Soft Maple Spillway
Soft Maple Spillway is a concrete dam located in Lewis County, New York, built in 1926. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Soft Maple Spillway
The primary purpose of Soft Maple Spillway 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 Erie Boulevard Hydropower, L.p. (private). It impounds the Beaver River near Belfort.
The dam stands 15 feet tall and stretches 173 feet across, creates a reservoir covering 400 acres, has a maximum storage capacity of 2,678 acre-feet, and collects water from a drainage area of 240 square miles. Completed in 1926, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 08/10/2022.
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Location
| State | New York |
| County | Lewis |
| Nearest City | Belfort |
| River/Stream | Beaver River |
| Coordinates | 43.91670, -75.22480 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 173 ft |
| Year Completed | 1926 (100 years old) |
Storage & Hydraulics
| NID Storage | 2,678 acre-ft |
| Max Storage | 2,678 acre-ft |
| Normal Storage | 2,678 acre-ft |
| Surface Area | 400 acres |
| Drainage Area | 240 sq mi |
| Max Discharge | 31,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Erie Boulevard Hydropower, L.P. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/10/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY00304 |
| Federal ID | NY00304S002 |
| More Info | State Dam Safety Program |