Deerfield No. 3
Deerfield No. 3 is a concrete dam located in Franklin County, Massachusetts, built in 1912. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Deerfield No. 3
The primary purpose of Deerfield No. 3 is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Great River Hydro, Llc (private). It impounds the Deerfield River near Shelburne Falls.
The dam stands 12 feet tall and stretches 475 feet across, creates a reservoir covering 42 acres, has a maximum storage capacity of 551 acre-feet, and collects water from a drainage area of 500 square miles. Completed in 1912, the structure is over a century old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 09/14/2022.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Massachusetts |
| County | Franklin |
| Nearest City | Shelburne Falls |
| River/Stream | Deerfield River |
| Coordinates | 42.60167, -72.73885 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 475 ft |
| Year Completed | 1912 (114 years old) |
Storage & Hydraulics
| NID Storage | 551 acre-ft |
| Max Storage | 551 acre-ft |
| Normal Storage | 551 acre-ft |
| Surface Area | 42 acres |
| Drainage Area | 500 sq mi |
| Max Discharge | 23,300 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Great River Hydro, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/14/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MA00461 |
| Federal ID | MA00461 |
| More Info | State Dam Safety Program |