Flat Rock

Low HazardFair ConditionEmergency Action Plan: Not Required

Location

StatePennsylvania
CountyPhiladelphia
River/StreamSCHUYLKILL RIVER
Coordinates40.03972, -75.24694

Physical Characteristics

Dam TypeConcrete
NID Height21 ft
Dam Height21 ft
Dam Length510 ft
Year Completed1977 (49 years old)

Storage & Hydraulics

NID Storage1,500 acre-ft
Max Storage1,500 acre-ft
Normal Storage788 acre-ft
Surface Area105 acres
Drainage Area1,809 sq mi

Ownership & Safety

PurposeRecreation
OwnerDEP
Owner TypeState
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection11/09/2017
Emergency Action PlanNot Required

Identifiers

NID IDPA00896
Federal IDPA00896
More InfoState Dam Safety Program

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