Twin Lakes Dam is a timber crib dam located in St. Lawrence County, New York. It carries a Low hazard potential classification.
Dam profile
NID height · 7 ft7 ft tall and 67 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Twin Lakes Dam
Twin Lakes Dam is a dam in St. Lawrence, New York. The dam is owned by Harold Scott (private). It impounds the Twin Lake Stream near Lower Oswegatchie.
The dam stands 7 feet tall and stretches 67 feet across, creates a reservoir covering 26 acres, and has a maximum storage capacity of 73 acre-feet.
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. The most recent inspection on record was 06/14/1994. That was over 32 years ago.
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Location
| State | New York |
| County | St. Lawrence |
| Nearest City | Lower Oswegatchie |
| River/Stream | Twin Lake Stream |
| Coordinates | 44.17500, -75.04333 |
Physical Characteristics
| Dam Type | Timber Crib |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 67 ft |
Storage & Hydraulics
| NID Storage | 73 acre-ft |
| Max Storage | 73 acre-ft |
| Normal Storage | 52 acre-ft |
| Surface Area | 26 acres |
| Max Discharge | 240 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Harold Scott |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/14/1994 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY01381 |
| Federal ID | NY01381 |
| More Info | State Dam Safety Program |