Dam #1

COFFIN CREEK· Tillman, Oklahoma· Built 1999· Gravity· 13 ft tall
Low Hazard Other Private

Key Takeaway

Dam #1 is classified as low hazard in Oklahoma. It was completed in 1999 and is 27 years old. Its primary use is other.

Physical Details

Dam Height 13 ft (taller than 0.6% in OK)
Dam Length588 ft
Dam TypeGravity
Max Storage71 acre-ft
Normal Storage21 acre-ft
Surface Area7 acres
Drainage Area156 sq mi
Max Discharge10 cfs
Year Completed1999 (27 years old)
NID IDOK22283

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: November 29, 2010
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

JASON TREADWELL

Private

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Horton Dr. Joe

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Oknoname 30177

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SCS-Deep Red Run-Coffin Cr Site-02

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SCS-Deep Red Run-Coffin Creek Site-01

Tillman, OK

Significant Hazard 65 ft

Frequently Asked Questions

What is the hazard classification of Dam #1?

Dam #1 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 Dam #1?

Dam #1 is owned by JASON TREADWELL (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Dam #1 built?

Dam #1 was completed in 1999, making it 27 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 Dam #1?

Dam #1 serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Dam #1?

Dam #1 has a dam height of 13 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 Dam #1 last inspected?

Dam #1 was last inspected on November 29, 2010. 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.