Izaak Walton Lake

OTTER CREEK· Clay, Indiana· Built 1934· Earth· 25 ft tall
Significant Hazard Recreation Private

Key Takeaway

Izaak Walton Lake is classified as significant hazard in Indiana. It was completed in 1934 and is 92 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 25 ft (taller than 42.2% in IN)
Dam Length365 ft
Dam TypeEarth
Max Storage83 acre-ft
Normal Storage49 acre-ft
Surface Area8 acres
Drainage Area0 sq mi
Max Discharge33 cfs
Year Completed1934 (92 years old)
NID IDIN00289

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: December 3, 2020
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

IZAAK WALTON LEAGUE OF AMERICA

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Izaak Walton Lake?

Izaak Walton Lake 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 Izaak Walton Lake?

Izaak Walton Lake is owned by IZAAK WALTON LEAGUE OF AMERICA (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Izaak Walton Lake built?

Izaak Walton Lake was completed in 1934, making it 92 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 Izaak Walton Lake?

Izaak Walton Lake 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 Izaak Walton Lake?

Izaak Walton Lake has a dam height of 25 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 Izaak Walton Lake last inspected?

Izaak Walton Lake was last inspected on December 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.