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Allegheny River Lock and Dam 4

Pennsylvania — Allegheny County — ALLEGHENY RIVER

Location

StatePennsylvania
CountyAllegheny
RiverALLEGHENY RIVER
Coordinates40.61359, -79.71803

Physical Characteristics

NID Height29 ft
Dam Height—
Dam Length954 ft
NID Storage9,000 acre-ft
Max Storage9,000 acre-ft
Surface Area710 acres

Safety Classification

Hazard PotentialSignificant
Condition AssessmentNot Available
EAP StatusYes
Last InspectionOctober 26, 2023
Inspection Frequency5

Dam Information

Year Completed1927
Primary PurposeNavigation
Dam TypeGravity
Owner TypeFederal
OwnerUSACE - Pittsburgh District
Other NameAllegheny River Pool 04

Location Map

About This Dam Record

Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.

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