Williamson Energy/Pond Creek Mine/Refuse Disposal Facility

TRIB POND CREEK· Williamson, Illinois· Rockfill· 88 ft tall
High Hazard Other Private

Key Takeaway

Williamson Energy/Pond Creek Mine/Refuse Disposal Facility is classified as high hazard in Illinois. Its primary use is other. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 88 ft (taller than 98.9% in IL)
Dam Length6,769 ft
Dam TypeRockfill
Max Storage3.2K acre-ft
Normal Storage3.0K acre-ft
NID IDIL50624

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: Yes
Last Inspection: March 24, 2020
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

WILLIAMSON ENERGY, LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Williamson Energy/Pond Creek Mine/Refuse Disposal Facility?

Williamson Energy/Pond Creek Mine/Refuse Disposal Facility is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Williamson Energy/Pond Creek Mine/Refuse Disposal Facility?

Williamson Energy/Pond Creek Mine/Refuse Disposal Facility is owned by WILLIAMSON ENERGY, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Williamson Energy/Pond Creek Mine/Refuse Disposal Facility?

Williamson Energy/Pond Creek Mine/Refuse Disposal Facility serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Williamson Energy/Pond Creek Mine/Refuse Disposal Facility?

Williamson Energy/Pond Creek Mine/Refuse Disposal Facility has a dam height of 88 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 Williamson Energy/Pond Creek Mine/Refuse Disposal Facility last inspected?

Williamson Energy/Pond Creek Mine/Refuse Disposal Facility was last inspected on March 24, 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.