South Hopewell Eleanor Area

SOUTH PRONG ALAFIA RIVER· Hillsborough, Florida· Built 1950· Earth· 20 ft tall
Low Hazard Tailings Private

Key Takeaway

South Hopewell Eleanor Area is classified as low hazard in Florida. It was completed in 1950 and is 76 years old. Its primary use is tailings.

Physical Details

Dam Height 20 ft (taller than 48.9% in FL)
Dam Length3,800 ft
Dam TypeEarth
Max Storage311 acre-ft
Normal Storage311 acre-ft
Surface Area572 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1950 (76 years old)
NID IDFL00177

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: No
State Regulated: Yes
Regulatory Agency: FDEP

Ownership

THE MOSAIC COMPANY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of South Hopewell Eleanor Area?

South Hopewell Eleanor Area 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 South Hopewell Eleanor Area?

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

When was South Hopewell Eleanor Area built?

South Hopewell Eleanor Area was completed in 1950, making it 76 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 South Hopewell Eleanor Area?

South Hopewell Eleanor 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 South Hopewell Eleanor Area?

South Hopewell Eleanor Area has a dam height of 20 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.