Mahaney
Mahaney is a concrete dam located in Franklin County, Maine, built in 1932. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Mahaney
The primary purpose of Mahaney is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Kennebago Hydro Corporation, Inc. (private). It impounds the Kennebago River near Rangeley.
The dam stands 15 feet tall and stretches 232 feet across, creates a reservoir covering 1,700 acres, has a maximum storage capacity of 8,500 acre-feet, and collects water from a drainage area of 112 square miles. Completed in 1932, the structure is well-established, with more than 75 years 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 08/13/2019.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Maine |
| County | Franklin |
| Nearest City | Rangeley |
| River/Stream | Kennebago River |
| Coordinates | 45.10270, -70.77790 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 232 ft |
| Year Completed | 1932 (94 years old) |
Storage & Hydraulics
| NID Storage | 8,500 acre-ft |
| Max Storage | 8,500 acre-ft |
| Normal Storage | 8,500 acre-ft |
| Surface Area | 1,700 acres |
| Drainage Area | 112 sq mi |
| Max Discharge | 6,687 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Kennebago Hydro Corporation, Inc. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/13/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ME00028 |
| Federal ID | ME00028 |
| More Info | State Dam Safety Program |