Bottom Diggins Dam

TR-MILL CREEK· Washington, Missouri· Built 1957· Earth· 41 ft tall
High Hazard Tailings Private

Key Takeaway

Bottom Diggins Dam is classified as high hazard in Missouri. It was completed in 1957 and is 69 years old. Its primary use is tailings. 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 41 ft (taller than 90.4% in MO)
Dam Length1,300 ft
Dam TypeEarth
Max Storage300 acre-ft
Normal Storage51 acre-ft
Surface Area38 acres
Drainage Area2 sq mi
Max Discharge8,335 cfs
Year Completed1957 (69 years old)
Year Modified1996
NID IDMO30750

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: December 13, 2022
State Regulated: Yes
Regulatory Agency: Dam and Reservoir Safety Program

Ownership

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Bottom Diggins Dam?

Bottom Diggins 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 Bottom Diggins Dam?

Bottom Diggins Dam is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Bottom Diggins Dam built?

Bottom Diggins Dam was completed in 1957, making it 69 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 Bottom Diggins Dam?

Bottom Diggins Dam serves the following purposes: Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Bottom Diggins Dam?

Bottom Diggins Dam has a dam height of 41 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 Bottom Diggins Dam last inspected?

Bottom Diggins Dam was last inspected on December 13, 2022. 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.