Hannawa

Low HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateNew York
CountySt. Lawrence
Nearest CityPotsdam
River/StreamRaquette River
Coordinates44.61200, -74.97470

Physical Characteristics

Dam TypeGravity
NID Height34 ft
Dam Height34 ft
Dam Length255 ft
Year Completed1902 (124 years old)

Storage & Hydraulics

NID Storage690 acre-ft
Max Storage690 acre-ft
Normal Storage690 acre-ft
Surface Area204 acres
Drainage Area993 sq mi
Max Discharge12,700 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeHydroelectric
OwnerErie Boulevard Hydropower, L.P.
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection05/13/2019
Emergency Action PlanYes

Identifiers

NID IDNY00250
Federal IDNY00250
More InfoState Dam Safety Program

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