Marble Pond Dam
Marble Pond Dam is an earth dam located in Worcester County, Massachusetts, built in 1985. It carries a Low hazard potential classification and has a fair condition assessment.
About Marble Pond Dam
The primary purpose of Marble Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Marble Realty Trust (private). It impounds the South Branch Of Souhegan River near Ashburnham.
The dam stands 10 feet tall and stretches 150 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 70 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1985, the structure is 41 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected 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. The most recent inspection on record was 08/11/2021.
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Location
| State | Massachusetts |
| County | Worcester |
| Nearest City | Ashburnham |
| River/Stream | South Branch Of Souhegan River |
| Coordinates | 42.67414, -71.87854 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Length | 150 ft |
| Year Completed | 1985 (41 years old) |
Storage & Hydraulics
| NID Storage | 70 acre-ft |
| Max Storage | 70 acre-ft |
| Normal Storage | 52 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Marble Realty Trust |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 08/11/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MA00008 |
| Federal ID | MA00008 |
| More Info | State Dam Safety Program |