Junior Tillman No.1

SOUTH CANADIAN· Canadian, Oklahoma· Built 1999· Earth· 30 ft tall
Low Hazard Other Private

Key Takeaway

Junior Tillman No.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 30 ft (taller than 54.9% in OK)
Dam Length218 ft
Dam TypeEarth
Max Storage26 acre-ft
Normal Storage16 acre-ft
Surface Area2 acres
Drainage Area127 sq mi
Max Discharge442 cfs
Year Completed1999 (27 years old)
NID IDOK30035

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: August 23, 2010
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

GARY L & DEBRA J LEESON

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Junior Tillman No.1?

Junior Tillman No.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 Junior Tillman No.1?

Junior Tillman No.1 is owned by GARY L & DEBRA J LEESON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Junior Tillman No.1 built?

Junior Tillman No.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 Junior Tillman No.1?

Junior Tillman No.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 Junior Tillman No.1?

Junior Tillman No.1 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 Junior Tillman No.1 last inspected?

Junior Tillman No.1 was last inspected on August 23, 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.