Henry H. Buckman Lock

ST. JOHNS RIVER-OFFSTREAM· Putnam, Florida· Built 1971· Earth· 54 ft tall
Low Hazard Navigation Recreation State Government

Key Takeaway

Henry H. Buckman Lock is classified as low hazard in Florida. It was completed in 1971 and is 55 years old. Its primary use is navigation.

Physical Details

Dam Height 54 ft (taller than 89.2% in FL)
Dam Length570 ft
Dam TypeEarth
Max Storage130.0K acre-ft
Normal Storage60.0K acre-ft
Surface Area125 acres
Drainage Area1,868 sq mi
Max Discharge0 cfs
Year Completed1971 (55 years old)
NID IDFL00159

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: SJRWMD

Ownership

STATE OF FLORIDA

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Henry H. Buckman Lock?

Henry H. Buckman Lock 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 Henry H. Buckman Lock?

Henry H. Buckman Lock is owned by STATE OF FLORIDA (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Henry H. Buckman Lock built?

Henry H. Buckman Lock was completed in 1971, making it 55 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 Henry H. Buckman Lock?

Henry H. Buckman Lock serves the following purposes: Navigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Henry H. Buckman Lock?

Henry H. Buckman Lock has a dam height of 54 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.