Lake Dockery Dam
Lake Dockery Dam is an earth dam located in Hinds County, Mississippi, built in 1952. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Lake Dockery Dam
The primary purpose of Lake Dockery Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City Of Byram (local government). It impounds the Unt Of Trahon Creek near Byram.
The dam stands 21 feet tall and stretches 1,000 feet across, creates a reservoir covering 51 acres, has a maximum storage capacity of 633 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1952, the structure is well into its service life at over 50 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 03/21/2023.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Mississippi dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Mississippi |
| County | Hinds |
| Nearest City | Byram |
| River/Stream | Unt Of Trahon Creek |
| Coordinates | 32.19729, -90.26464 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 1,000 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 633 acre-ft |
| Max Storage | 633 acre-ft |
| Normal Storage | 308 acre-ft |
| Surface Area | 51 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | CITY OF BYRAM |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 03/21/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MS01790 |
| Federal ID | MS01790 |
| More Info | State Dam Safety Program |