Shop Pond Dam

Shop Pond Dam is an earth dam located in Rockingham County, New Hampshire, built in 1930. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Shop Pond Dam

The primary purpose of Shop Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Town Of Hampstead (local government). It impounds the Tr Island Pond near Hampstead.

The dam stands 13 feet tall and stretches 240 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 16 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1930, the structure is well-established, with more than 75 years of service.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 10/03/2019.

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Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateNew Hampshire
CountyRockingham
Nearest CityHampstead
River/StreamTr Island Pond
Coordinates42.88270, -71.19160

Physical Characteristics

Dam TypeEarth
NID Height13 ft
Dam Height13 ft
Dam Length240 ft
Year Completed1930 (96 years old)

Storage & Hydraulics

NID Storage16 acre-ft
Max Storage16 acre-ft
Normal Storage3 acre-ft
Surface Area2 acres
Drainage Area2 sq mi
Max Discharge93 cfs

Ownership & Safety

PurposeRecreation
OwnerTOWN OF HAMPSTEAD
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection10/03/2019
Emergency Action PlanYes

Identifiers

NID IDNH02014
Federal IDNH02014
More InfoState Dam Safety Program

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