Denley

Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateNew York
CountyLewis
Nearest CityPort Leyden
River/StreamBlack River
Coordinates43.54530, -75.32510

Physical Characteristics

Dam TypeConcrete
NID Height29 ft
Dam Height29 ft
Dam Length350 ft
Year Completed1912 (114 years old)

Storage & Hydraulics

NID Storage350 acre-ft
Max Storage350 acre-ft
Normal Storage350 acre-ft
Surface Area41 acres
Drainage Area398 sq mi
Max Discharge17,400 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeHydroelectric
Owner TypeNot Listed
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection09/19/2019
Emergency Action PlanNot Required

Identifiers

NID IDNY00310
Federal IDNY00310
More InfoState Dam Safety Program

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