Hunnewell Lake
Hunnewell Lake is a rockfill dam located in Aroostook County, Maine, built in 1968. It carries a Significant hazard potential classification and has a poor condition assessment.
About Hunnewell Lake
Hunnewell Lake is a dam in Aroostook, Maine. The dam is owned by Ifw/state Of Maine (state). It impounds the Thibeault Stream.
The dam stands 12 feet tall and stretches 280 feet across, creates a reservoir covering 65 acres, has a maximum storage capacity of 575 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1968, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 10/28/2020.
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Location
| State | Maine |
| County | Aroostook |
| River/Stream | Thibeault Stream |
| Coordinates | 47.16148, -68.81886 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 280 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 575 acre-ft |
| Max Storage | 575 acre-ft |
| Normal Storage | 380 acre-ft |
| Surface Area | 65 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | IFW/State of Maine |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 10/28/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | ME00497 |
| Federal ID | ME00497 |
| More Info | State Dam Safety Program |