Troy Lock And Dam 1
Troy Lock And Dam 1 is a concrete dam located in Albany County, New York, built in 1915. It carries a Significant hazard potential classification.
About Troy Lock And Dam 1
The primary purpose of Troy Lock And Dam 1 is navigation. The dam maintains water levels sufficient for boat and barge traffic, supporting commercial or recreational navigation on the waterway. The dam is owned by Usace - New York District (federal). It impounds the Hudson River near Troy.
The dam stands 20 feet tall and stretches 1,450 feet across, creates a reservoir covering 280 acres, has a maximum storage capacity of 4,200 acre-feet, and collects water from a drainage area of 8,090 square miles. Completed in 1915, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 08/30/2019.
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Location
| State | New York |
| County | Albany |
| Nearest City | Troy |
| River/Stream | Hudson River |
| Coordinates | 42.75113, -73.68826 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 1,450 ft |
| Year Completed | 1915 (111 years old) |
Storage & Hydraulics
| NID Storage | 4,200 acre-ft |
| Max Storage | 4,200 acre-ft |
| Surface Area | 280 acres |
| Drainage Area | 8,090 sq mi |
| Max Discharge | 215,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Navigation |
| Owner | USACE - New York District |
| Owner Type | Federal |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 08/30/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY00951 |
| Federal ID | NY00951 |
| More Info | State Dam Safety Program |