Hubbard Murphee Y-17a-74
Hubbard Murphee Y-17a-74 is an earth dam located in Tallahatchie County, Mississippi, built in 1963. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Hubbard Murphee Y-17a-74
The primary purpose of Hubbard Murphee Y-17a-74 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by William Lowery (local government). It impounds the Rowland Branch near N/a.
The dam stands 35 feet tall and stretches 590 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 561 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1963, 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 03/01/2022.
At 35 feet, this dam is taller than 82% of dams nationwide.
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 | Tallahatchie |
| Nearest City | N/a |
| River/Stream | Rowland Branch |
| Coordinates | 33.97701, -90.05381 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 590 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 561 acre-ft |
| Max Storage | 561 acre-ft |
| Normal Storage | 51 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | WILLIAM LOWERY |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 03/01/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MS01037 |
| Federal ID | MS01037 |
| More Info | State Dam Safety Program |