East Fork Above Lavon WS SCS Site 20 Dam, located in Grayson, Texas, is a crucial structure designed by USDA NRCS to reduce flood risk along the East Fork Trinity River.
Wind
Humidity
Completed in 1964, this earthen dam stands at a height of 36 feet and stretches 1,115 feet in length, with a storage capacity of 626 acre-feet. With a normal storage of 98 acre-feet and a maximum discharge of 1,036 cubic feet per second, this dam plays a significant role in managing water flow and mitigating potential flooding in the region.
The dam features an uncontrolled spillway with a width of 66 feet and two uncontrolled outlet gates. Despite being rated in fair condition as of February 2018, its hazard potential is not available, and a moderate risk level has been assigned. The dam is regulated by the TCEQ and undergoes regular inspection every five years to ensure its structural integrity and operational efficiency. The surrounding area spans 13.9 acres, serving a drainage area of 1.23 square miles. With its strategic location and purpose, East Fork Above Lavon WS SCS Site 20 Dam stands as a vital asset for water resource management and climate resilience in the region.
Year Completed |
1964 |
Dam Length |
1115 |
Dam Height |
36 |
River Or Stream |
TR-EAST FORK TRINITY RIVER |
Primary Dam Type |
Earth |
Surface Area |
13.9 |
Hydraulic Height |
36 |
Drainage Area |
1.23 |
Nid Storage |
626 |
Structural Height |
36 |
Outlet Gates |
Uncontrolled - 2 |
Hazard Potential |
Not Available |
Foundations |
Unlisted/Unknown |
Nid Height |
36 |