Manito Dam

LITTLE RICHLAND CREEK· Moniteau, Missouri· Built 1984· Earth· 43 ft tall
High Hazard Recreation State Government

Key Takeaway

Manito Dam is classified as high hazard in Missouri. It was completed in 1984 and is 42 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 43 ft (taller than 91.5% in MO)
Dam Length2,200 ft
Dam TypeEarth
Max Storage918 acre-ft
Normal Storage918 acre-ft
Surface Area77 acres
Drainage Area2 sq mi
Max Discharge4,670 cfs
Year Completed1984 (42 years old)
Year Modified1983
NID IDMO31853

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: November 10, 2020
State Regulated: Yes
Regulatory Agency: Dam and Reservoir Safety Program

Ownership

MO DEPT OF CONSERVATION

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Manito Dam?

Manito Dam 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 Manito Dam?

Manito Dam is owned by MO DEPT OF CONSERVATION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Manito Dam built?

Manito Dam was completed in 1984, making it 42 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 Manito Dam?

Manito Dam 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 Manito Dam?

Manito Dam has a dam height of 43 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 Manito Dam last inspected?

Manito Dam was last inspected on November 10, 2020. 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.