Madill City Lake

TRIBUTARY TO GLASSES CREEK· Marshall, Oklahoma· Built 1907· Earth· 25 ft tall
High Hazard Water Supply Local Government

Key Takeaway

Madill City Lake is classified as high hazard in Oklahoma. It was completed in 1907 and is 119 years old. Its primary use is water supply. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 25 ft (taller than 29.9% in OK)
Dam Length1,200 ft
Dam TypeEarth
Max Storage240 acre-ft
Normal Storage158 acre-ft
Surface Area38 acres
Drainage Area1 sq mi
Max Discharge1,110 cfs
Year Completed1907 (119 years old)
NID IDOK10222

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: December 20, 2022
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

CITY OF MADILL

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Madill City Lake?

Madill City Lake is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Madill City Lake?

Madill City Lake is owned by CITY OF MADILL (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Madill City Lake built?

Madill City Lake was completed in 1907, making it 119 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 Madill City Lake?

Madill City Lake 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 Madill City Lake?

Madill City Lake has a dam height of 25 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 Madill City Lake last inspected?

Madill City Lake was last inspected on December 20, 2022. 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.