Lower West Bay Pond

Lower West Bay Pond is a concrete dam located in Hancock County, Maine, built in 1920. It carries a High hazard potential classification and has a poor condition assessment.

About Lower West Bay Pond

The primary purpose of Lower West Bay Pond is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Gouldsboro (local government). It impounds the Lower West Bay Stream near Gouldsboro.

The dam stands 12 feet tall and stretches 70 feet across, creates a reservoir covering 59 acres, has a maximum storage capacity of 537 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1920, the structure is over a century old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 11/11/2021.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Maine dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardPoor ConditionEmergency Action Plan: Yes

Location

StateMaine
CountyHancock
Nearest CityGouldsboro
River/StreamLower West Bay Stream
Coordinates44.48835, -68.04621

Physical Characteristics

Dam TypeConcrete
NID Height12 ft
Dam Height12 ft
Dam Length70 ft
Year Completed1920 (106 years old)

Storage & Hydraulics

NID Storage537 acre-ft
Max Storage537 acre-ft
Normal Storage448 acre-ft
Surface Area59 acres
Drainage Area8 sq mi

Ownership & Safety

PurposeRecreation
OwnerGouldsboro
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentPoor
Last Inspection11/11/2021
Emergency Action PlanYes

Identifiers

NID IDME00703
Federal IDME00703
More InfoState Dam Safety Program

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