Downers Mill
Downers Mill is a gravity dam located in Windsor County, Vermont, built in 1983. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Downers Mill
The primary purpose of Downers Mill 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 Simon Pearce (u.s.), Inc. (private). It impounds the Ottauquechee River near Hartford.
The dam stands 14 feet tall and stretches 150 feet across, creates a reservoir covering 40 acres, has a maximum storage capacity of 80 acre-feet, and collects water from a drainage area of 205 square miles. Completed in 1983, the structure is 43 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 09/21/2018.
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Location
| State | Vermont |
| County | Windsor |
| Nearest City | Hartford |
| River/Stream | Ottauquechee River |
| Coordinates | 43.64550, -72.41940 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 150 ft |
| Year Completed | 1983 (43 years old) |
Storage & Hydraulics
| NID Storage | 80 acre-ft |
| Max Storage | 80 acre-ft |
| Normal Storage | 80 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 205 sq mi |
| Max Discharge | 374 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Simon Pearce (U.S.), Inc. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/21/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | VT00239 |
| Federal ID | VT00239 |
| More Info | State Dam Safety Program |