Kingford A-3

GUY BRANCH· Polk, Florida· Built 1961· Earth· 27 ft tall
Significant Hazard Tailings Private

Key Takeaway

Kingford A-3 is classified as significant hazard in Florida. It was completed in 1961 and is 65 years old. Its primary use is tailings. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 27 ft (taller than 68.6% in FL)
Dam Length11,200 ft
Dam TypeEarth
Max Storage4.2K acre-ft
Normal Storage3.0K acre-ft
Surface Area156 acres
Drainage Area0 sq mi
Max Discharge130 cfs
Year Completed1961 (65 years old)
NID IDFL00661

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
State Regulated: Yes
Regulatory Agency: FDEP

Ownership

THE MOSAIC COMPANY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Kingford A-3?

Kingford A-3 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 Kingford A-3?

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

When was Kingford A-3 built?

Kingford A-3 was completed in 1961, making it 65 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 Kingford A-3?

Kingford A-3 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 Kingford A-3?

Kingford A-3 has a dam height of 27 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.

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.