Wyman Pond Compensating Reservoir Dam

Wyman Pond Compensating Reservoir Dam is an earth dam located in Worcester County, Massachusetts, built in 1892. It carries a High hazard potential classification and has a fair condition assessment.

About Wyman Pond Compensating Reservoir Dam

The primary purpose of Wyman Pond Compensating Reservoir Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City Of Fitchburg (local government). It impounds the Smith Brook near Westminster.

The dam stands 25 feet tall and stretches 320 feet across, creates a reservoir covering 200 acres, has a maximum storage capacity of 2,389 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1892, 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 07/19/2023.

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
CountyWorcester
Nearest CityWestminster
River/StreamSmith Brook
Coordinates42.53700, -71.87905

Physical Characteristics

Dam TypeEarth
NID Height25 ft
Dam Length320 ft
Year Completed1892 (134 years old)

Storage & Hydraulics

NID Storage2,389 acre-ft
Max Storage2,389 acre-ft
Normal Storage1,186 acre-ft
Surface Area200 acres
Drainage Area7 sq mi
Max Discharge1,965 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerCity of Fitchburg
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection07/19/2023
Emergency Action PlanYes

Identifiers

NID IDMA00641
Federal IDMA00641
More InfoState Dam Safety Program

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