Coleman Dam

TR TO LITTLE SPRING OSAGE CK· St. Charles, Missouri· Built 1991· Earth· 51 ft tall
Significant Hazard Recreation Private

Key Takeaway

Coleman Dam is classified as significant hazard in Missouri. It was completed in 1991 and is 35 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 51 ft (taller than 95.4% in MO)
Dam Length460 ft
Dam TypeEarth
Max Storage580 acre-ft
Normal Storage580 acre-ft
Surface Area25 acres
Drainage Area1 sq mi
Max Discharge1,459 cfs
Year Completed1991 (35 years old)
Year Modified1991
NID IDMO31882

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

Emergency Action Plan: No
Last Inspection: April 10, 2020
State Regulated: Yes
Regulatory Agency: Dam and Reservoir Safety Program

Ownership

MARGARET COLEMAN

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Coleman Dam?

Coleman Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Coleman Dam?

Coleman Dam is owned by MARGARET COLEMAN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Coleman Dam built?

Coleman Dam was completed in 1991, making it 35 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 Coleman Dam?

Coleman 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 Coleman Dam?

Coleman Dam has a dam height of 51 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 Coleman Dam last inspected?

Coleman Dam was last inspected on April 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.