Twine Mill
Twine Mill is a concrete dam located in York County, Maine, built in 1980. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Twine Mill
The primary purpose of Twine Mill 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 Kennebunk Light & Power District (local government). It impounds the Mousam River near Kennebunk.
The dam stands 18 feet tall and stretches 223 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 104 acre-feet, and collects water from a drainage area of 125 square miles. Completed in 1980, the structure is 46 years 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 05/17/2018.
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Location
| State | Maine |
| County | York |
| Nearest City | Kennebunk |
| River/Stream | Mousam River |
| Coordinates | 43.40229, -70.57550 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 223 ft |
| Year Completed | 1980 (46 years old) |
Storage & Hydraulics
| NID Storage | 104 acre-ft |
| Max Storage | 104 acre-ft |
| Normal Storage | 104 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 125 sq mi |
| Max Discharge | 2,400 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Kennebunk Light & Power District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/17/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ME83018 |
| Federal ID | ME83018 |
| More Info | State Dam Safety Program |