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East Fork Above Lavon WS SCS Site 4 Dam, located in Collin County, Texas, was designed by the USDA NRCS and completed in 1959 for flood risk reduction on the Franklin Branch river.
This earth dam stands at a height of 34 feet and has a length of 1947 feet, with a storage capacity of 2090 acre-feet. The dam serves multiple purposes including fire protection, stock or small fish pond, flood risk reduction, and recreation.
The dam's spillway is uncontrolled with a width of 256 feet, allowing for a maximum discharge of 11500 cubic feet per second. The structure is maintained in fair condition, with inspections conducted every 5 years by the Texas Commission on Environmental Quality (TCEQ). The dam has a moderate risk rating and lacks an Emergency Action Plan (EAP) as of the last assessment in 2017.
Overall, East Fork Above Lavon WS SCS Site 4 Dam plays a crucial role in managing water resources and minimizing flood risks in the region. Its strategic location and design make it a vital asset for the local community, highlighting the importance of proper maintenance and risk management to ensure its continued effectiveness in safeguarding the area from potential hazards.
Year Completed |
1959 |
Dam Length |
1947 |
Dam Height |
34 |
River Or Stream |
FRANKLIN BRANCH |
Primary Dam Type |
Earth |
Surface Area |
33 |
Hydraulic Height |
34 |
Drainage Area |
3.71 |
Nid Storage |
2090 |
Structural Height |
34 |
Outlet Gates |
Uncontrolled - 2, Valve - 1 |
Hazard Potential |
Not Available |
Foundations |
Rock, Soil |
Nid Height |
34 |