Control Structure 4

LITTLE ECON RIVER· Orange, Florida· Built 1966· Earth· 17 ft tall
High Hazard Flood Risk Reduction Local Government

Key Takeaway

Control Structure 4 is classified as high hazard in Florida. It was completed in 1966 and is 60 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 17 ft (taller than 40.8% in FL)
Dam Length120 ft
Dam TypeEarth
Max Storage282 acre-ft
Normal Storage180 acre-ft
Surface Area80 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1966 (60 years old)
NID IDFL00161

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: Yes
State Regulated: Yes
Regulatory Agency: SJRWMD

Ownership

ORANGE COUNTY STORMWATER MANAGEMENT DIVISION

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Control Structure 4?

Control Structure 4 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 Control Structure 4?

Control Structure 4 is owned by ORANGE COUNTY STORMWATER MANAGEMENT DIVISION (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Control Structure 4 built?

Control Structure 4 was completed in 1966, making it 60 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 Control Structure 4?

Control Structure 4 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 Control Structure 4?

Control Structure 4 has a dam height of 17 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.