Exxonmobil Coal Usa/Mine 2/Refuse Disposal Area 2

GRASSY BRANCH CREEK· Clinton, Illinois· Built 1990· Earth· 56 ft tall
High Hazard Other Private

Key Takeaway

Exxonmobil Coal Usa/Mine 2/Refuse Disposal Area 2 is classified as high hazard in Illinois. It was completed in 1990 and is 36 years old. 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 56 ft (taller than 94.4% in IL)
Dam Length9,010 ft
Dam TypeEarth
Max Storage1.5K acre-ft
Normal Storage0 acre-ft
Surface Area115 acres
Drainage Area0 sq mi
Max Discharge16 cfs
Year Completed1990 (36 years old)
NID IDIL50191

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: July 14, 2020
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

EXXONMOBIL ENVIRONMENTAL SERVICES COMPAN

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Exxonmobil Coal Usa/Mine 2/Refuse Disposal Area 2?

Exxonmobil Coal Usa/Mine 2/Refuse Disposal Area 2 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 Exxonmobil Coal Usa/Mine 2/Refuse Disposal Area 2?

Exxonmobil Coal Usa/Mine 2/Refuse Disposal Area 2 is owned by EXXONMOBIL ENVIRONMENTAL SERVICES COMPAN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Exxonmobil Coal Usa/Mine 2/Refuse Disposal Area 2 built?

Exxonmobil Coal Usa/Mine 2/Refuse Disposal Area 2 was completed in 1990, making it 36 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 Exxonmobil Coal Usa/Mine 2/Refuse Disposal Area 2?

Exxonmobil Coal Usa/Mine 2/Refuse Disposal Area 2 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 Exxonmobil Coal Usa/Mine 2/Refuse Disposal Area 2?

Exxonmobil Coal Usa/Mine 2/Refuse Disposal Area 2 has a dam height of 56 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 Exxonmobil Coal Usa/Mine 2/Refuse Disposal Area 2 last inspected?

Exxonmobil Coal Usa/Mine 2/Refuse Disposal Area 2 was last inspected on July 14, 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.