Lewis Creek Dam
Lewis Creek Dam is an earth dam located in Dyer County, Tennessee, built in 1981. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Lewis Creek Dam
Lewis Creek Dam is a dam in Dyer, Tennessee. The dam is owned by Wtrba (state). It impounds the Lewis Creek near Nauvoo.
The dam stands 35 feet tall and stretches 850 feet across, creates a reservoir covering 40 acres, has a maximum storage capacity of 770 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1981, the structure is 45 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 03/11/2025.
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 Tennessee 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 | Tennessee |
| County | Dyer |
| Nearest City | Nauvoo |
| River/Stream | Lewis Creek |
| Coordinates | 36.10083, -89.44000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Length | 850 ft |
| Year Completed | 1981 (45 years old) |
Storage & Hydraulics
| NID Storage | 770 acre-ft |
| Max Storage | 770 acre-ft |
| Normal Storage | 460 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Wtrba |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 03/11/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TN04511 |
| Federal ID | TN04511 |
| More Info | State Dam Safety Program |