Raintree Lake Dam

MIDDLE BIG CREEK· Cass, Missouri· Built 1974· Earth· 55 ft tall
High Hazard Recreation Private

Key Takeaway

Raintree Lake Dam is classified as high hazard in Missouri. It was completed in 1974 and is 52 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 55 ft (taller than 96.3% in MO)
Dam Length1,900 ft
Dam TypeEarth
Max Storage7.2K acre-ft
Normal Storage3.6K acre-ft
Surface Area475 acres
Drainage Area8 sq mi
Max Discharge15,800 cfs
Year Completed1974 (52 years old)
NID IDMO20388

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: May 17, 2022
State Regulated: Yes
Regulatory Agency: Dam and Reservoir Safety Program

Ownership

RAINTREE LAKE DEV CORP

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Raintree Lake Dam?

Raintree Lake 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 Raintree Lake Dam?

Raintree Lake Dam is owned by RAINTREE LAKE DEV CORP (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Raintree Lake Dam built?

Raintree Lake Dam was completed in 1974, making it 52 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 Raintree Lake Dam?

Raintree Lake 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 Raintree Lake Dam?

Raintree Lake Dam has a dam height of 55 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 Raintree Lake Dam last inspected?

Raintree Lake Dam was last inspected on May 17, 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.