Shadow Lake

TRIBUTARY TO S. CANADIAN RIVER· Cleveland, Oklahoma· Built 1930· Earth· 11 ft tall
High Hazard Recreation Private

Key Takeaway

Shadow Lake is classified as high hazard in Oklahoma. It was completed in 1930 and is 96 years old. Its primary use is recreation. 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 11 ft (taller than 0.3% in OK)
Dam Length751 ft
Dam TypeEarth
Max Storage56 acre-ft
Normal Storage20 acre-ft
Surface Area17 acres
Drainage Area230 sq mi
Max Discharge350 cfs
Year Completed1930 (96 years old)
NID IDOK02584

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: February 24, 2021
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

JIM BOWERS

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Shadow Lake?

Shadow 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 Shadow Lake?

Shadow Lake is owned by JIM BOWERS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Shadow Lake built?

Shadow Lake was completed in 1930, making it 96 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 Shadow Lake?

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

How tall is Shadow Lake?

Shadow Lake has a dam height of 11 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 Shadow Lake last inspected?

Shadow Lake was last inspected on February 24, 2021. 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.