Hailesboro Mill #6 Dam is a concrete dam located in St. Lawrence County, New York. It carries a Significant hazard potential classification.
Dam profile
NID height · 14 ft14 ft tall and 250 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 Hailesboro Mill #6 Dam
The primary purpose of Hailesboro Mill #6 Dam 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 Central Rivers Power, LLC (private). It impounds the Oswegatchie River near Hailesboro.
The dam stands 14 feet tall and stretches 250 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 37 acre-feet, and collects water from a drainage area of 650 square miles.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 07/15/2008. That was over 18 years ago.
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Location
| State | New York |
| County | St. Lawrence |
| Nearest City | Hailesboro |
| River/Stream | Oswegatchie River |
| Coordinates | 44.30778, -75.43722 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 250 ft |
Storage & Hydraulics
| NID Storage | 37 acre-ft |
| Max Storage | 37 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 650 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Central Rivers Power, LLC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 07/15/2008 |
| Emergency Action Plan | No |
Identifiers
| NID ID | NY01241 |
| Federal ID | NY01241 |
| More Info | State Dam Safety Program |