Emeryville
Emeryville is a gravity dam located in St. Lawrence County, New York, built in 1959. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Emeryville
The primary purpose of Emeryville is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. It impounds the Oswegatchie River near Gouverneur.
The dam stands 25 feet tall and stretches 205 feet across, creates a reservoir covering 35 acres, has a maximum storage capacity of 307 acre-feet, and collects water from a drainage area of 626 square miles. Completed in 1959, the structure is well into its service life at over 50 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 07/26/2018.
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Location
| State | New York |
| County | St. Lawrence |
| Nearest City | Gouverneur |
| River/Stream | Oswegatchie River |
| Coordinates | 44.29720, -75.36630 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 205 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 307 acre-ft |
| Max Storage | 307 acre-ft |
| Normal Storage | 307 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 626 sq mi |
| Max Discharge | 1,731 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner Type | Not Listed |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/26/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY00662 |
| Federal ID | NY00662 |
| More Info | State Dam Safety Program |