Washington Street Dam
Washington Street Dam is a stone dam located in Middlesex County, Massachusetts. It carries a Significant hazard potential classification and has a fair condition assessment.
About Washington Street Dam
Washington Street Dam is a dam in Middlesex, Massachusetts. The dam is owned by Town Of Hudson (local government). It impounds the Assabet River near Hudson.
The dam stands 16 feet tall and stretches 68 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 400 acre-feet, and collects water from a drainage area of 64 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 04/18/2023.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Massachusetts |
| County | Middlesex |
| Nearest City | Hudson |
| River/Stream | Assabet River |
| Coordinates | 42.39048, -71.57034 |
Physical Characteristics
| Dam Type | Stone |
| NID Height | 16 ft |
| Dam Length | 68 ft |
Storage & Hydraulics
| NID Storage | 400 acre-ft |
| Max Storage | 400 acre-ft |
| Normal Storage | 70 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 64 sq mi |
| Max Discharge | 3,800 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Town of Hudson |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 04/18/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA00447 |
| Federal ID | MA00447 |
| More Info | State Dam Safety Program |