Larner Pond Dam
Larner Pond Dam is an earth dam located in Worcester County, Massachusetts, built in 1830. It carries a Significant hazard potential classification and has a fair condition assessment.
About Larner Pond Dam
The primary purpose of Larner Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Town Of Dudley (local government). It impounds the Unnamed - Merino Brook near Dudley.
The dam stands 20 feet tall and stretches 245 feet across, creates a reservoir covering 28 acres, has a maximum storage capacity of 240 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1830, the structure is one of the older dams in the region, with over a century and a half of service.
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 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 07/13/2018.
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Location
| State | Massachusetts |
| County | Worcester |
| Nearest City | Dudley |
| River/Stream | Unnamed - Merino Brook |
| Coordinates | 42.05556, -71.90395 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Length | 245 ft |
| Year Completed | 1830 (196 years old) |
Storage & Hydraulics
| NID Storage | 240 acre-ft |
| Max Storage | 240 acre-ft |
| Normal Storage | 195 acre-ft |
| Surface Area | 28 acres |
| Drainage Area | 4 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Town of Dudley |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 07/13/2018 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MA00111 |
| Federal ID | MA00111 |
| More Info | State Dam Safety Program |