Mill Pond Dam
Mill Pond Dam is an earth dam located in Worcester County, Massachusetts. It carries a Significant hazard potential classification and has a poor condition assessment.
About Mill Pond Dam
Mill Pond Dam is a dam in Worcester, Massachusetts. The dam is owned by One Hundred Forty Realty Trust (private). It impounds the Mill River near Hopedale.
The dam stands 13 feet tall and stretches 145 feet across, creates a reservoir covering 21 acres, has a maximum storage capacity of 210 acre-feet, and collects water from a drainage area of 6 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. The most recent inspection on record was 06/26/2019.
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Location
| State | Massachusetts |
| County | Worcester |
| Nearest City | Hopedale |
| River/Stream | Mill River |
| Coordinates | 42.15365, -71.56319 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Length | 145 ft |
Storage & Hydraulics
| NID Storage | 210 acre-ft |
| Max Storage | 210 acre-ft |
| Normal Storage | 120 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 6 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | One Hundred Forty Realty Trust |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 06/26/2019 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MA00625 |
| Federal ID | MA00625 |
| More Info | State Dam Safety Program |