John Rankin Lock and Dam - Right Canal Embankment is a gravity dam located in Itawamba County, Mississippi, built in 1984. It carries a Significant hazard potential classification.
Dam profile
NID height · 48 ft48 ft tall and 1,600 ft long, taller than 92% 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 concrete gravity section and the water level is illustrative.
About John Rankin Lock and Dam - Right Canal Embankment
The primary purpose of John Rankin Lock and Dam - Right Canal Embankment 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 USACE - Mobile District (federal). It impounds the Tombigbee near Fulton.
The dam stands 48 feet tall and stretches 1,600 feet across, creates a reservoir covering 1,992 acres, has a maximum storage capacity of 27,000 acre-feet, and collects water from a drainage area of 379 square miles. Completed in 1984, the structure is 42 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. An emergency action plan is in place for this dam. The most recent inspection on record was 06/07/2021.
At 48 feet, this dam is taller than 92% of dams nationwide.
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Location
| State | Mississippi |
| County | Itawamba |
| Nearest City | Fulton |
| River/Stream | Tombigbee |
| Coordinates | 34.36783, -88.40990 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 48 ft |
| Dam Length | 1,600 ft |
| Year Completed | 1984 (42 years old) |
Storage & Hydraulics
| NID Storage | 27,000 acre-ft |
| Max Storage | 27,000 acre-ft |
| Normal Storage | 24,900 acre-ft |
| Surface Area | 1,992 acres |
| Drainage Area | 379 sq mi |
| Max Discharge | 116,400 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Navigation |
| Owner | USACE - Mobile District |
| Owner Type | Federal |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 06/07/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MS82201 |
| Federal ID | MS82201S001 |
| More Info | State Dam Safety Program |