Mallard Lake Dam is an earth dam located in Shelby County, Tennessee, built in 1966. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 21 ft21 ft tall and 400 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Mallard Lake Dam
The primary purpose of Mallard Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mallard Lake P.o.a. (private). It impounds the Trib-horn Lake Creek.
The dam stands 21 feet tall and stretches 400 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 132 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1966, 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 07/09/2024.
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Location
| State | Tennessee |
| County | Shelby |
| River/Stream | Trib-horn Lake Creek |
| Coordinates | 35.00972, -90.13111 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Length | 400 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 132 acre-ft |
| Max Storage | 132 acre-ft |
| Normal Storage | 116 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Mallard Lake P.o.a. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/09/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN15768 |
| Federal ID | TN15768 |
| More Info | State Dam Safety Program |