Lock C-12
Lock C-12 is an other dam located in Washington County, New York, built in 1911. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Lock C-12
The primary purpose of Lock C-12 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 New York State Canal Corporation (state). It impounds the Champlain Canal near Whitehall.
The dam stands 21 feet tall and stretches 170 feet across, creates a reservoir covering 240 acres, has a maximum storage capacity of 2,880 acre-feet, and collects water from a drainage area of 429 square miles. Completed in 1911, the structure is over a century old.
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. 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 05/17/2022.
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Location
| State | New York |
| County | Washington |
| Nearest City | Whitehall |
| River/Stream | Champlain Canal |
| Coordinates | 43.55740, -73.40050 |
Physical Characteristics
| Dam Type | Other |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 170 ft |
| Year Completed | 1911 (115 years old) |
Storage & Hydraulics
| NID Storage | 2,880 acre-ft |
| Max Storage | 2,880 acre-ft |
| Normal Storage | 2,880 acre-ft |
| Surface Area | 240 acres |
| Drainage Area | 429 sq mi |
| Max Discharge | 17,800 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | New York State Canal Corporation |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/17/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY00796 |
| Federal ID | NY00796 |
| More Info | State Dam Safety Program |