Lamberton Brook Dam
Lamberton Brook Dam is an earth dam located in Worcester County, Massachusetts, built in 1965. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Lamberton Brook Dam
The primary purpose of Lamberton Brook Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Ma Department Of Conservation & Recreation (state). It impounds the Lamberton Brook near Warren.
The dam stands 26 feet tall and stretches 650 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 800 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1965, the structure is well into its service life at over 50 years 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 02/23/2022.
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Location
| State | Massachusetts |
| County | Worcester |
| Nearest City | Warren |
| River/Stream | Lamberton Brook |
| Coordinates | 42.23651, -72.17479 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Length | 650 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 800 acre-ft |
| Max Storage | 800 acre-ft |
| Normal Storage | 15 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 455 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | MA Department of Conservation & Recreation |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 02/23/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA00905 |
| Federal ID | MA00905 |
| More Info | State Dam Safety Program |