East Fork Above Lavon WS SCS Site 33 Dam

TR-EAST FORK TRINITY RIVER· Collin, Texas· Built 1966· Earth· 37 ft tall
High Hazard Flood Risk Reduction Local Government

Key Takeaway

East Fork Above Lavon WS SCS Site 33 Dam is classified as high hazard in Texas. It was completed in 1966 and is 60 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 37 ft (taller than 80.8% in TX)
Dam Length1,902 ft
Dam TypeEarth
Max Storage783 acre-ft
Normal Storage146 acre-ft
Surface Area23 acres
Drainage Area1 sq mi
Max Discharge1,528 cfs
Year Completed1966 (60 years old)
NID IDTX01163

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: July 10, 2019
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

COLLIN COUNTY;COLLIN COUNTY SWCD

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of East Fork Above Lavon WS SCS Site 33 Dam?

East Fork Above Lavon WS SCS Site 33 Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates East Fork Above Lavon WS SCS Site 33 Dam?

East Fork Above Lavon WS SCS Site 33 Dam is owned by COLLIN COUNTY;COLLIN COUNTY SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was East Fork Above Lavon WS SCS Site 33 Dam built?

East Fork Above Lavon WS SCS Site 33 Dam was completed in 1966, making it 60 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of East Fork Above Lavon WS SCS Site 33 Dam?

East Fork Above Lavon WS SCS Site 33 Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is East Fork Above Lavon WS SCS Site 33 Dam?

East Fork Above Lavon WS SCS Site 33 Dam has a dam height of 37 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was East Fork Above Lavon WS SCS Site 33 Dam last inspected?

East Fork Above Lavon WS SCS Site 33 Dam was last inspected on July 10, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.