Upper Sackett Reservoir Dam
Upper Sackett Reservoir Dam is an earth dam located in Berkshire County, Massachusetts, built in 1947. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Upper Sackett Reservoir Dam
The primary purpose of Upper Sackett 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 City Of Pittsfield (local government). It impounds the Sackett Brook near Hinsdale.
The dam stands 76 feet tall and stretches 660 feet across, creates a reservoir covering 20 acres, has a maximum storage capacity of 605 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1947, the structure is well-established, with more than 75 years of service.
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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 10/18/2022.
At 76 feet, this dam is taller than 97% of all dams in the United States.
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 | Sackett Brook |
| Coordinates | 42.41923, -73.16486 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 76 ft |
| Dam Length | 660 ft |
| Year Completed | 1947 (79 years old) |
Storage & Hydraulics
| NID Storage | 605 acre-ft |
| Max Storage | 605 acre-ft |
| Normal Storage | 504 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 3,350 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Pittsfield |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/18/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA00227 |
| Federal ID | MA00227 |
| More Info | State Dam Safety Program |