Monroe City South Lake Dam

TR.TO LITTLE INDIAN CREEK· Monroe, Missouri· Built 1937· Earth· 31 ft tall
High Hazard Recreation Water Supply Local Government

Key Takeaway

Monroe City South Lake Dam is classified as high hazard in Missouri. It was completed in 1937 and is 89 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 31 ft (taller than 73.7% in MO)
Dam TypeEarth
Max Storage829 acre-ft
Normal Storage217 acre-ft
Surface Area50 acres
Drainage Area668 sq mi
Year Completed1937 (89 years old)
NID IDMO10538

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 13, 1979
State Regulated: No

Ownership

CITY OF MONROE

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Monroe City South Lake Dam?

Monroe City South 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 Monroe City South Lake Dam?

Monroe City South Lake Dam is owned by CITY OF MONROE (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Monroe City South Lake Dam built?

Monroe City South Lake Dam was completed in 1937, making it 89 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 Monroe City South Lake Dam?

Monroe City South Lake Dam serves the following purposes: Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Monroe City South Lake Dam?

Monroe City South Lake Dam has a dam height of 31 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 Monroe City South Lake Dam last inspected?

Monroe City South Lake Dam was last inspected on June 13, 1979. 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.