Hollingsworth & Vose Dam
Hollingsworth & Vose Dam is an earth dam located in Norfolk County, Massachusetts. It carries a Significant hazard potential classification and has a fair condition assessment.
About Hollingsworth & Vose Dam
Hollingsworth & Vose Dam is a dam in Norfolk, Massachusetts. The dam is owned by Hollingsworth & Vose Company (private). It impounds the Neponset River near Walpole.
The dam stands 12 feet tall and stretches 400 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 45 acre-feet, and collects water from a drainage area of 25 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 05/17/2021.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Massachusetts |
| County | Norfolk |
| Nearest City | Walpole |
| River/Stream | Neponset River |
| Coordinates | 42.16402, -71.21276 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Length | 400 ft |
Storage & Hydraulics
| NID Storage | 45 acre-ft |
| Max Storage | 45 acre-ft |
| Normal Storage | 30 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 25 sq mi |
| Max Discharge | 1,120 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Hollingsworth & Vose Company |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 05/17/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA03136 |
| Federal ID | MA03136 |
| More Info | State Dam Safety Program |