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U.S. Army Corps of Engineers
St. Paul District
Public Affairs Office
332 Minnesota St., Suite E1500
St. Paul, MN 55101

Phone: (651) 290-5807
Fax: (651) 290-5752 


Corps of Engineers celebrates 150 years of service, invites public to Lock and Dam 4 open house

Published April 13, 2016

ST. PAUL, Minn. – The U.S. Army Corps of Engineers, St. Paul District, is celebrating its 150th Anniversary this year by opening the doors at Lock and Dam 4 to the public. 

The open house is scheduled for Friday, April 29, from 10 a.m. to 2 p.m. The lock is located off of Highway 35 in Alma, Wisconsin.   

Corps staff will be available to talk about the history of the lock site, what a lock does and how it works. Due to security considerations, personal bags are not allowed on the lock site. 

The open house is free. For accessibility questions or more information, please contact the Lock and Dam 4 staff at (651) 290-5949.   

The nearly 600
U.S. Army Corps of Engineers, St. Paul District, employees working at more than 40 sites in five upper-Midwest states serve the American public in the areas of environmental enhancement, navigation, flood damage reduction, water and wetlands regulation, recreation sites and disaster response. Through the Corps’ Fiscal Year 2015 $100 million budget, nearly 1,600 non-Corps jobs were added to the regional economy as well as $155 million to the national economy. For more information, see



Public Affairs

Release no. 16-033