Site B Dredge Disposal Pond Dam

TRIB KASKASKIA RIVER· Randolph, Illinois· Built 1992· Earth· 12 ft tall
Low Hazard Debris Control Private

Key Takeaway

Site B Dredge Disposal Pond Dam is classified as low hazard in Illinois. It was completed in 1992 and is 34 years old. Its primary use is debris control.

Physical Details

Dam Height 12 ft (taller than 10% in IL)
Dam Length5,000 ft
Dam TypeEarth
Max Storage860 acre-ft
Normal Storage640 acre-ft
Drainage Area0 sq mi
Max Discharge45 cfs
Year Completed1992 (34 years old)
NID IDIL50176

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: April 19, 2021
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

KASKASKIA REGIONAL PORT DISTRICT

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Site B Dredge Disposal Pond Dam?

Site B Dredge Disposal Pond 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 Site B Dredge Disposal Pond Dam?

Site B Dredge Disposal Pond Dam is owned by KASKASKIA REGIONAL PORT DISTRICT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Site B Dredge Disposal Pond Dam built?

Site B Dredge Disposal Pond Dam was completed in 1992, making it 34 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 Site B Dredge Disposal Pond Dam?

Site B Dredge Disposal Pond Dam serves the following purposes: Debris Control. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Site B Dredge Disposal Pond Dam?

Site B Dredge Disposal Pond Dam has a dam height of 12 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 Site B Dredge Disposal Pond Dam last inspected?

Site B Dredge Disposal Pond Dam was last inspected on April 19, 2021. 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.