Pearley Terrill Dam

Pearley Terrill Dam is an earth dam located in Coos County, New Hampshire, built in 1965. It carries a Low hazard potential classification.

About Pearley Terrill Dam

The primary purpose of Pearley Terrill Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Nh Fish And Game Department (state). It impounds the West Branch Indian Stream near Pittsburg.

The dam stands 14 feet tall and stretches 330 feet across, creates a reservoir covering 60 acres, has a maximum storage capacity of 336 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1965, 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. The most recent inspection on record was 06/16/2022.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateNew Hampshire
CountyCoos
Nearest CityPittsburg
River/StreamWest Branch Indian Stream
Coordinates45.21743, -71.34299

Physical Characteristics

Dam TypeEarth
NID Height14 ft
Dam Height14 ft
Dam Length330 ft
Year Completed1965 (61 years old)

Storage & Hydraulics

NID Storage336 acre-ft
Max Storage336 acre-ft
Normal Storage277 acre-ft
Surface Area60 acres
Drainage Area4 sq mi
Max Discharge900 cfs

Ownership & Safety

PurposeRecreation
OwnerNH FISH AND GAME DEPARTMENT
Owner TypeState
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection06/16/2022
Emergency Action PlanNot Required

Identifiers

NID IDNH00583
Federal IDNH00583
More InfoState Dam Safety Program

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