Bolster Reservoir is an earth dam located in Washington County, Vermont, built in 1910. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 25 ft25 ft tall and 300 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 embankment section and the water level is illustrative.
About Bolster Reservoir
Bolster Reservoir is a dam in Washington, Vermont. The dam is owned by Adam Costantini (private). It impounds the Stevens Branch-tr near Barre Town.
The dam stands 25 feet tall and stretches 300 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 55 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1910, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 05/24/2005. That was over 21 years ago.
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Location
| State | Vermont |
| County | Washington |
| Nearest City | Barre Town |
| River/Stream | Stevens Branch-tr |
| Coordinates | 44.15797, -72.52682 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 300 ft |
| Year Completed | 1910 (116 years old) |
Storage & Hydraulics
| NID Storage | 55 acre-ft |
| Max Storage | 55 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Adam Costantini |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 05/24/2005 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | VT00326 |
| Federal ID | VT00326 |
| More Info | State Dam Safety Program |