Long Pond Dam
Long Pond Dam is an earth dam located in Hampden County, Massachusetts, built in 1893. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Long Pond Dam
The primary purpose of Long Pond 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 Blandford (local government). It impounds the Wheeler Brook near Blandford.
The dam stands 8 feet tall and stretches 190 feet across, creates a reservoir covering 87 acres, has a maximum storage capacity of 697 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1893, the structure is over a century old.
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 07/05/2022.
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Location
| State | Massachusetts |
| County | Hampden |
| Nearest City | Blandford |
| River/Stream | Wheeler Brook |
| Coordinates | 42.20587, -73.00649 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Length | 190 ft |
| Year Completed | 1893 (133 years old) |
Storage & Hydraulics
| NID Storage | 697 acre-ft |
| Max Storage | 697 acre-ft |
| Normal Storage | 480 acre-ft |
| Surface Area | 87 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 194 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Town of Blandford |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/05/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA00718 |
| Federal ID | MA00718 |
| More Info | State Dam Safety Program |