Willow Lake Estates Dam

TRIB PARAIRIE DULONG CR· Monroe, Illinois· Built 1996· Earth· 17 ft tall
Low Hazard Recreation Private

Key Takeaway

Willow Lake Estates Dam is classified as low hazard in Illinois. It was completed in 1996 and is 30 years old. Its primary use is recreation.

Physical Details

Dam Height 17 ft (taller than 22.3% in IL)
Dam Length550 ft
Dam TypeEarth
Max Storage55 acre-ft
Normal Storage32 acre-ft
Surface Area8 acres
Year Completed1996 (30 years old)
NID IDIL50664

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: July 3, 2015
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

OSCAR CARAWAY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Willow Lake Estates Dam?

Willow Lake Estates 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 Willow Lake Estates Dam?

Willow Lake Estates Dam is owned by OSCAR CARAWAY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Willow Lake Estates Dam built?

Willow Lake Estates Dam was completed in 1996, making it 30 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 Willow Lake Estates Dam?

Willow Lake Estates 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 Willow Lake Estates Dam?

Willow Lake Estates Dam has a dam height of 17 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 Willow Lake Estates Dam last inspected?

Willow Lake Estates Dam was last inspected on July 3, 2015. 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.