Deweys Mills is a concrete dam located in Windsor County, Vermont, built in 1900. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 395 ft long, taller than 50% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Deweys Mills
The primary purpose of Deweys Mills 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 US Army Corps of Engineers - Nae (federal). It impounds the Ottauquechee River near Hartford.
The dam stands 25 feet tall and stretches 395 feet across, creates a reservoir covering 56 acres, has a maximum storage capacity of 1,000 acre-feet, and collects water from a drainage area of 207 square miles. Completed in 1900, 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. The most recent inspection on record was 05/09/2000. That was over 26 years ago.
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Location
| State | Vermont |
| County | Windsor |
| Nearest City | Hartford |
| River/Stream | Ottauquechee River |
| Coordinates | 43.64170, -72.40680 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 395 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 1,000 acre-ft |
| Max Storage | 1,000 acre-ft |
| Surface Area | 56 acres |
| Drainage Area | 207 sq mi |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | US Army Corps of Engineers - Nae |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/09/2000 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | VT00155 |
| Federal ID | VT00155 |
| More Info | State Dam Safety Program |