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Aerial Image of Lock and Dam 7, Allegheny River

 Lock and Dam 7
Kittaning, PA 16201-0874
724-543-2551
 
 

 

   


Location
Lock and Dam 7 is located in Armstrong county across the river from Kittanning, PA

History
Lock and Dam 7 was built from 1928-31, with the lock opening in 1930.

Project Information
Lock and Dam 7, like all navigation facilities on the Allegheny River, consists of a single lock chamber and a fixed crest dam. This type of dam is basically a concrete weir or wall across the river which keeps the river channel upriver of the project deep enough for navigation -- about 9 feet or more. Water which flows over this type of dam cannot be controlled locally. Consequently, it cannot provide any control over flood waters. An incidental benefit derived from the pool formed by the dam is the availability of a source of municipal and industrial water.



General Information:  Pittsburgh District Public Affairs Office
Technical Point of Contact:  lrp.webmaster@usace.army.mil
  Page Updated: May 04, 2006
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