Mcnairy Cypress Creek #11 Dam
Mcnairy Cypress Creek #11 Dam is an earth dam located in McNairy County, Tennessee, built in 1984. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Mcnairy Cypress Creek #11 Dam
Mcnairy Cypress Creek #11 Dam is a dam in McNairy, Tennessee. The dam is owned by Mcnairy County (local government). It impounds the Sandy Creek.
The dam stands 29 feet tall and stretches 850 feet across, creates a reservoir covering 76 acres, has a maximum storage capacity of 1,505 acre-feet, and collects water from a drainage area of 2 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 06/25/2024.
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Location
| State | Tennessee |
| County | McNairy |
| River/Stream | Sandy Creek |
| Coordinates | 35.23194, -88.55333 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Length | 850 ft |
| Year Completed | 1984 (42 years old) |
Storage & Hydraulics
| NID Storage | 1,505 acre-ft |
| Max Storage | 1,505 acre-ft |
| Normal Storage | 489 acre-ft |
| Surface Area | 76 acres |
| Drainage Area | 2 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | McNairy County |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/25/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN10915 |
| Federal ID | TN10915 |
| More Info | State Dam Safety Program |