Gilman

Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateNew Hampshire
CountyCoos
Nearest CityDalton, NH
River/StreamConnecticut River
Coordinates44.40980, -71.71770

Physical Characteristics

Dam TypeConcrete
NID Height38 ft
Dam Height38 ft
Dam Length319 ft
Year Completed1898 (128 years old)

Storage & Hydraulics

NID Storage705 acre-ft
Max Storage705 acre-ft
Normal Storage705 acre-ft
Surface Area130 acres
Drainage Area1,514 sq mi
Max Discharge3,538 cfs
Spillway TypeControlled

Ownership & Safety

PurposeHydroelectric
OwnerAmpersand Gilman Hydro LP
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection06/12/2017
Emergency Action PlanNot Required

Identifiers

NID IDNH00366
Federal IDNH00366
More InfoState Dam Safety Program

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