Massena Intake

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateNew York
CountySt. Lawrence
Nearest CityMassena
River/StreamSt. Lawrence River
Coordinates44.95670, -74.92340

Physical Characteristics

Dam TypeConcrete
NID Height118 ft
Dam Height115 ft
Dam Length721 ft
Year Completed1958 (68 years old)

Storage & Hydraulics

NID Storage803,000 acre-ft
Max Storage803,000 acre-ft
Normal Storage750,000 acre-ft
Surface Area37,500 acres
Drainage Area300,000 sq mi
Spillway TypeNone

Ownership & Safety

PurposeHydroelectric
OwnerNew York Power Authority
Owner TypeState
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection08/02/2022
Emergency Action PlanYes

Identifiers

NID IDNY01437
Federal IDNY00678S002
More InfoState Dam Safety Program

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