Strangman Pond Dam

Strangman Pond Dam is an earth dam located in Essex County, Massachusetts, built in 1884. It carries a High hazard potential classification and has a fair condition assessment.

About Strangman Pond Dam

The primary purpose of Strangman Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Cape Ann Sportsman's Club;twenty Mile Realty Trust 2021 (private). It impounds the Tributary Of Annisquam River near Gloucester.

The dam stands 16 feet tall and stretches 100 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 32 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1884, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 04/19/2023.

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 Massachusetts 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 HazardFair ConditionEmergency Action Plan: Yes

Location

StateMassachusetts
CountyEssex
Nearest CityGloucester
River/StreamTributary Of Annisquam River
Coordinates42.63010, -70.66833

Physical Characteristics

Dam TypeEarth
NID Height16 ft
Dam Length100 ft
Year Completed1884 (142 years old)

Storage & Hydraulics

NID Storage32 acre-ft
Max Storage32 acre-ft
Normal Storage30 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Max Discharge2 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerCape Ann Sportsman's Club;Twenty Mile Realty Trust 2021
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection04/19/2023
Emergency Action PlanYes

Identifiers

NID IDMA03169
Federal IDMA03169
More InfoState Dam Safety Program

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