Wc 3(A) Mix Area

MYAKKA RIVER· Manatee, Florida· Built 1992· Earth· 12 ft tall
Significant Hazard Tailings Private

Key Takeaway

Wc 3(A) Mix Area is classified as significant hazard in Florida. It was completed in 1992 and is 34 years old. Its primary use is tailings. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 12 ft (taller than 20.6% in FL)
Dam Length12,885 ft
Dam TypeEarth
Max Storage1.5K acre-ft
Normal Storage1.2K acre-ft
Surface Area175 acres
Drainage Area0 sq mi
Max Discharge10 cfs
Year Completed1992 (34 years old)
NID IDFL11053

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 Wc 3(A) Mix Area?

Wc 3(A) Mix Area 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 Wc 3(A) Mix Area?

Wc 3(A) Mix Area is owned by THE MOSAIC COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Wc 3(A) Mix Area built?

Wc 3(A) Mix Area 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 Wc 3(A) Mix Area?

Wc 3(A) Mix Area 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 Wc 3(A) Mix Area?

Wc 3(A) Mix Area 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 Wc 3(A) Mix Area last inspected?

Wc 3(A) Mix Area 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.