Pownal Tannery
Pownal Tannery is a gravity dam located in Bennington County, Vermont, built in 1984. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Pownal Tannery
The primary purpose of Pownal Tannery 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 Town Of Pownal, Vt (local government). It impounds the Hoosic River.
The dam stands 18 feet tall and stretches 153 feet across, creates a reservoir covering 77 acres, has a maximum storage capacity of 490 acre-feet, and collects water from a drainage area of 224 square miles. Completed in 1984, the structure is 42 years 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 07/09/2019.
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Location
| State | Vermont |
| County | Bennington |
| River/Stream | Hoosic River |
| Coordinates | 42.79550, -73.26360 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 153 ft |
| Year Completed | 1984 (42 years old) |
Storage & Hydraulics
| NID Storage | 490 acre-ft |
| Max Storage | 490 acre-ft |
| Normal Storage | 490 acre-ft |
| Surface Area | 77 acres |
| Drainage Area | 224 sq mi |
| Max Discharge | 5,987 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Town of Pownal, VT |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/09/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | VT00220 |
| Federal ID | VT00220 |
| More Info | State Dam Safety Program |