Whitney Pond Dam is an earth dam located in Worcester County, Massachusetts. It carries a Significant hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 18 ft18 ft tall and 350 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 Whitney Pond Dam
Whitney Pond Dam is a dam in Worcester, Massachusetts. The dam is owned by Town of Ashburnham (local government). It impounds the Whitman River near Ashburnham.
The dam stands 18 feet tall and stretches 350 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 51 acre-feet, and collects water from a drainage area of 4 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 01/29/2018.
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Location
| State | Massachusetts |
| County | Worcester |
| Nearest City | Ashburnham |
| River/Stream | Whitman River |
| Coordinates | 42.61035, -71.94114 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Length | 350 ft |
Storage & Hydraulics
| NID Storage | 51 acre-ft |
| Max Storage | 51 acre-ft |
| Normal Storage | 8 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 4 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Town of Ashburnham |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 01/29/2018 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MA01671 |
| Federal ID | MA01671 |
| More Info | State Dam Safety Program |