Sequoyah - Yard Drainage Pond
Sequoyah - Yard Drainage Pond is an earth dam located in Hamilton County, Tennessee, built in 1981. It carries a Low hazard potential classification.
About Sequoyah - Yard Drainage Pond
The primary purpose of Sequoyah - Yard Drainage Pond is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Tva (federal). It impounds the Tennessee River - Offstream near Chattanooga.
The dam stands 25 feet tall and stretches 2,594 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 150 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1981, the structure is 45 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. The most recent inspection on record was 09/18/2023.
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Location
| State | Tennessee |
| County | Hamilton |
| Nearest City | Chattanooga |
| River/Stream | Tennessee River - Offstream |
| Coordinates | 35.22100, -85.09400 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 2,594 ft |
| Year Completed | 1981 (45 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Normal Storage | 112 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | TVA |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 09/18/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN06515 |
| Federal ID | TN06515 |
| More Info | State Dam Safety Program |