Rocky Lake

Rocky Lake is a timber crib dam located in Washington County, Maine, built in 1966. It carries a Low hazard potential classification.

About Rocky Lake

Rocky Lake is a dam in Washington, Maine. The dam is owned by Ifw/state Of Maine (state). It impounds the Rocky Lake.

The dam stands 14 feet tall and stretches 120 feet across, creates a reservoir covering 1,020 acres, has a maximum storage capacity of 10,243 acre-feet, and collects water from a drainage area of 16 square miles. Completed in 1966, 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.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateMaine
CountyWashington
River/StreamRocky Lake
Coordinates44.77134, -67.26357

Physical Characteristics

Dam TypeTimber Crib
NID Height14 ft
Dam Height14 ft
Dam Length120 ft
Year Completed1966 (60 years old)

Storage & Hydraulics

NID Storage10,243 acre-ft
Max Storage10,243 acre-ft
Normal Storage5,378 acre-ft
Surface Area1,020 acres
Drainage Area16 sq mi

Ownership & Safety

PurposeOther
OwnerIFW/State of Maine
Owner TypeState
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDME00399
Federal IDME00399
More InfoState Dam Safety Program

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