Old Mill Pond Dam
Old Mill Pond Dam is a masonry dam located in Worcester County, Massachusetts. It carries a Significant hazard potential classification and has a poor condition assessment.
About Old Mill Pond Dam
The primary purpose of Old Mill Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Hayward Landing Associates Limited Partnership (private). It impounds the Mumford River near Douglas.
The dam stands 18 feet tall and stretches 65 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 25 acre-feet, and collects water from a drainage area of 29 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. An emergency action plan is in place for this dam. The most recent inspection on record was 06/02/2021.
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Location
| State | Massachusetts |
| County | Worcester |
| Nearest City | Douglas |
| River/Stream | Mumford River |
| Coordinates | 42.07436, -71.71246 |
Physical Characteristics
| Dam Type | Masonry |
| NID Height | 18 ft |
| Dam Length | 65 ft |
Storage & Hydraulics
| NID Storage | 25 acre-ft |
| Max Storage | 25 acre-ft |
| Normal Storage | 7 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 29 sq mi |
| Max Discharge | 3,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Hayward Landing Associates Limited Partnership |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 06/02/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA01173 |
| Federal ID | MA01173 |
| More Info | State Dam Safety Program |