Ammonoosuc River

Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateNew Hampshire
CountyGrafton
Nearest CityBath
River/StreamAmmonoosuc River
Coordinates44.16680, -71.96690

Physical Characteristics

Dam TypeConcrete
NID Height17 ft
Dam Height17 ft
Dam Length365 ft
Year Completed1900 (126 years old)

Storage & Hydraulics

NID Storage352 acre-ft
Max Storage352 acre-ft
Normal Storage280 acre-ft
Surface Area24 acres
Drainage Area395 sq mi
Max Discharge40,000 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeHydroelectric
OwnerBath Electric Power Company LLC
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection08/17/2022
Emergency Action PlanNot Required

Identifiers

NID IDNH00061
Federal IDNH00061
More InfoState Dam Safety Program

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