Webb Chapel Dam
Webb Chapel Dam is an earth dam located in Obion County, Tennessee, built in 1989. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Webb Chapel Dam
Webb Chapel Dam is a dam in Obion, Tennessee. The dam is owned by Wtrba (state). It impounds the Trib-running Reelfoot Bay.
The dam stands 46 feet tall and stretches 500 feet across, creates a reservoir covering 41 acres, has a maximum storage capacity of 1,610 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1989, the structure is 37 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 10/21/2025.
At 46 feet, this dam is taller than 91% 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 | Obion |
| River/Stream | Trib-running Reelfoot Bay |
| Coordinates | 36.33556, -89.37222 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 46 ft |
| Dam Length | 500 ft |
| Year Completed | 1989 (37 years old) |
Storage & Hydraulics
| NID Storage | 1,610 acre-ft |
| Max Storage | 1,610 acre-ft |
| Normal Storage | 430 acre-ft |
| Surface Area | 41 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Wtrba |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/21/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TN13122 |
| Federal ID | TN13122 |
| More Info | State Dam Safety Program |