Hopewell Csa-Hl1

ALAFIA RIVER· Hillsborough, Florida· Built 1982· Earth· 35 ft tall
Significant Hazard Tailings Private

Key Takeaway

Hopewell Csa-Hl1 is classified as significant hazard in Florida. It was completed in 1982 and is 44 years old. Its primary use is tailings. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 35 ft (taller than 75.5% in FL)
Dam Length16,275 ft
Dam TypeEarth
Max Storage12.5K acre-ft
Normal Storage11.6K acre-ft
Surface Area388 acres
Drainage Area1 sq mi
Max Discharge160 cfs
Year Completed1982 (44 years old)
Year Modified1984
NID IDFL11010

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-Hl1?

Hopewell Csa-Hl1 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-Hl1?

Hopewell Csa-Hl1 is owned by THE MOSAIC COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Hopewell Csa-Hl1 built?

Hopewell Csa-Hl1 was completed in 1982, making it 44 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-Hl1?

Hopewell Csa-Hl1 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-Hl1?

Hopewell Csa-Hl1 has a dam height of 35 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-Hl1 last inspected?

Hopewell Csa-Hl1 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.