Pillsbury Lake Dam

Pillsbury Lake Dam is an earth dam located in Merrimack County, New Hampshire, built in 1964. It carries a Low hazard potential classification and has a satisfactory condition assessment.

About Pillsbury Lake Dam

The primary purpose of Pillsbury Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Pillsbury Lake District (local government). It impounds the Deer Meadow Brook near Webster.

The dam stands 13 feet tall and stretches 280 feet across, creates a reservoir covering 67 acres, has a maximum storage capacity of 377 acre-feet, and collects water from a drainage area of 12 square miles. Completed in 1964, 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 06/07/2022.

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Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateNew Hampshire
CountyMerrimack
Nearest CityWebster
River/StreamDeer Meadow Brook
Coordinates43.27830, -71.68160

Physical Characteristics

Dam TypeEarth
NID Height13 ft
Dam Height13 ft
Dam Length280 ft
Year Completed1964 (62 years old)

Storage & Hydraulics

NID Storage377 acre-ft
Max Storage377 acre-ft
Normal Storage243 acre-ft
Surface Area67 acres
Drainage Area12 sq mi
Max Discharge640 cfs

Ownership & Safety

PurposeRecreation
OwnerPILLSBURY LAKE DISTRICT
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection06/07/2022
Emergency Action PlanNot Required

Identifiers

NID IDNH00083
Federal IDNH00083
More InfoState Dam Safety Program

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