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.
Location
| State | Massachusetts |
| County | Worcester |
| Nearest City | Westminster |
| River/Stream | Smith Brook |
| Coordinates | 42.53700, -71.87905 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Length | 320 ft |
| Year Completed | 1892 (134 years old) |
Storage & Hydraulics
| NID Storage | 2,389 acre-ft |
| Max Storage | 2,389 acre-ft |
| Normal Storage | 1,186 acre-ft |
| Surface Area | 200 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 1,965 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of Fitchburg |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 07/19/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA00641 |
| Federal ID | MA00641 |
| More Info | State Dam Safety Program |