Prokap & Mcwilliams is a privately owned dam located in Graham, Oklahoma, on the North Canadian River.
Wind
Humidity
Built in 1960 for recreational purposes, this earth dam stands at a height of 40 feet and has a length of 590 feet. With a storage capacity of 60 acre-feet and a spillway width of 1 foot, the dam has a low hazard potential and is classified as very high risk due to its condition assessment not being rated.
Despite being privately owned, Prokap & Mcwilliams is regulated by the Oklahoma Water Resources Board (OWRB) and undergoes regular inspections, with the last one conducted in May 2011. The dam has one outlet gate and is equipped with a valve. In case of emergencies, the dam does not have an Emergency Action Plan (EAP) prepared, and its risk management measures are currently unspecified. While the dam's risk potential is deemed very high, its hazard potential remains low, making it a critical area for water resource and climate enthusiasts to monitor and assess for potential future developments and improvements.
Year Completed |
1960 |
Dam Length |
590 |
Dam Height |
40 |
River Or Stream |
NORTH CANADIAN RIV |
Primary Dam Type |
Earth |
Hydraulic Height |
40 |
Nid Storage |
60 |
Structural Height |
40 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
40 |
North Canadian River Near Wetumka
|
334cfs |
Deep Fork Near Beggs
|
97cfs |
Canadian River At Calvin
|
350cfs |
Little River Near Sasakwa
|
9cfs |
Arkansas River Near Haskell
|
5590cfs |
North Canadian River At Shawnee
|
238cfs |