Dean Pond Dam
Dean Pond Dam is an earth dam located in Hampden County, Massachusetts, built in 1933. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Dean Pond Dam
The primary purpose of Dean Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Ma Department Of Conservation & Recreation (state). It impounds the Foskett Mill Stream near Brimfield.
The dam stands 21 feet tall and stretches 155 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 115 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1933, the structure is well-established, with more than 75 years of service.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. 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 02/24/2020.
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Location
| State | Massachusetts |
| County | Hampden |
| Nearest City | Brimfield |
| River/Stream | Foskett Mill Stream |
| Coordinates | 42.10108, -72.26864 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Length | 155 ft |
| Year Completed | 1933 (93 years old) |
Storage & Hydraulics
| NID Storage | 115 acre-ft |
| Max Storage | 115 acre-ft |
| Normal Storage | 51 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 700 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | MA Department of Conservation & Recreation |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 02/24/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA00078 |
| Federal ID | MA00078 |
| More Info | State Dam Safety Program |