Hall No.3

TR-GYP CR· Major, Oklahoma· Built 1974· Earth· 30 ft tall
Low Hazard Other Private

Key Takeaway

Hall No.3 is classified as low hazard in Oklahoma. It was completed in 1974 and is 52 years old. Its primary use is other.

Physical Details

Dam Height 30 ft (taller than 54.9% in OK)
Dam Length236 ft
Dam TypeEarth
Max Storage75 acre-ft
Normal Storage50 acre-ft
Max Discharge744 cfs
Year Completed1974 (52 years old)
NID IDOK13188

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 11, 2009
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

MARILYN AARON

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hall No.3?

Hall No.3 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 Hall No.3?

Hall No.3 is owned by MARILYN AARON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Hall No.3 built?

Hall No.3 was completed in 1974, making it 52 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 Hall No.3?

Hall No.3 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 Hall No.3?

Hall No.3 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 Hall No.3 last inspected?

Hall No.3 was last inspected on August 11, 2009. 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.