams	York	58	Poor	Water Supply	1912
Township Line	Westmoreland	56	Poor	Recreation	1900
Upper Tumbling Run	Schuylkill	55	Poor	Water Supply	1836
Rockview Reservoir	Centre	53	Poor	Water Supply
Lake Heritage	Adams	53	Poor	Recreation	1966
Boyd Keller Reservoir	Clinton	53	Poor	Water Supply	1956
Lake Redman	York	52	Poor	Water Supply	1967
Lake Susquehanna	Luzerne	51	Poor	Recreation	1973
Lower Tumbling Run	Schuylkill	49	Poor	Water Supply	1832
Wilmore	Cambria	48	Poor	Water Supply	1908
Curtis	Lackawanna	45	Poor	Water Supply	1887
Lake George	Somerset	45	Poor	Recreation	1989
Dunmore No 7 Reservoir	Lackawanna	45	Poor	Water Supply	1872
Salt Run Reservoir	Cameron	44	Poor	Water Supply	1911
Pine Run No 1	Luzerne	43	Poor	Recreation	1884
Ethel Springs	Westmoreland	43	Poor	Water Supply	1900
Mount Airy	Monroe	42	Poor	Recreation	1974
Ryerson Station	Greene	42	Unsatisfactory	Recreation	1960
Lake Meade	Adams	42	Poor	Recreation	1967
Indian Run	Berks	40	Unsatisfactory	Water Supply	1890
Griffin	Lackawanna	40	Poor	Water Supply	1888
Indian Creek	Fayette	40	Poor	Water Supply	1905
Sheppard Myers	York	38	Poor	Water Supply	1933
Laurel Run No 2	Luzerne	37	Poor	Recreation	1885
Memorial Lake	Lebanon	37	Poor	Recreation	1946
Lower	Fayette	36	Poor	Recreation	1906
Canonsburg No 2	Washington	36	Poor	Recreation	1932
Minersville No 4	Schuylkill	36	Poor	Water Supply	1912
Union City Reservoir	Erie	36	Poor	Water Supply	1935
Kintz Creek (pa-439)	Pike	36	Poor	Flood Risk Reduction	1970
Carbaugh Run	Adams	35	Poor	Water Supply	1960
No 5	Lackawanna	35	Poor	Grade Stabilization	1888
Lake Choctaw	Schuylkill	34	Poor	Recreation	1974
Todd Spring Reservoir	Bedford	34	Poor	Water Supply	1898
Penn Lake	Luzerne	34	Poor	Recreation	1905
Sandy Run	Cambria	33	Poor	Recreation	1964
Shickshinny Lake	Luzerne	33	Poor	Recreation	1965
Belmont	Lackawanna	33	Poor	Water Supply	1903
Cherry Valley	Washington	33	Poor	Recreation	1947
Bradys Run	Beaver	33	Poor	Recreation	1949
Greenwood Lake	Schuylkill	32	Poor	Recreation	1880
Lake Swiftwater	Monroe	31	Poor	Recreation	1930
Moose Creek Reservoir	Clearfield	31	Poor	Water Supply	1910
Pa-445	Wayne	31	Poor	Flood Risk Reduction	1961
Wangaum Falls	Wayne	30	Poor	Recreation	1925
Bernhart	Berks	30	Unsatisfactory	Recreation	1865
Beaver Lake	Wayne	30	Poor	Recreation	1970
Upper Castanea Reservoir	Clinton	30	Unsatisfactory	Water Supply	1869
Maggio Estate No 2	Lycoming	29	Poor	Recreation	1953
Beech Mountain Lake	Luzerne	29	Poor	Recreation	1966
Martin (pa-419)	Wayne	29	Poor	Flood Risk Reduction	1960
Carbondale No 4	Lackawanna	28	Poor	Water Supply	1892
Lower Mount Pleasant	Luzerne	28	Poor	Water Supply	1882
Belmont Lake	Wayne	28	Poor	Recreation	1830
Christman	Berks	27	Poor	Recreation	1972
Huntsville	Luzerne	27	Poor	Water Supply	1891
Cokeburg	Washington	27	Poor	Recreation	1902
Marquette Lake	Lebanon	27	Poor	Recreation	1943
Cadjaw Pond	Wayne	27	Poor	Recreation	1914
Keen Lake	Wayne	26	Poor	Recreation	1851
Reynoldsville Storage #5	Jefferson	26	Poor	Water Supply	1901
Hankins Pond	Wayne	26	Unsatisfactory	Recreation	1830
Upper Ridge	Westmoreland	25	Poor	Water Supply	1915
Morris Run No 3	Tioga	25	Poor	Water Supply	1920
