Izaak Walton Lake Dam

TRIB PARTRIDGE CREEK· Woodford, Illinois· Built 1971· Earth· 33 ft tall
Low Hazard Recreation Private

Key Takeaway

Izaak Walton Lake Dam is classified as low hazard in Illinois. It was completed in 1971 and is 55 years old. Its primary use is recreation.

Physical Details

Dam Height 33 ft (taller than 71.6% in IL)
Dam Length505 ft
Dam TypeEarth
Max Storage170 acre-ft
Normal Storage100 acre-ft
Year Completed1971 (55 years old)
NID IDIL00350

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: August 24, 2023
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

IZAAK WALTON LEAGUE

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Izaak Walton Lake Dam?

Izaak Walton Lake Dam 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 Izaak Walton Lake Dam?

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

When was Izaak Walton Lake Dam built?

Izaak Walton Lake Dam was completed in 1971, making it 55 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 Dam?

Izaak Walton 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 Izaak Walton Lake Dam?

Izaak Walton Lake Dam has a dam height of 33 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 Dam last inspected?

Izaak Walton Lake Dam was last inspected on August 24, 2023. 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.