Caughdenoy Dam (Oneida Lake)

Field Descriptions

Dam Name: Caughdenoy Dam
Other Name: ONEIDA LAKE
NID ID: NY00410
Longitude: -76.20556
Latitude: 43.27111
Map Section: Not Found
County: OSWEGO
River: ONEIDA RIVER
State: NY
Nearest City: CAUGHDENOY
Owner Name: NYS CANAL CORP - BUREAU OF ENVIRONMENTAL SERVICES, NYS CANAL CORP - OFFICE OF OPERATIONS & MAINTENANCE, NYS CANAL CORP - SYRACUSE DIVISION
Owner Type: State
Private Dam? No
Dam Type: Other
Purposes: Navigation
Year Completed: 1909
Dam Length: 550 feet
Dam Height: 15 feet
Maximum Storage: 255360 acre-feet
Normal Storage: 255360 acre-feet
Surface Area: 51072 acres
Drainage Area: 1382 square miles
Hazard Potential: Significant
Emergency Action Plan? No
Inspection Date: 2009-08-13
Inspection Frequency: 0
State Regulated Dam? Yes
State Regulating Agency: NYS DEC
Spillway Type: Controlled
Spillway Width: 0 feet
Federal Funding Agency: ONEIDA LAKE
Source Agency:

Dam Safety For Boats

A large amount of water can be released from a dam without any warning at any time and by any means. For example, when the demand for electricity is high, the turbines at a dam may be turned on automatically, resulting in a significant increase in the downstream flow of water in only a matter of seconds.

If there's a need to release water through the sluiceways (outlets at the base of the dam), this operation can also create a great swell of discharged water downstream.

During flood operations, any or all spillway gates across the width of a dam can be opened to release upstream flood water that needs to pass to the next downstream reservoir. Upstream or downstream, even the most experienced boater with the strongest motor is no match for this strong flow of water plunging over a spillway of a dam. Even if you're boating far downstream of a spilling dam, recirculating current can pull a powerful boat upstream toward plunging water that could shred any boat.

Some dams equipped with navigation locks create turbulent water as well. When vessels pass through, strong flow is released near the exhaust ports of the wing wall of the lock.

Warning Systems At Dams

To warn reservoir users of potential danger, warning devices are installed at many dams:






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