Lake Heron	Perry	25	Poor	Recreation	1970
Hull Plan Lake	Butler	25	Poor	Recreation
Middle	Monroe	24	Poor	Water Supply	1922
Trout Lake	Monroe	24	Poor	Recreation	1900
Chapman	Warren	24	Poor	Recreation	1949
Fawn Lake	Pike	24	Poor	Recreation	1973
University Park Airport Pond 1a	Centre	24	Poor	Flood Risk Reduction	1995
Penn Nursery	Centre	23	Poor	Irrigation	1972
Placid Lake	Carbon	23	Poor	Recreation	1963
Lake Somerset	Somerset	23	Poor	Recreation	1956
Upper Birchwood Lake	Pike	23	Poor	Recreation
Sonneborn (witco) Reservoir	Butler	23	Poor	Grade Stabilization	1951
Tamarack Lake A (pa-461a)	Crawford	23	Unsatisfactory	Flood Risk Reduction	1962
Martindale	Cambria	22	Poor	Water Supply	1910
Lake Akiba	Monroe	22	Poor	Recreation	1926
Spring Lake	Monroe	22	Poor	Recreation	1983
Millers Pond	Bradford	22	Poor	Recreation	1919
Eaton Reservoir	Erie	22	Poor	Water Supply	1939
Pioneer Lake	Indiana	21	Poor	Recreation
Lower Woods Pond	Wayne	21	Poor	Recreation	1848
Kephart	Centre	20	Poor	Recreation	1974
Lower Ridge	Westmoreland	20	Poor	Water Supply	1915
Upper Mount Pleasant	Luzerne	20	Poor	Recreation	1882
Glatco Lake	York	20	Unsatisfactory	Recreation
Pocono Highlands	Monroe	20	Poor	Recreation	1928
Saw Creek Club	Pike	20	Poor	Recreation	1919
Craft Pond	Wayne	19	Poor	Recreation	1892
Rocky Glen	Lackawanna	19	Poor	Recreation	1903
Kenda	Westmoreland	19	Poor	Recreation	1932
Tobyhanna No 2	Monroe	18	Poor	Recreation	1951
Lake Pinecrest	Luzerne	18	Poor	Recreation	1959
Middle Creek	Lancaster	18	Poor	Recreation	1971
Mountain Springs Lake	Monroe	18	Poor	Recreation	1919
Edinboro Lake	Erie	18	Poor	Recreation	1909
North Lake	Pike	18	Poor	Recreation	1972
Bel-aire Lake	Susquehanna	17	Poor	Recreation	1950
Ebensburg Storage	Cambria	16	Poor	Water Supply	1923
Briggs Street Detention	Lackawanna	16	Poor	Flood Risk Reduction
Glenburn Pond	Lackawanna	16	Unsatisfactory	Recreation	1854
Lake Mokoma	Sullivan	16	Poor	Recreation	1890
Lake Lattimore	Pike	15	Poor	Recreation	1930
Lower Alford Lake	Susquehanna	15	Poor	Recreation	1919
Rossiter	Indiana	15	Poor	Water Supply	1919
Egelman Reservoir	Berks	15	Poor	Water Supply	1901
Brinton Lake	Delaware	15	Poor	Recreation	1900
Lake Hamilton	Wayne	15	Poor	Recreation	1954
Lake Montrose	Susquehanna	14	Poor	Water Supply	1919
Cambridge Springs	Crawford	14	Poor	Recreation
Robert Christman	Monroe	13	Unsatisfactory	Recreation
Lake Carey	Wyoming	13	Poor	Recreation	1876
El-do Lake	Monroe	13	Poor	Recreation
Indian Mountain Lake	Monroe	13	Poor	Recreation	1960
Totem Lake	Bradford	12	Poor	Recreation	1919
Larsen Lake	Wayne	12	Poor	Recreation	1910
Lake Quinn	Wayne	12	Poor	Recreation	1946
Moon Lake	Schuylkill	12	Poor	Recreation
Deer Lake	Schuylkill	12	Poor	Recreation	1925
Jennings Pond	Wyoming	11	Poor	Recreation	1900
Spring Lake	Susquehanna	10	Poor	Recreation	1919
Lehman Lake	Pike	10	Unsatisfactory	Recreation	1890
Marshall Lake	Monroe	9	Unsatisfactory	Recreation	1904
Beaver Lake	Lycoming	9	Poor	Recreation	1919
Sweetwater Lake	Monroe	8	Poor	Recreation	1983
Pecks Pond	Pike	7	Poor	Recreation	1906
Negro Pond	Wyoming	7	Poor	Recreation	1919

← All dams in Pennsylvania · High risk dams nationwide