Hopedale Pond Dam is an earth dam located in Worcester County, Massachusetts. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 19 ft19 ft tall and 300 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 Hopedale Pond Dam
The primary purpose of Hopedale Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Hopedale Properties, LLC, Series F and K;town of Hopedale (local government). It impounds the Mill River near Hopedale.
The dam stands 19 feet tall and stretches 300 feet across, creates a reservoir covering 83 acres, has a maximum storage capacity of 450 acre-feet, and collects water from a drainage area of 10 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 07/14/2022.
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Location
| State | Massachusetts |
| County | Worcester |
| Nearest City | Hopedale |
| River/Stream | Mill River |
| Coordinates | 42.13296, -71.54467 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Length | 300 ft |
Storage & Hydraulics
| NID Storage | 450 acre-ft |
| Max Storage | 450 acre-ft |
| Normal Storage | 250 acre-ft |
| Surface Area | 83 acres |
| Drainage Area | 10 sq mi |
| Max Discharge | 1,286 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Hopedale Properties, LLC, Series F and K;town of Hopedale |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 07/14/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA00624 |
| Federal ID | MA00624 |
| More Info | State Dam Safety Program |