Sunset Lake Dam
Sunset Lake Dam is an earth dam located in Norfolk County, Massachusetts. It carries a Significant hazard potential classification and has a poor condition assessment.
About Sunset Lake Dam
The primary purpose of Sunset Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Ma Department Of Conservation & Recreation (state). It impounds the Cocasset River near Foxborough.
The dam stands 10 feet tall and stretches 250 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 92 acre-feet, and collects water from a drainage area of 0 square miles.
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. An emergency action plan is in place for this dam. The most recent inspection on record was 03/25/2024.
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Location
| State | Massachusetts |
| County | Norfolk |
| Nearest City | Foxborough |
| River/Stream | Cocasset River |
| Coordinates | 42.05945, -71.26288 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Length | 250 ft |
Storage & Hydraulics
| NID Storage | 92 acre-ft |
| Max Storage | 92 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 11 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | MA Department of Conservation & Recreation |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 03/25/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA03113 |
| Federal ID | MA03113 |
| More Info | State Dam Safety Program |