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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Low HazardNot Available ConditionEmergency Action Plan: Not Required

Location

StateTennessee
CountyHamilton
Nearest CityChattanooga
River/StreamTennessee River - Offstream
Coordinates35.22100, -85.09400

Physical Characteristics

Dam TypeEarth
NID Height25 ft
Dam Height25 ft
Dam Length2,594 ft
Year Completed1981 (45 years old)

Storage & Hydraulics

NID Storage150 acre-ft
Max Storage150 acre-ft
Normal Storage112 acre-ft
Surface Area8 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerTVA
Owner TypeFederal
Hazard ClassificationLow
Condition AssessmentNot Available
Last Inspection09/18/2023
Emergency Action PlanNot Required

Identifiers

NID IDTN06515
Federal IDTN06515
More InfoState Dam Safety Program

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