Sudbury River Dam
Sudbury River Dam is an earth dam located in Middlesex County, Massachusetts. It carries a Low hazard potential classification and has a poor condition assessment.
About Sudbury River Dam
Sudbury River Dam is a dam in Middlesex, Massachusetts. The dam is owned by Town Of Ashland (local government). It impounds the Sudbury River near Ashland.
The dam stands 7 feet tall and stretches 150 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 113 acre-feet, and collects water from a drainage area of 33 square miles.
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 09/30/2020.
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Location
| State | Massachusetts |
| County | Middlesex |
| Nearest City | Ashland |
| River/Stream | Sudbury River |
| Coordinates | 42.26231, -71.47883 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Length | 150 ft |
Storage & Hydraulics
| NID Storage | 113 acre-ft |
| Max Storage | 113 acre-ft |
| Normal Storage | 21 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 33 sq mi |
| Max Discharge | 2,500 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Town of Ashland |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 09/30/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MA01106 |
| Federal ID | MA01106 |
| More Info | State Dam Safety Program |