SCS-Cotton-Coon-Mission Cr Site-011

COON CREEK· Nowata, Oklahoma· Built 1980· Earth· 38 ft tall
Low Hazard Flood Risk Reduction State Government

Key Takeaway

SCS-Cotton-Coon-Mission Cr Site-011 is classified as low hazard in Oklahoma. It was completed in 1980 and is 46 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 38 ft (taller than 80.3% in OK)
Dam Length1,750 ft
Dam TypeEarth
Max Storage610 acre-ft
Normal Storage72 acre-ft
Surface Area13 acres
Max Discharge1,250 cfs
Year Completed1980 (46 years old)
NID IDOK20854

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

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

Emergency Action Plan: No
Last Inspection: January 1, 1980
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

NOWATA CO CONS DIST

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of SCS-Cotton-Coon-Mission Cr Site-011?

SCS-Cotton-Coon-Mission Cr Site-011 is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates SCS-Cotton-Coon-Mission Cr Site-011?

SCS-Cotton-Coon-Mission Cr Site-011 is owned by NOWATA CO CONS DIST (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was SCS-Cotton-Coon-Mission Cr Site-011 built?

SCS-Cotton-Coon-Mission Cr Site-011 was completed in 1980, making it 46 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-Cotton-Coon-Mission Cr Site-011?

SCS-Cotton-Coon-Mission Cr Site-011 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-Cotton-Coon-Mission Cr Site-011?

SCS-Cotton-Coon-Mission Cr Site-011 has a dam height of 38 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-Cotton-Coon-Mission Cr Site-011 last inspected?

SCS-Cotton-Coon-Mission Cr Site-011 was last inspected on January 1, 1980. 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.