SCS-Little Washita River Site-48

TR-LITTLE WASHITA RIV· Grady, Oklahoma· Built 1978· Earth· 20 ft tall
Significant Hazard Flood Risk Reduction State Government

Key Takeaway

SCS-Little Washita River Site-48 is classified as significant hazard in Oklahoma. It was completed in 1978 and is 48 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 20 ft (taller than 11.5% in OK)
Dam Length620 ft
Dam TypeEarth
Max Storage141 acre-ft
Normal Storage44 acre-ft
Surface Area9 acres
Max Discharge500 cfs
Year Completed1978 (48 years old)
NID IDOK20852

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: December 2, 2011
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

GRADY CO CONS DIST

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of SCS-Little Washita River Site-48?

SCS-Little Washita River Site-48 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-Little Washita River Site-48?

SCS-Little Washita River Site-48 is owned by GRADY CO CONS DIST (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was SCS-Little Washita River Site-48 built?

SCS-Little Washita River Site-48 was completed in 1978, making it 48 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-Little Washita River Site-48?

SCS-Little Washita River Site-48 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-Little Washita River Site-48?

SCS-Little Washita River Site-48 has a dam height of 20 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-Little Washita River Site-48 last inspected?

SCS-Little Washita River Site-48 was last inspected on December 2, 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.