Jimmerson Lake Dam

CROOKED CREEK· Steuben, Indiana· Built 1945· Concrete· 16 ft tall
Significant Hazard Recreation State Government

Key Takeaway

Jimmerson Lake Dam is classified as significant hazard in Indiana. It was completed in 1945 and is 81 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 16 ft (taller than 11.2% in IN)
Dam Length360 ft
Dam TypeConcrete
Max Storage1.7K acre-ft
Normal Storage1.2K acre-ft
Surface Area434 acres
Drainage Area52 sq mi
Max Discharge399 cfs
Year Completed1945 (81 years old)
NID IDIN00801

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

Emergency Action Plan: Yes
Last Inspection: November 15, 2017
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

Steuben County Highway Department

State Government

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Frequently Asked Questions

What is the hazard classification of Jimmerson Lake Dam?

Jimmerson Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Jimmerson Lake Dam?

Jimmerson Lake Dam is owned by Steuben County Highway Department (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Jimmerson Lake Dam built?

Jimmerson Lake Dam was completed in 1945, making it 81 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 Jimmerson Lake Dam?

Jimmerson 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 Jimmerson Lake Dam?

Jimmerson Lake Dam has a dam height of 16 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 Jimmerson Lake Dam last inspected?

Jimmerson Lake Dam was last inspected on November 15, 2017. 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.