Hadley (pa-489), Pennsylvania
Hadley Dam is impounded by Hadley (Pa-489) Dam on the Morrison Run River in Mercer County, Pennsylvania and is used for flood control purposes. Construction was completed in 1968. It has a normal surface area of 5 acres. It is owned by Mercer County Commissioners.
Hadley (pa-489), also known as Hadley Dam is of earthen construction. Its height is 51 feet with a length of 750 feet. Its capacity is 820 acre feet. Normal storage is 25 acre feet. It drains an area of 4.6 square miles.
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