Pertle Springs Dam

TR-EAST FORK POST OAK CREEK· Johnson, Missouri· Built 1968· Earth· 20 ft tall
High Hazard Recreation State Government

Key Takeaway

Pertle Springs Dam is classified as high hazard in Missouri. It was completed in 1968 and is 58 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 20 ft (taller than 7.1% in MO)
Dam TypeEarth
Max Storage75 acre-ft
Normal Storage75 acre-ft
Surface Area7 acres
Drainage Area403 sq mi
Year Completed1968 (58 years old)
NID IDMO20044

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: May 15, 1980
State Regulated: No

Ownership

CENTRAL MO STATE COLLEGE

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Pertle Springs Dam?

Pertle Springs 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 Pertle Springs Dam?

Pertle Springs Dam is owned by CENTRAL MO STATE COLLEGE (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Pertle Springs Dam built?

Pertle Springs Dam was completed in 1968, making it 58 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 Pertle Springs Dam?

Pertle Springs 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 Pertle Springs Dam?

Pertle Springs Dam has a dam height of 20 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 Pertle Springs Dam last inspected?

Pertle Springs Dam was last inspected on May 15, 1980. 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.