Lonnie Heldermon Gssi

SOUTH CANADIAN· Caddo, Oklahoma· Built 1995· Earth· 45 ft tall
Low Hazard Other Private

Key Takeaway

Lonnie Heldermon Gssi is classified as low hazard in Oklahoma. It was completed in 1995 and is 31 years old. Its primary use is other.

Physical Details

Dam Height 45 ft (taller than 90.3% in OK)
Dam Length500 ft
Dam TypeEarth
Max Storage61 acre-ft
Normal Storage12 acre-ft
Surface Area3 acres
Drainage Area461 sq mi
Max Discharge41 cfs
Year Completed1995 (31 years old)
NID IDOK22238

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 30, 2001
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

LONNIE HELDERMON

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lonnie Heldermon Gssi?

Lonnie Heldermon Gssi 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 Lonnie Heldermon Gssi?

Lonnie Heldermon Gssi is owned by LONNIE HELDERMON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lonnie Heldermon Gssi built?

Lonnie Heldermon Gssi was completed in 1995, making it 31 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 Lonnie Heldermon Gssi?

Lonnie Heldermon Gssi 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 Lonnie Heldermon Gssi?

Lonnie Heldermon Gssi has a dam height of 45 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 Lonnie Heldermon Gssi last inspected?

Lonnie Heldermon Gssi was last inspected on November 30, 2001. 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.