SCS-Tonkawa Creek Site-002

TR-TONKAWA CR· Caddo, Oklahoma· Built 1970· Earth· 30 ft tall
Significant Hazard Flood Risk Reduction State Government

Key Takeaway

SCS-Tonkawa Creek Site-002 is classified as significant hazard in Oklahoma. It was completed in 1970 and is 56 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 30 ft (taller than 54.9% in OK)
Dam Length1,270 ft
Dam TypeEarth
Max Storage512 acre-ft
Normal Storage79 acre-ft
Surface Area20 acres
Max Discharge5,250 cfs
Year Completed1970 (56 years old)
NID IDOK20601

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

Emergency Action Plan: No
Last Inspection: August 17, 2011
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

SOUTH CADDO CONS DIST

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of SCS-Tonkawa Creek Site-002?

SCS-Tonkawa Creek Site-002 is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates SCS-Tonkawa Creek Site-002?

SCS-Tonkawa Creek Site-002 is owned by SOUTH CADDO CONS DIST (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was SCS-Tonkawa Creek Site-002 built?

SCS-Tonkawa Creek Site-002 was completed in 1970, making it 56 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 SCS-Tonkawa Creek Site-002?

SCS-Tonkawa Creek Site-002 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 SCS-Tonkawa Creek Site-002?

SCS-Tonkawa Creek Site-002 has a dam height of 30 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 SCS-Tonkawa Creek Site-002 last inspected?

SCS-Tonkawa Creek Site-002 was last inspected on August 17, 2011. 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.