Madison Lake Dam
Madison Lake Dam is an earth dam located in McNairy County, Tennessee, built in 1972. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Madison Lake Dam
Madison Lake Dam is a dam in McNairy, Tennessee. The dam is owned by Mcnairy Associates (private). It impounds the Lee Creek near Powells Chapel.
The dam stands 42 feet tall and stretches 845 feet across, creates a reservoir covering 34 acres, has a maximum storage capacity of 670 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1972, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected 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 04/16/2024.
At 42 feet, this dam is taller than 89% of dams nationwide.
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Location
| State | Tennessee |
| County | McNairy |
| Nearest City | Powells Chapel |
| River/Stream | Lee Creek |
| Coordinates | 35.13167, -88.77639 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Length | 845 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 670 acre-ft |
| Max Storage | 670 acre-ft |
| Normal Storage | 499 acre-ft |
| Surface Area | 34 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | McNairy Associates |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/16/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN10903 |
| Federal ID | TN10903 |
| More Info | State Dam Safety Program |