Williams is an earth dam located in Somerset County, Maine, built in 1939. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 45 ft45 ft tall and 680 ft long, taller than 90% 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 embankment section and the water level is illustrative.
About Williams
The primary purpose of Williams 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 Brookfield Renewable Power LLC Nyro (private). It impounds the Kennebec River near Solon.
The dam stands 45 feet tall and stretches 680 feet across, creates a reservoir covering 446 acres, has a maximum storage capacity of 4,575 acre-feet, and collects water from a drainage area of 2,720 square miles. Completed in 1939, 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 06/22/2022.
At 45 feet, this dam is taller than 90% of dams nationwide.
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Location
| State | Maine |
| County | Somerset |
| Nearest City | Solon |
| River/Stream | Kennebec River |
| Coordinates | 44.95975, -69.86972 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 45 ft |
| Dam Height | 45 ft |
| Dam Length | 680 ft |
| Year Completed | 1939 (87 years old) |
Storage & Hydraulics
| NID Storage | 4,575 acre-ft |
| Max Storage | 4,575 acre-ft |
| Normal Storage | 4,575 acre-ft |
| Surface Area | 446 acres |
| Drainage Area | 2,720 sq mi |
| Max Discharge | 48,790 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Brookfield Renewable Power LLC Nyro |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/22/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ME00088 |
| Federal ID | ME00088 |
| More Info | State Dam Safety Program |