South Berwick is a concrete dam located in York County, Maine, built in 1923. It carries a Low hazard potential classification.
Dam profile
NID height · 38 ft38 ft tall and 500 ft long, taller than 84% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About South Berwick
The primary purpose of South Berwick 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 Kei (USA) Power Management Inc. (private). It impounds the Great Works.
The dam stands 38 feet tall and stretches 500 feet across, creates a reservoir covering 37 acres, has a maximum storage capacity of 960 acre-feet, and collects water from a drainage area of 86 square miles. Completed in 1923, 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 12/16/2005. That was over 20 years ago.
At 38 feet, this dam is taller than 84% of dams nationwide.
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Location
| State | Maine |
| County | York |
| River/Stream | Great Works |
| Coordinates | 43.21846, -70.81077 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 500 ft |
| Year Completed | 1923 (103 years old) |
Storage & Hydraulics
| NID Storage | 960 acre-ft |
| Max Storage | 960 acre-ft |
| Normal Storage | 900 acre-ft |
| Surface Area | 37 acres |
| Drainage Area | 86 sq mi |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Kei (USA) Power Management Inc. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/16/2005 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ME00062 |
| Federal ID | ME00062 |
| More Info | State Dam Safety Program |