Holly Lake Dam

HOLLY LAKE· Walton, Florida· Earth· 14 ft tall
High Hazard Private

Key Takeaway

Holly Lake Dam is classified as high hazard in Florida. 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 14 ft (taller than 28.3% in FL)
Dam Length409 ft
Dam TypeEarth
Normal Storage312 acre-ft
Surface Area43 acres
NID IDFL40001

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: May 3, 2023
State Regulated: Yes
Regulatory Agency: NWFWMD

Ownership

Holley Lake Property Owner AS

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Holly Lake Dam?

Holly Lake Dam 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 Holly Lake Dam?

Holly Lake Dam is owned by Holley Lake Property Owner AS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

How tall is Holly Lake Dam?

Holly Lake Dam has a dam height of 14 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 Holly Lake Dam last inspected?

Holly Lake Dam was last inspected on May 3, 2023. 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.