Gaston, located in Roanoke Rapids, North Carolina, is a concrete hydroelectric dam designed by Stone & Webster and completed in 1963.
Wind
Humidity
With a height of 99 feet and a hydraulic height of 89 feet, Gaston serves multiple purposes including fish and wildlife pond, recreation, and water supply. The dam has a storage capacity of 513,000 acre-feet and a surface area of 20,300 acres, drawing water from the Roanoke River.
Managed by the Federal Energy Regulatory Commission, Gaston boasts a spillway width of 548 feet and 11 radial Tainter gates for water release control. The dam has a high hazard potential and a very high risk assessment rating, emphasizing the importance of its operation and maintenance. Despite its critical role in water resource management and electricity generation, Gaston's condition assessment is currently listed as not available, highlighting the need for ongoing inspection and maintenance efforts to ensure its safety and functionality for the surrounding community and ecosystems.
Year Completed |
1963 |
Dam Length |
3600 |
Dam Height |
99 |
River Or Stream |
Roanoke |
Primary Dam Type |
Concrete |
Surface Area |
20300 |
Hydraulic Height |
89 |
Drainage Area |
8340 |
Nid Storage |
513000 |
Structural Height |
99 |
Outlet Gates |
Tainter (radial) - 11 |
Hazard Potential |
High |
Foundations |
Rock, Soil |
Nid Height |
99 |
Roanoke River At Roanoke Rapids
|
2810cfs |
Meherrin River Near Lawrenceville
|
238cfs |
Meherrin River At Emporia
|
327cfs |
Little Fishing Creek Near White Oak
|
13cfs |
Fishing Creek Near Enfield
|
129cfs |
Swift Creek At Hilliardston
|
858cfs |