Greenfield Electric Light & Power Dam
Greenfield Electric Light & Power Dam is a concrete dam located in Franklin County, Massachusetts. It carries a Significant hazard potential classification and has a fair condition assessment.
About Greenfield Electric Light & Power Dam
Greenfield Electric Light & Power Dam is a dam in Franklin, Massachusetts. The dam is owned by City Of Greenfield (local government). It impounds the Green River near Greenfield.
The dam stands 21 feet tall and stretches 204 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 371 acre-feet, and collects water from a drainage area of 88 square miles.
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 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 12/14/2022.
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Location
| State | Massachusetts |
| County | Franklin |
| Nearest City | Greenfield |
| River/Stream | Green River |
| Coordinates | 42.58347, -72.60492 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 21 ft |
| Dam Length | 204 ft |
Storage & Hydraulics
| NID Storage | 371 acre-ft |
| Max Storage | 371 acre-ft |
| Normal Storage | 13 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 88 sq mi |
| Max Discharge | 12,900 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | City of Greenfield |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 12/14/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA01326 |
| Federal ID | MA01326 |
| More Info | State Dam Safety Program |