Green River Lock And Dam 1

Green River Lock And Dam 1 is a concrete dam located in Henderson County, Kentucky, built in 1970. It carries a Low hazard potential classification.

About Green River Lock And Dam 1

The primary purpose of Green River Lock And Dam 1 is navigation. The dam maintains water levels sufficient for boat and barge traffic, supporting commercial or recreational navigation on the waterway. The dam is owned by Usace - Louisville District (federal). It impounds the Green River near Spottsville.

The dam stands 23 feet tall and stretches 908 feet across, creates a reservoir covering 3,764 acres, has a maximum storage capacity of 62,400 acre-feet, and collects water from a drainage area of 9,183 square miles. Completed in 1970, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 08/18/2023.

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Low HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateKentucky
CountyHenderson
Nearest CitySpottsville
River/StreamGreen River
Coordinates37.85884, -87.40986

Physical Characteristics

Dam TypeConcrete
NID Height23 ft
Dam Length908 ft
Year Completed1970 (56 years old)

Storage & Hydraulics

NID Storage62,400 acre-ft
Max Storage62,400 acre-ft
Normal Storage41,404 acre-ft
Surface Area3,764 acres
Drainage Area9,183 sq mi
Max Discharge14,000 cfs
Spillway TypeNone

Ownership & Safety

PurposeNavigation
OwnerUSACE - Louisville District
Owner TypeFederal
Hazard ClassificationLow
Condition AssessmentNot Available
Last Inspection08/18/2023
Emergency Action PlanYes

Identifiers

NID IDKY03002
Federal IDKY03002
More InfoState Dam Safety Program

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