Sunset Lake is an earth dam located in Windham County, Vermont, built in 1910. It carries a Significant hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 14 ft14 ft tall and 323 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 Sunset Lake
The primary purpose of Sunset Lake is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Town of Brattleboro (local government). It impounds the Stickney Brook near Marlboro.
The dam stands 14 feet tall and stretches 323 feet across, creates a reservoir covering 95 acres, has a maximum storage capacity of 680 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1910, 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 08/01/2017.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Vermont |
| County | Windham |
| Nearest City | Marlboro |
| River/Stream | Stickney Brook |
| Coordinates | 42.91829, -72.67612 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 10 ft |
| Dam Length | 323 ft |
| Year Completed | 1910 (116 years old) |
Storage & Hydraulics
| NID Storage | 680 acre-ft |
| Max Storage | 680 acre-ft |
| Surface Area | 95 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Town of Brattleboro |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 08/01/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | VT00078 |
| Federal ID | VT00078 |
| More Info | State Dam Safety Program |