Dams in Montgomery County, Pennsylvania

28Total Dams

13High Hazard

10Significant

Dam	Hazard	Condition	Height (ft)	Purpose	Year
Green Lane Reservoir	High	Satisfactory	87	Water Supply	1957
Saw Mill	High	Fair	47	Flood Risk Reduction	1968
Martins	High	Fair	23	Recreation	1886
Knight	High	Fair	22	Recreation	1960
Pine Run Flood Retarding	High	Satisfactory	21	Flood Risk Reduction	2014
Deep Creek	High	Fair	19	Recreation	1939
Loch Alsh Reservoir	High	Satisfactory	16	Recreation	1915
Andorra Springs Basin B	High	Fair	16	Flood Risk Reduction
Rapp Run Flood Retarding	High	Satisfactory	16	Flood Risk Reduction	2014
Remington Road Detention	High	Fair	16	Flood Risk Reduction	1979
Susquehanna Woods Lower	High	Fair	14	Flood Risk Reduction	2005
Golf Ridge Lower	High	Fair	12	Recreation	1996
Mill Creek Detention Basin	High	Fair	11	Flood Risk Reduction	1986
Graterford Sewage Lagoons	Significant	Fair	35	Other	1986
Estates Of Audubon	Significant	Poor	20	Recreation	1992
Horsham Towne Upper Pond	Significant	Fair	17	Flood Risk Reduction
Horsham Towne Lower Pond	Significant	Fair	16	Flood Risk Reduction	1988
Renaissance Regional Basin	Significant	Satisfactory	15	Flood Risk Reduction
Sunny Brook Estates # 1	Significant	Fair	14	Flood Risk Reduction	1999
Penallen	Significant	Fair	12	Flood Risk Reduction	1982
Rinehart	Significant	Satisfactory	12	Recreation	1988
Timber Creek Condo	Significant	Fair	10	Flood Risk Reduction	1985
Knox Road Detention	Significant	Fair	10	Flood Risk Reduction	1979
Sterling Drug	Low	Poor	19	Flood Risk Reduction
Camp Delmont	Low	Fair	19	Recreation	1947
Metroplex	Low	Fair	15	Flood Risk Reduction	1999
Norristown (swede Street)	Low	Satisfactory	12	Recreation	1800
Black Rock	Low	Satisfactory	11	Water Supply	1900