Mary's Creek #7 Dam
Mary's Creek #7 Dam is an earth dam located in Shelby County, Tennessee, built in 1959. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Mary's Creek #7 Dam
Mary's Creek #7 Dam is a dam in Shelby, Tennessee. The dam is owned by Shelby County Soil Conservation District (local government). It impounds the Trib-mary's Creek near Crossroads.
The dam stands 25 feet tall and stretches 1,220 feet across, creates a reservoir covering 20 acres, has a maximum storage capacity of 540 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1959, the structure is well into its service life at over 50 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. 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 01/22/2024.
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Location
| State | Tennessee |
| County | Shelby |
| Nearest City | Crossroads |
| River/Stream | Trib-mary's Creek |
| Coordinates | 35.14629, -89.66951 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Length | 1,220 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 540 acre-ft |
| Max Storage | 540 acre-ft |
| Normal Storage | 83 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Shelby County Soil Conservation District |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 01/22/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TN15775 |
| Federal ID | TN15775 |
| More Info | State Dam Safety Program |