Lost Creek Dam

Lost Creek Dam is an earth dam located in Henderson County, Tennessee, built in 1963. It carries a Significant hazard potential classification.

About Lost Creek Dam

The primary purpose of Lost Creek Dam 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 Lost Creek near Chesterfield.

The dam stands 18 feet tall and stretches 1,040 feet across, creates a reservoir covering 154 acres, has a maximum storage capacity of 2,040 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1963, the structure is well into its service life at over 50 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. An emergency action plan is in place for this dam. The most recent inspection on record was 03/05/2025.

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Significant HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateTennessee
CountyHenderson
Nearest CityChesterfield
River/StreamLost Creek
Coordinates35.57947, -88.34341

Physical Characteristics

Dam TypeEarth
NID Height18 ft
Dam Height18 ft
Dam Length1,040 ft
Year Completed1963 (63 years old)

Storage & Hydraulics

NID Storage2,040 acre-ft
Max Storage2,040 acre-ft
Normal Storage860 acre-ft
Surface Area154 acres
Drainage Area4 sq mi
Max Discharge9,137 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerTVA
Owner TypeFederal
Hazard ClassificationSignificant
Condition AssessmentNot Available
Last Inspection03/05/2025
Emergency Action PlanYes

Identifiers

NID IDTN07703
Federal IDTN07703
More InfoState Dam Safety Program

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