Milan Lake Dam South

TR-LOCUST CREEK· Sullivan, Missouri· Built 1940· Earth· 36 ft tall
Low Hazard Water Supply Recreation Local Government

Key Takeaway

Milan Lake Dam South is classified as low hazard in Missouri. It was completed in 1940 and is 86 years old. Its primary use is water supply.

Physical Details

Dam Height 36 ft (taller than 86.5% in MO)
Dam Length700 ft
Dam TypeEarth
Max Storage562 acre-ft
Normal Storage562 acre-ft
Surface Area36 acres
Drainage Area1 sq mi
Max Discharge847 cfs
Year Completed1940 (86 years old)
NID IDMO10398

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: March 3, 2020
State Regulated: Yes
Regulatory Agency: Dam and Reservoir Safety Program

Ownership

CITY OF MILAN

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Milan Lake Dam South?

Milan Lake Dam South is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Milan Lake Dam South?

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

When was Milan Lake Dam South built?

Milan Lake Dam South was completed in 1940, making it 86 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 Milan Lake Dam South?

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

How tall is Milan Lake Dam South?

Milan Lake Dam South has a dam height of 36 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 Milan Lake Dam South last inspected?

Milan Lake Dam South was last inspected on March 3, 2020. 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.