The Tarn
The Tarn is an other dam located in Hancock County, Maine, built in 1900. It carries a Low hazard potential classification.
About The Tarn
The primary purpose of The Tarn is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Acadia National Park (federal). It impounds the Cromwell Brook.
The dam stands 7 feet tall and stretches 19 feet across, creates a reservoir covering 20 acres, and has a maximum storage capacity of 184 acre-feet. Completed in 1900, the structure is over a century 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. The most recent inspection on record was 10/06/2010. That was over 15 years ago.
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Location
| State | Maine |
| County | Hancock |
| River/Stream | Cromwell Brook |
| Coordinates | 44.35853, -68.20709 |
Physical Characteristics
| Dam Type | Other |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 19 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 184 acre-ft |
| Max Storage | 184 acre-ft |
| Normal Storage | 165 acre-ft |
| Surface Area | 20 acres |
Ownership & Safety
| Purpose | Recreation |
| Owner | Acadia National Park |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 10/06/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ME00705 |
| Federal ID | ME00705 |
| More Info | State Dam Safety Program |