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in the Ouachita Valley
P. O. Box 913
Camden, Arkansas 71701
870-837-5500  E-Mail Us
"A River Basin of Opportunity, 
A Century Plus of Commitment"

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Facts About The 
Ouachita-Black Navigation Project

The US Waterway System - Transportation Facts

  • The Ouachita & Black Rivers Navigation Project provide a minimum 9-foot deep by 100-fooot wide navigable channel along 337 miles of the Ouachita and Black rivers from the Red River to Camden, Arkansas.

  • Congress authorized the original Ouachita & Black Rivers navigation project in 1902. Construction of six locks and dams began in 1905, and the waterway was fully operational in 1926.

  • The River and Harbor Act of 1950 authorized an increase in minimum navigation depth from 6.5 feet to 9 feet.

  • In 1954, Congress designated Arkadelphia, Arkansas, as the head of navigation on the Ouachita River.

  • The River and Harbor Act of 1964 authorized the construction of four locks and dams to replace the antiquated 6 locks and dams and also provide for a minimum 9-foot navigation depth.

  • The present locks were designed with a navigation pass located beside each dam.  This feature allows vessels to pass when the locks become inundated by floodwaters.

  • The Flood Control Acts of 1944 and 1962 authorized the Corps to develop recreation facilities on the waterway.