Gary Cook

CEDAR BRANCH· Bollinger, Missouri· Built 1997· Earth· 31 ft tall

Key Takeaway

Gary Cook is classified as low hazard in Missouri. It was completed in 1997 and is 29 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 31 ft (taller than 73.7% in MO)
Dam Length434 ft
Dam TypeEarth
Max Storage132 acre-ft
Normal Storage90 acre-ft
Surface Area4 acres
Drainage Area173 sq mi
Max Discharge21 cfs
Year Completed1997 (29 years old)
NID IDMO50445

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 1, 1999
State Regulated: No

Ownership

GARY COOK

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Gary Cook?

Gary Cook 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 Gary Cook?

Gary Cook is owned by GARY COOK (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Gary Cook built?

Gary Cook was completed in 1997, making it 29 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 Gary Cook?

Gary Cook serves the following purposes: Flood Risk Reduction, Grade Stabilization, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Gary Cook?

Gary Cook has a dam height of 31 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 Gary Cook last inspected?

Gary Cook was last inspected on November 1, 1999. 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.