Green River Lock and Dam 3

GREEN RIVER· Ohio, Kentucky· Built 1836· Other·
Low Hazard Navigation Federal Government

Key Takeaway

Green River Lock and Dam 3 is classified as low hazard in Kentucky. It was completed in 1836 and is 190 years old. Its primary use is navigation.

Physical Details

Dam Length410 ft
Dam TypeOther
Max Storage40.1K acre-ft
Normal Storage13.3K acre-ft
Surface Area2,209 acres
Drainage Area6,142 sq mi
Max Discharge9,000 cfs
Year Completed1836 (190 years old)
NID IDKY03004

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
State Regulated: No

Ownership

USACE - Louisville District

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Green River Lock and Dam 3?

Green River Lock and Dam 3 is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Green River Lock and Dam 3?

Green River Lock and Dam 3 is owned by USACE - Louisville District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Green River Lock and Dam 3 built?

Green River Lock and Dam 3 was completed in 1836, making it 190 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Green River Lock and Dam 3?

Green River Lock and Dam 3 serves the following purposes: Navigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.