Shannon Lake Dam

Significant HazardFair ConditionEmergency Action Plan: Yes

Location

StateNew Hampshire
CountyCarroll
Nearest CityMOULTONBOROUGH
River/StreamSHANNON BROOK
Coordinates43.73220, -71.32250

Physical Characteristics

Dam TypeEarth
NID Height20 ft
Dam Height20 ft
Dam Length300 ft
Year Completed1930 (96 years old)

Storage & Hydraulics

NID Storage21 acre-ft
Max Storage21 acre-ft
Normal Storage15 acre-ft
Surface Area4 acres
Drainage Area1 sq mi
Max Discharge3,195 cfs

Ownership & Safety

PurposeRecreation
OwnerCASTLE PRESERVATION SOCIETY
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection04/21/2022
Emergency Action PlanYes

Identifiers

NID IDNH00562
Federal IDNH00562
More InfoState Dam Safety Program

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