Manning Dam

EIGHT MILE CREEK· Walton, Florida· Built 1930· Earth· 10 ft tall
Low Hazard Recreation Irrigation Private

Key Takeaway

Manning Dam is classified as low hazard in Florida. It was completed in 1930 and is 96 years old. Its primary use is recreation.

Physical Details

Dam Height 10 ft (taller than 13.4% in FL)
Dam Length750 ft
Dam TypeEarth
Max Storage116 acre-ft
Normal Storage92 acre-ft
Surface Area32 acres
Drainage Area0 sq mi
Max Discharge1,059 cfs
Year Completed1930 (96 years old)
NID IDFL00016

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
Last Inspection: May 22, 1994
State Regulated: Yes
Regulatory Agency: NWFWMD

Ownership

DERLIE BROWN REVOCABLE TRUST

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Manning Dam?

Manning Dam 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 Manning Dam?

Manning Dam is owned by DERLIE BROWN REVOCABLE TRUST (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Manning Dam built?

Manning Dam was completed in 1930, making it 96 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 Manning Dam?

Manning Dam serves the following purposes: Recreation, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Manning Dam?

Manning Dam has a dam height of 10 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 Manning Dam last inspected?

Manning Dam was last inspected on May 22, 1994. 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.