Dwinal Pond

Dwinal Pond is a concrete dam located in Penobscot County, Maine, built in 1947. It carries a Low hazard potential classification.

About Dwinal Pond

The primary purpose of Dwinal Pond is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Dwinal Pond 4 Seasons Club (private). It impounds the Dwinal Pond.

The dam stands 10 feet tall and stretches 100 feet across, creates a reservoir covering 30 acres, and has a storage capacity of 150 acre-feet. Completed in 1947, the structure is well-established, with more than 75 years of service.

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.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateMaine
CountyPenobscot
River/StreamDwinal Pond
Coordinates45.42691, -68.29635

Physical Characteristics

Dam TypeConcrete
NID Height10 ft
Dam Height10 ft
Dam Length100 ft
Year Completed1947 (79 years old)

Storage & Hydraulics

NID Storage150 acre-ft
Normal Storage150 acre-ft
Surface Area30 acres

Ownership & Safety

PurposeRecreation
OwnerDwinal Pond 4 Seasons Club
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDME96026
Federal IDME96026
More InfoState Dam Safety Program

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