Mosaic Green Bay W Central Stack

PEACE RIVER· Polk, Florida· Built 1975· Earth· 55 ft tall
Significant Hazard Tailings Private

Key Takeaway

Mosaic Green Bay W Central Stack is classified as significant hazard in Florida. It was completed in 1975 and is 51 years old. Its primary use is tailings. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 55 ft (taller than 89.6% in FL)
Dam Length8,425 ft
Dam TypeEarth
Max Storage2.2K acre-ft
Normal Storage2.0K acre-ft
Surface Area55 acres
Drainage Area1 sq mi
Max Discharge160 cfs
Year Completed1975 (51 years old)
Year Modified2001
NID IDFL10113

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: Yes
Last Inspection: September 7, 2005
State Regulated: Yes
Regulatory Agency: FDEP

Ownership

THE MOSAIC COMPANY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mosaic Green Bay W Central Stack?

Mosaic Green Bay W Central Stack 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 Mosaic Green Bay W Central Stack?

Mosaic Green Bay W Central Stack is owned by THE MOSAIC COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mosaic Green Bay W Central Stack built?

Mosaic Green Bay W Central Stack was completed in 1975, making it 51 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 Mosaic Green Bay W Central Stack?

Mosaic Green Bay W Central Stack 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 Mosaic Green Bay W Central Stack?

Mosaic Green Bay W Central Stack has a dam height of 55 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 Mosaic Green Bay W Central Stack last inspected?

Mosaic Green Bay W Central Stack was last inspected on September 7, 2005. 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.