Mossy Pond Dam
Mossy Pond Dam is an earth dam located in Worcester County, Massachusetts, built in 1876. It carries a Significant hazard potential classification and has a poor condition assessment.
About Mossy Pond Dam
The primary purpose of Mossy Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Tyca Real Estate Llc (private). It impounds the N/a near Clinton.
The dam stands 18 feet tall and stretches 200 feet across, creates a reservoir covering 134 acres, has a maximum storage capacity of 670 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1876, the structure is over a century old.
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 04/18/2017.
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Location
| State | Massachusetts |
| County | Worcester |
| Nearest City | Clinton |
| River/Stream | N/a |
| Coordinates | 42.41323, -71.70171 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Length | 200 ft |
| Year Completed | 1876 (150 years old) |
Storage & Hydraulics
| NID Storage | 670 acre-ft |
| Max Storage | 670 acre-ft |
| Normal Storage | 201 acre-ft |
| Surface Area | 134 acres |
| Drainage Area | 4 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Recreation |
| Owner | Tyca Real Estate LLC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 04/18/2017 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MA02759 |
| Federal ID | MA00106S001 |
| More Info | State Dam Safety Program |