Cole Pond Dam

Cole Pond Dam is a concrete dam located in Merrimack County, New Hampshire, built in 1973. It carries a Low hazard potential classification and has a satisfactory condition assessment.

About Cole Pond Dam

The primary purpose of Cole Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Ragged Mountain Fish And Game Club (private). It impounds the Tr Black River near Andover.

The dam stands 10 feet tall and stretches 110 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 131 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1973, the structure is well into its service life at over 50 years old.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 06/16/2022.

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Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateNew Hampshire
CountyMerrimack
Nearest CityAndover
River/StreamTr Black River
Coordinates43.45316, -71.84913

Physical Characteristics

Dam TypeConcrete
NID Height10 ft
Dam Height10 ft
Dam Length110 ft
Year Completed1973 (53 years old)

Storage & Hydraulics

NID Storage131 acre-ft
Max Storage131 acre-ft
Normal Storage87 acre-ft
Surface Area14 acres
Drainage Area1 sq mi
Max Discharge359 cfs

Ownership & Safety

PurposeRecreation
OwnerRAGGED MOUNTAIN FISH AND GAME CLUB
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection06/16/2022
Emergency Action PlanNot Required

Identifiers

NID IDNH00622
Federal IDNH00622
More InfoState Dam Safety Program

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