Mosaic Csa F2d

ALDERMAN CREEK· Hillsborough, Florida· Built 1996· Earth· 55 ft tall
Significant Hazard Tailings Private

Key Takeaway

Mosaic Csa F2d is classified as significant hazard in Florida. It was completed in 1996 and is 30 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 Length14,648 ft
Dam TypeEarth
Max Storage29.1K acre-ft
Normal Storage27.5K acre-ft
Surface Area550 acres
Drainage Area1 sq mi
Max Discharge640 cfs
Year Completed1996 (30 years old)
NID IDFL83460

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: October 1, 2010
State Regulated: Yes
Regulatory Agency: FDEP

Ownership

THE MOSAIC COMPANY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mosaic Csa F2d?

Mosaic Csa F2d 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 Csa F2d?

Mosaic Csa F2d is owned by THE MOSAIC COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mosaic Csa F2d built?

Mosaic Csa F2d was completed in 1996, making it 30 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 Csa F2d?

Mosaic Csa F2d 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 Csa F2d?

Mosaic Csa F2d 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 Csa F2d last inspected?

Mosaic Csa F2d was last inspected on October 1, 2010. 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.