Point Marion Lock And Dam

Significant HazardNot Available ConditionEmergency Action Plan: Yes

Location

StatePennsylvania
CountyGreene
Nearest CityPOINT MARION
River/StreamMONONGAHELA RIVER
Coordinates39.72755, -79.91180

Physical Characteristics

Dam TypeGravity
NID Height52 ft
Dam Length638 ft
Year Completed1959 (67 years old)

Storage & Hydraulics

NID Storage11,500 acre-ft
Max Storage11,500 acre-ft
Normal Storage11,500 acre-ft
Surface Area710 acres
Drainage Area2,715 sq mi
Max Discharge55,000 cfs
Spillway TypeControlled

Ownership & Safety

PurposeNavigation
OwnerUSACE - Pittsburgh District
Owner TypeFederal
Hazard ClassificationSignificant
Condition AssessmentNot Available
Last Inspection06/10/2024
Emergency Action PlanYes

Identifiers

NID IDPA00125
Federal IDPA00125
More InfoState Dam Safety Program

Nearby Dams

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