Sfm1 Mosaic

PEACE RIVER· Polk, Florida· Built 1985· Earth· 55 ft tall
Significant Hazard Tailings Private

Key Takeaway

Sfm1 Mosaic is classified as significant hazard in Florida. It was completed in 1985 and is 41 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 Length21,950 ft
Dam TypeEarth
Max Storage37.0K acre-ft
Normal Storage36.0K acre-ft
Surface Area654 acres
Drainage Area1 sq mi
Max Discharge80 cfs
Year Completed1985 (41 years old)
NID IDFL11047

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: January 23, 2006
State Regulated: Yes
Regulatory Agency: FDEP

Ownership

THE MOSAIC COMPANY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Sfm1 Mosaic?

Sfm1 Mosaic 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 Sfm1 Mosaic?

Sfm1 Mosaic is owned by THE MOSAIC COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Sfm1 Mosaic built?

Sfm1 Mosaic was completed in 1985, making it 41 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 Sfm1 Mosaic?

Sfm1 Mosaic 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 Sfm1 Mosaic?

Sfm1 Mosaic 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 Sfm1 Mosaic last inspected?

Sfm1 Mosaic was last inspected on January 23, 2006. 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.