Lakes of Deerwood Number One Dam

TR TO ISUM CREEK· Jefferson, Missouri· Built 1956· Earth· 33 ft tall
High Hazard Recreation Private

Key Takeaway

Lakes of Deerwood Number One Dam is classified as high hazard in Missouri. It was completed in 1956 and is 70 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 33 ft (taller than 79.3% in MO)
Dam Length425 ft
Dam TypeEarth
Max Storage130 acre-ft
Normal Storage90 acre-ft
Surface Area8 acres
Drainage Area100 sq mi
Max Discharge1,922 cfs
Year Completed1956 (70 years old)
NID IDMO30431

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: No
Last Inspection: June 1, 1987
State Regulated: No

Ownership

LAKES OF DEERWOOD

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lakes of Deerwood Number One Dam?

Lakes of Deerwood Number One 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 Lakes of Deerwood Number One Dam?

Lakes of Deerwood Number One Dam is owned by LAKES OF DEERWOOD (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lakes of Deerwood Number One Dam built?

Lakes of Deerwood Number One Dam was completed in 1956, making it 70 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 Lakes of Deerwood Number One Dam?

Lakes of Deerwood Number One 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 Lakes of Deerwood Number One Dam?

Lakes of Deerwood Number One Dam has a dam height of 33 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 Lakes of Deerwood Number One Dam last inspected?

Lakes of Deerwood Number One Dam was last inspected on June 1, 1987. 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.