Eel Weir
Eel Weir is a buttress dam located in St. Lawrence County, New York, built in 1928. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Eel Weir
The primary purpose of Eel Weir 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 Oswegatchie River near Ogdensburg.
The dam stands 23 feet tall and stretches 965 feet across, creates a reservoir covering 96 acres, has a maximum storage capacity of 136 acre-feet, and collects water from a drainage area of 1,580 square miles. Completed in 1928, 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 06/05/2019.
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Location
| State | New York |
| County | St. Lawrence |
| Nearest City | Ogdensburg |
| River/Stream | Oswegatchie River |
| Coordinates | 44.63830, -75.49110 |
Physical Characteristics
| Dam Type | Buttress |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 965 ft |
| Year Completed | 1928 (98 years old) |
Storage & Hydraulics
| NID Storage | 136 acre-ft |
| Max Storage | 136 acre-ft |
| Normal Storage | 136 acre-ft |
| Surface Area | 96 acres |
| Drainage Area | 1,580 sq mi |
| Max Discharge | 62,000 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 | 06/05/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY00404 |
| Federal ID | NY00404 |
| More Info | State Dam Safety Program |