Duck Creek Gypsum Stack Dam

TRIB DUCK CREEK· Fulton, Illinois· Earth· 45 ft tall
Low Hazard Tailings Public Utility

Key Takeaway

Duck Creek Gypsum Stack Dam is classified as low hazard in Illinois. Its primary use is tailings.

Physical Details

Dam Height 45 ft (taller than 88% in IL)
Dam Length4,900 ft
Dam TypeEarth
Max Storage773 acre-ft
Normal Storage632 acre-ft
Surface Area8 acres
Drainage Area0 sq mi
Max Discharge550 cfs
NID IDIL50573

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: November 10, 2020
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

DYNEGY MIDWEST GENERATION, INC.

Public Utility

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Duck Creek Gypsum Stack Dam?

Duck Creek Gypsum Stack 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 Duck Creek Gypsum Stack Dam?

Duck Creek Gypsum Stack Dam is owned by DYNEGY MIDWEST GENERATION, INC. (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Duck Creek Gypsum Stack Dam?

Duck Creek Gypsum Stack Dam serves the following purposes: Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Duck Creek Gypsum Stack Dam?

Duck Creek Gypsum Stack Dam has a dam height of 45 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 Duck Creek Gypsum Stack Dam last inspected?

Duck Creek Gypsum Stack Dam was last inspected on November 10, 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.