Joe Hardin Lock and Dam, also known as Pool 3, is a Federal-owned structure located in Gillett, Arkansas.
Wind
Humidity
Completed in 1968, this concrete dam serves primarily for navigation purposes along the Arkansas River. With a height of 28 feet and a length of 6720 feet, the dam has a storage capacity of 46,400 acre-feet and a maximum discharge rate of 291,600 cubic feet per second. The dam also features a controlled spillway with a width of 1080 feet and a single lock measuring 600 feet in length and 110 feet in width.
Managed by the US Army Corps of Engineers, Joe Hardin Lock and Dam has a significant hazard potential and is categorized as having a very high risk level. To address flood risks associated with the dam, the USACE regularly monitors its condition, engages with emergency managers and the public to raise awareness, and updates the emergency action plan accordingly. The dam plays a crucial role in managing water levels and ensuring structural integrity, especially during severe weather events that can potentially overwhelm the system. Despite the risks, efforts are continuously made to maintain the dam's functionality and readiness for any potential emergencies.
Year Completed |
1968 |
Dam Length |
6720 |
Dam Height |
28 |
River Or Stream |
ARKANSAS |
Primary Dam Type |
Concrete |
Surface Area |
3670 |
Length Of Locks |
600 |
Hydraulic Height |
26 |
Drainage Area |
159018 |
Nid Storage |
50400 |
Structural Height |
45 |
Hazard Potential |
Significant |
Foundations |
Soil |
Nid Height |
45 |
Bayou Bartholomew At Garrett Bridge
|
17cfs |
Saline River Near Rye
|
132cfs |
Bayou Bartholomew Near Mcgehee
|
7cfs |
Hurricane Creek Near Sheridan
|
16cfs |
Saline River Near Sheridan
|
170cfs |
Bayou Meto Near Lonoke
|
27cfs |