Inola

INOLA CR· Rogers, Oklahoma· Built 1950· Earth· 22 ft tall
Low Hazard Water Supply Local Government

Key Takeaway

Inola is classified as low hazard in Oklahoma. It was completed in 1950 and is 76 years old. Its primary use is water supply.

Physical Details

Dam Height 22 ft (taller than 19.9% in OK)
Dam Length1,500 ft
Dam TypeEarth
Max Storage500 acre-ft
Normal Storage466 acre-ft
Surface Area71 acres
Max Discharge80 cfs
Year Completed1950 (76 years old)
NID IDOK10442

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: May 20, 2011
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

WINTHROP W. INGERSOLL ET AL

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Inola?

Inola 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 Inola?

Inola is owned by WINTHROP W. INGERSOLL ET AL (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Inola built?

Inola was completed in 1950, making it 76 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 Inola?

Inola serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Inola?

Inola has a dam height of 22 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 Inola last inspected?

Inola was last inspected on May 20, 2011. 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.