Riley Lake Dam

Vigo, Indiana· Built 1964· 13 ft tall
Significant Hazard Recreation Private

Key Takeaway

Riley Lake Dam is classified as significant hazard in Indiana. It was completed in 1964 and is 62 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 13 ft (taller than 6.2% in IN)
Dam Length480 ft
Max Storage65 acre-ft
Normal Storage34 acre-ft
Surface Area1 acres
Drainage Area1 sq mi
Max Discharge0 cfs
Year Completed1964 (62 years old)
NID IDIN00724

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: No
Last Inspection: August 19, 1964
State Regulated: No

Ownership

Private

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Frequently Asked Questions

What is the hazard classification of Riley Lake Dam?

Riley 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 Riley Lake Dam?

Riley Lake Dam is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Riley Lake Dam built?

Riley Lake 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 Riley Lake Dam?

Riley 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 Riley Lake Dam?

Riley Lake Dam has a dam height of 13 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 Riley Lake Dam last inspected?

Riley Lake Dam was last inspected on August 19, 1964. 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.