Bonnie Lake Mine Nw

ALAFIA RIVER· Polk, Florida· Built 1995· Earth· 15 ft tall
Low Hazard Tailings Private

Key Takeaway

Bonnie Lake Mine Nw is classified as low hazard in Florida. It was completed in 1995 and is 31 years old. Its primary use is tailings.

Physical Details

Dam Height 15 ft (taller than 31.3% in FL)
Dam Length4,641 ft
Dam TypeEarth
Max Storage600 acre-ft
Normal Storage530 acre-ft
Surface Area53 acres
Drainage Area0 sq mi
Max Discharge8 cfs
Year Completed1995 (31 years old)
NID IDFL13337

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: January 20, 2006
State Regulated: Yes
Regulatory Agency: FDEP

Ownership

THE MOSAIC COMPANY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Bonnie Lake Mine Nw?

Bonnie Lake Mine Nw is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Bonnie Lake Mine Nw?

Bonnie Lake Mine Nw is owned by THE MOSAIC COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Bonnie Lake Mine Nw built?

Bonnie Lake Mine Nw was completed in 1995, making it 31 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 Bonnie Lake Mine Nw?

Bonnie Lake Mine Nw 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 Bonnie Lake Mine Nw?

Bonnie Lake Mine Nw has a dam height of 15 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 Bonnie Lake Mine Nw last inspected?

Bonnie Lake Mine Nw was last inspected on January 20, 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.