Herkimer is a gravity dam located in Herkimer County, New York, built in 1922. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 12 ft12 ft tall and 351 ft long. 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 Herkimer
The primary purpose of Herkimer 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 Ecosponsible, LLC (private). It impounds the West Canada Creek near Herkimer.
The dam stands 12 feet tall and stretches 351 feet across, creates a reservoir covering 19 acres, has a maximum storage capacity of 163 acre-feet, and collects water from a drainage area of 558 square miles. Completed in 1922, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 08/26/2021.
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Location
| State | New York |
| County | Herkimer |
| Nearest City | Herkimer |
| River/Stream | West Canada Creek |
| Coordinates | 43.05290, -74.98610 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 351 ft |
| Year Completed | 1922 (104 years old) |
Storage & Hydraulics
| NID Storage | 163 acre-ft |
| Max Storage | 163 acre-ft |
| Normal Storage | 163 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 558 sq mi |
| Max Discharge | 20,000 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Ecosponsible, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/26/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY01579 |
| Federal ID | NY01579 |
| More Info | State Dam Safety Program |