G79 Control Structure

C-24 CANAL· St. Lucie, Florida· Built 1958· Earth· 20 ft tall
High Hazard Flood Risk Reduction State Government

Key Takeaway

G79 Control Structure is classified as high hazard in Florida. It was completed in 1958 and is 68 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 20 ft (taller than 48.9% in FL)
Dam Length100 ft
Dam TypeEarth
Max Storage400 acre-ft
Normal Storage300 acre-ft
Surface Area30 acres
Drainage Area50 sq mi
Max Discharge50 cfs
Year Completed1958 (68 years old)
NID IDFL28003

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: No
Last Inspection: September 12, 2014
State Regulated: Yes
Regulatory Agency: FDEP

Ownership

SFWMD

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of G79 Control Structure?

G79 Control Structure is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates G79 Control Structure?

G79 Control Structure is owned by SFWMD (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was G79 Control Structure built?

G79 Control Structure was completed in 1958, making it 68 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 G79 Control Structure?

G79 Control Structure serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is G79 Control Structure?

G79 Control Structure 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.

When was G79 Control Structure last inspected?

G79 Control Structure was last inspected on September 12, 2014. 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.