Lake Latonka Dam

HARRY COOL DITCH· Marshall, Indiana· Built 1964· Earth· 24 ft tall
High Hazard Recreation Private

Key Takeaway

Lake Latonka Dam is classified as high hazard in Indiana. It was completed in 1964 and is 62 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 24 ft (taller than 38.5% in IN)
Dam Length1,931 ft
Dam TypeEarth
Max Storage754 acre-ft
Normal Storage440 acre-ft
Surface Area100 acres
Drainage Area5 sq mi
Max Discharge336 cfs
Year Completed1964 (62 years old)
NID IDIN00117

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 7, 2022
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

LAKE LATONKA PROPERTY OWNERS ASSOCIATION

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Latonka Dam?

Lake Latonka 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 Latonka Dam?

Lake Latonka Dam is owned by LAKE LATONKA PROPERTY OWNERS ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Latonka Dam built?

Lake Latonka Dam was completed in 1964, making it 62 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 Latonka Dam?

Lake Latonka 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 Latonka Dam?

Lake Latonka Dam has a dam height of 24 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 Latonka Dam last inspected?

Lake Latonka Dam was last inspected on July 7, 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.