Webster

Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateNew Hampshire
CountyMerrimack
Nearest CityPembroke
River/StreamSuncook River
Coordinates43.12952, -71.45042

Physical Characteristics

Dam TypeConcrete
NID Height22 ft
Dam Height22 ft
Dam Length250 ft
Year Completed1917 (109 years old)

Storage & Hydraulics

NID Storage147 acre-ft
Max Storage147 acre-ft
Normal Storage147 acre-ft
Surface Area15 acres
Drainage Area259 sq mi
Max Discharge11,010 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeHydroelectric
OwnerPembroke Hydro Associates
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection05/25/2022
Emergency Action PlanYes

Identifiers

NID IDNH00378
Federal IDNH00378
More InfoState Dam Safety Program

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