Wilder

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateNew Hampshire
CountyGrafton
Nearest CityWest Lebanon
River/StreamConnecticut River
Coordinates43.66680, -72.30410

Physical Characteristics

Dam TypeConcrete
NID Height59 ft
Dam Height59 ft
Dam Length2,900 ft
Year Completed1950 (76 years old)

Storage & Hydraulics

NID Storage55,000 acre-ft
Max Storage55,000 acre-ft
Normal Storage55,000 acre-ft
Surface Area3,100 acres
Drainage Area3,375 sq mi
Max Discharge302,000 cfs
Spillway TypeControlled

Ownership & Safety

PurposeHydroelectric
OwnerGreat River Hydro, LLC
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection06/09/2022
Emergency Action PlanYes

Identifiers

NID IDNH00259
Federal IDNH00259
More InfoState Dam Safety Program

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