Located in Payne County, Oklahoma, Cedar Isle is a privately owned earth dam designed by the City of Stillwater for flood risk reduction along a tributary to Stillwater Creek.
Wind
Humidity
Completed in 1950, this dam stands at a height of 19 feet and has a maximum storage capacity of 99 acre-feet. With a drainage area of 0.31 square miles, Cedar Isle has a spillway width of 1 foot and a maximum discharge capacity of 2356 cubic feet per second, making it a crucial infrastructure for managing water flow in the region.
Despite being in fair condition as of the last inspection in October 2021, Cedar Isle poses a high hazard potential due to its location and purpose. The dam is regulated by the Oklahoma Water Resources Board, with state permitting, inspection, and enforcement in place to ensure its safety and compliance with regulations. With a very high risk assessment, Cedar Isle is equipped with a valve outlet gate and has emergency action plans in place to mitigate any potential risks associated with its operation.
As a key component in the flood risk reduction strategy for Stillwater, Cedar Isle serves as a vital structure for water resource management in the region. Its strategic location and design, combined with regular inspections and risk management measures, make it an essential asset for protecting the community from potential flooding events. For water resource and climate enthusiasts, Cedar Isle presents an intriguing case study in dam infrastructure and the intersection of water management and public safety.
Year Completed |
1950 |
Dam Length |
425 |
Dam Height |
19 |
River Or Stream |
TRIBUTARY TO STILLWATER CREEK |
Primary Dam Type |
Earth |
Surface Area |
19 |
Hydraulic Height |
14 |
Drainage Area |
0.31 |
Nid Storage |
99 |
Structural Height |
19 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
19 |
Cimarron River Near Ripley
|
528cfs |
Cimarron River Near Guthrie
|
483cfs |
Black Bear Creek At Pawnee
|
11cfs |
Skeleton Creek Near Lovell
|
28cfs |
Cottonwood Creek Near Seward
|
69cfs |
Deep Fork At Warwick
|
23cfs |
| Location | Reservations | Toilets |
|---|---|---|
Lake Carl Blackwell
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Catfish Cove
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Lake McMurtry West
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Lake McMurtry East
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