Twelve Mile Brook
Twelve Mile Brook is a concrete dam located in Kennebec County, Maine, built in 1850. It carries a Low hazard potential classification.
About Twelve Mile Brook
The primary purpose of Twelve Mile Brook is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Heifer Haven Llc (private). It impounds the Twelve Mile Brook.
The dam stands 12 feet tall and stretches 10 feet across, creates a reservoir covering 7 acres, and has a maximum storage capacity of 54 acre-feet. Completed in 1850, the structure is one of the older dams in the region, with over a century and a half of service.
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.
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Location
| State | Maine |
| County | Kennebec |
| River/Stream | Twelve Mile Brook |
| Coordinates | 44.69530, -69.52730 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 10 ft |
| Year Completed | 1850 (176 years old) |
Storage & Hydraulics
| NID Storage | 54 acre-ft |
| Max Storage | 54 acre-ft |
| Normal Storage | 42 acre-ft |
| Surface Area | 7 acres |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Heifer Haven LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ME00471 |
| Federal ID | ME00471 |
| More Info | State Dam Safety Program |