Hays Lonell, a privately owned earth dam located in Ninnekah, Oklahoma, was completed in 1975 by the USDA NRCS.
Wind
Humidity
This dam, designed for flood risk reduction, stands at a height of 35 feet and stretches 835 feet in length along the TR Little Washita River. With a maximum storage capacity of 525 acre-feet and a normal storage capacity of 240 acre-feet, Hays Lonell plays a crucial role in managing water resources in the Comanche County area.
Managed by the OWRB and regulated by the state of Oklahoma, Hays Lonell has a low hazard potential and is currently rated as "Not Rated" in terms of condition assessment. Despite its low hazard potential, the risk assessment for this dam is classified as "Very High (1)", highlighting the importance of ongoing monitoring and maintenance. With a controlled spillway and a single valve outlet gate, Hays Lonell serves as a key infrastructure for flood protection and water resource management in the region.
As a vital structure for flood risk reduction along the TR Little Washita River, Hays Lonell is a key component of the water resource infrastructure in Comanche County, Oklahoma. With its strategic location and design features, this earth dam continues to play a crucial role in mitigating flood risks and ensuring the sustainable management of water resources in the area.
Year Completed |
1975 |
Dam Length |
835 |
Dam Height |
35 |
River Or Stream |
TR LITTLE WASHITA RIVER |
Primary Dam Type |
Earth |
Hydraulic Height |
35 |
Nid Storage |
525 |
Structural Height |
35 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
35 |