Lake Carlton Dam (Lake Carlton)

Field Descriptions

Dam Name: Lake Carlton Dam
Other Name: LAKE CARLTON
NID ID: IL00560
Longitude: -89.9617
Latitude: 41.8433
Map Section: 6;21N;5E;4
County: WHITESIDE
River: TRIB ROCK CREEK
State: IL
Nearest City: MORRISON
Distance: 2 miles
Owner Name: ILLINOIS DEPARTMENT OF NATURAL RESOURCES
Owner Type: State
Dam Designer: CASLER & ASSOCIATES
Private Dam? No
Dam Type: Earth
Purposes: Recreation
Dam Length: 1030 feet
Dam Height: 41 feet
Maximum Discharge: 6538 cu ft/sec
Maximum Storage: 1742 acre-feet
Normal Storage: 803 acre-feet
Surface Area: 77 acres
Drainage Area: 2.3 square miles
Hazard Potential: High
Emergency Action Plan? Yes
Inspection Date: 2011-12-05
Inspection Frequency: 1
State Regulated Dam? Yes
State Regulating Agency: IDNR
Spillway Type: Uncontrolled
Spillway Width: 120 feet
Outlet Gates: U
Federal Funding Agency: LAKE CARLTON
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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