Belmont Reservoir Dam
Belmont Reservoir Dam is an earth dam located in Berkshire County, Massachusetts, built in 1889. It carries a High hazard potential classification and has a fair condition assessment.
About Belmont Reservoir Dam
The primary purpose of Belmont Reservoir Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Town Of Hinsdale (local government). It impounds the Welch Brook near Hinsdale.
The dam stands 29 feet tall and stretches 440 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 136 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1889, 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 11/15/2022.
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 | Berkshire |
| Nearest City | Hinsdale |
| River/Stream | Welch Brook |
| Coordinates | 42.43161, -73.14763 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Length | 440 ft |
| Year Completed | 1889 (137 years old) |
Storage & Hydraulics
| NID Storage | 136 acre-ft |
| Max Storage | 136 acre-ft |
| Normal Storage | 90 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 16 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Town of Hinsdale |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 11/15/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA00224 |
| Federal ID | MA00224 |
| More Info | State Dam Safety Program |