SCS-Delaware Creek Site-009

DELAWARE CREEK· Johnston, Oklahoma· Built 1966· Earth· 70 ft tall
High Hazard Flood Risk Reduction State Government

Key Takeaway

SCS-Delaware Creek Site-009 is classified as high hazard in Oklahoma. 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 70 ft (taller than 98.5% in OK)
Dam Length1,130 ft
Dam TypeEarth
Max Storage4.4K acre-ft
Normal Storage620 acre-ft
Surface Area67 acres
Max Discharge10,400 cfs
Year Completed1966 (60 years old)
NID IDOK02188

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: December 19, 2011
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

JOHNSTON CO CONS DIST

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of SCS-Delaware Creek Site-009?

SCS-Delaware Creek Site-009 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 SCS-Delaware Creek Site-009?

SCS-Delaware Creek Site-009 is owned by JOHNSTON CO CONS DIST (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was SCS-Delaware Creek Site-009 built?

SCS-Delaware Creek Site-009 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 SCS-Delaware Creek Site-009?

SCS-Delaware Creek Site-009 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-Delaware Creek Site-009?

SCS-Delaware Creek Site-009 has a dam height of 70 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-Delaware Creek Site-009 last inspected?

SCS-Delaware Creek Site-009 was last inspected on December 19, 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.