Winooski No. 8
Winooski No. 8 is a concrete dam located in Washington County, Vermont, built in 1985. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Winooski No. 8
The primary purpose of Winooski No. 8 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 Winooski Hydroelectric Company (private). It impounds the Winooski River near Montpelier.
The dam stands 31 feet tall and stretches 227 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 46 acre-feet, and collects water from a drainage area of 199 square miles. Completed in 1985, the structure is 41 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 05/28/2019.
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Location
| State | Vermont |
| County | Washington |
| Nearest City | Montpelier |
| River/Stream | Winooski River |
| Coordinates | 44.23830, -72.52520 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 227 ft |
| Year Completed | 1985 (41 years old) |
Storage & Hydraulics
| NID Storage | 46 acre-ft |
| Max Storage | 46 acre-ft |
| Normal Storage | 46 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 199 sq mi |
| Max Discharge | 14,500 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Winooski Hydroelectric Company |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/28/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | VT00048 |
| Federal ID | VT00048 |
| More Info | State Dam Safety Program |