Gibson South - Dredge Spoil Disposal

Tr- Middle Raccoon River· Guthrie, Iowa· Built 1999· Earth· 95 ft tall
Significant Hazard Other Private

Key Takeaway

Gibson South - Dredge Spoil Disposal is classified as significant hazard in Iowa. It was completed in 1999 and is 27 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 95 ft (taller than 99.9% in IA)
Dam Length1,170 ft
Dam TypeEarth
Max Storage848 acre-ft
Normal Storage612 acre-ft
Surface Area21 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1999 (27 years old)
NID IDIA03543

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

Emergency Action Plan: No
Last Inspection: May 17, 2018
State Regulated: Yes
Regulatory Agency: IOWA DNR

Ownership

Lake Panorama Recreation Association

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Gibson South - Dredge Spoil Disposal?

Gibson South - Dredge Spoil Disposal is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Gibson South - Dredge Spoil Disposal?

Gibson South - Dredge Spoil Disposal is owned by Lake Panorama Recreation Association (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Gibson South - Dredge Spoil Disposal built?

Gibson South - Dredge Spoil Disposal was completed in 1999, making it 27 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 Gibson South - Dredge Spoil Disposal?

Gibson South - Dredge Spoil Disposal 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 Gibson South - Dredge Spoil Disposal?

Gibson South - Dredge Spoil Disposal has a dam height of 95 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 Gibson South - Dredge Spoil Disposal last inspected?

Gibson South - Dredge Spoil Disposal was last inspected on May 17, 2018. 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.