Henry H. Buckman Lock is an earth dam located in Putnam County, Florida, built in 1971. It carries a Low hazard potential classification.
Dam profile
NID height · 54 ft54 ft tall and 570 ft long, taller than 94% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Henry H. Buckman Lock
The primary purpose of Henry H. Buckman Lock is navigation. The dam maintains water levels sufficient for boat and barge traffic, supporting commercial or recreational navigation on the waterway. The dam is owned by State of Florida (state). It impounds the St. Johns River-offstream near Palatka.
The dam stands 54 feet tall and stretches 570 feet across, creates a reservoir covering 125 acres, has a maximum storage capacity of 130,000 acre-feet, and collects water from a drainage area of 1,868 square miles. Completed in 1971, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
At 54 feet, this dam is taller than 94% of dams nationwide.
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Location
| State | Florida |
| County | Putnam |
| Nearest City | Palatka |
| River/Stream | St. Johns River-offstream |
| Coordinates | 29.64000, -81.62000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 54 ft |
| Dam Height | 54 ft |
| Dam Length | 570 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 130,000 acre-ft |
| Max Storage | 130,000 acre-ft |
| Normal Storage | 60,000 acre-ft |
| Surface Area | 125 acres |
| Drainage Area | 1,868 sq mi |
Ownership & Safety
| Purpose | Navigation |
| Owner | State of Florida |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | FL00159 |
| Federal ID | FL00159 |
| More Info | State Dam Safety Program |