Hopewell Csa-Hl-4

ALAFIA RIVER· Hillsborough, Florida· Built 2004· Earth· 37 ft tall
Significant Hazard Tailings Private

Key Takeaway

Hopewell Csa-Hl-4 is classified as significant hazard in Florida. It was completed in 2004 and is 22 years old. Its primary use is tailings. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 37 ft (taller than 78.8% in FL)
Dam Length16,000 ft
Dam TypeEarth
Max Storage12.5K acre-ft
Normal Storage11.5K acre-ft
Surface Area360 acres
Drainage Area0 sq mi
Max Discharge160 cfs
Year Completed2004 (22 years old)
NID IDFL11012

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: July 20, 2005
State Regulated: Yes
Regulatory Agency: FDEP

Ownership

THE MOSAIC COMPANY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hopewell Csa-Hl-4?

Hopewell Csa-Hl-4 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 Hopewell Csa-Hl-4?

Hopewell Csa-Hl-4 is owned by THE MOSAIC COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Hopewell Csa-Hl-4 built?

Hopewell Csa-Hl-4 was completed in 2004, making it 22 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 Hopewell Csa-Hl-4?

Hopewell Csa-Hl-4 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 Hopewell Csa-Hl-4?

Hopewell Csa-Hl-4 has a dam height of 37 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 Hopewell Csa-Hl-4 last inspected?

Hopewell Csa-Hl-4 was last inspected on July 20, 2005. 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.