Upper Chester Reservoir is an earth dam located in Windsor County, Vermont, built in 1915. It carries a Significant hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 20 ft20 ft tall and 220 ft long. 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 Upper Chester Reservoir
Upper Chester Reservoir is a dam in Windsor, Vermont. The dam is owned by Town of Chester (local government). It impounds the Williams River-tr near Chester.
The dam stands 20 feet tall and stretches 220 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 46 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1915, the structure is over a century old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in 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 08/06/2015. That was over 11 years ago.
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Location
| State | Vermont |
| County | Windsor |
| Nearest City | Chester |
| River/Stream | Williams River-tr |
| Coordinates | 43.28088, -72.63738 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 220 ft |
| Year Completed | 1915 (111 years old) |
Storage & Hydraulics
| NID Storage | 46 acre-ft |
| Max Storage | 46 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Town of Chester |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 08/06/2015 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | VT00300 |
| Federal ID | VT00300 |
| More Info | State Dam Safety Program |