Lake Timber Ridge Dam

TR.TO PINOAK CR.· Gasconade, Missouri· Built 1971· Earth· 43 ft tall
High Hazard Recreation Private

Key Takeaway

Lake Timber Ridge Dam is classified as high hazard in Missouri. It was completed in 1971 and is 55 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 Length900 ft
Dam TypeEarth
Max Storage810 acre-ft
Normal Storage680 acre-ft
Surface Area36 acres
Drainage Area1 sq mi
Max Discharge3,076 cfs
Year Completed1971 (55 years old)
Year Modified1987
NID IDMO30762

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: July 20, 2022
State Regulated: Yes
Regulatory Agency: Dam and Reservoir Safety Program

Ownership

LAKE TIMBER RIDGE OWN A.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Timber Ridge Dam?

Lake Timber Ridge 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 Lake Timber Ridge Dam?

Lake Timber Ridge Dam is owned by LAKE TIMBER RIDGE OWN A. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Timber Ridge Dam built?

Lake Timber Ridge Dam was completed in 1971, making it 55 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 Lake Timber Ridge Dam?

Lake Timber Ridge 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 Lake Timber Ridge Dam?

Lake Timber Ridge 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 Lake Timber Ridge Dam last inspected?

Lake Timber Ridge Dam was last inspected on July 20, 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.