Save the Date - Lock and Dam Open Houses
We're celebrating 250 years of the United States of America.
Please recreate responsibly and don't litter at our parks. Make sure you always pick up your trash.
USACE offers fee-free days throughout the year to mark days of celebration and commemoration.
The U.S. Army Corps of Engineers celebrated 250 years in 2025.

Latest News

Corps of Engineers temporarily closes West Newton Chute boat landing
ST. PAUL, Minn. – The U.S. Army Corps of Engineers, St. Paul District, will close the West Newton Chute boat landing on the Mississippi River near Kellogg, Minnesota, around July 6.
Published: 6/30/2026
Corps of Engineers opens Lock and Dam 4 for an open house
The U.S. Army Corps of Engineers, St. Paul District, is hosting an open house at its Mississippi River Lock and Dam 4 in Alma, Wisconsin, on July 25.
Published: 6/30/2026
Corps of Engineers opens Lock and Dam 2 for an open house
The U.S. Army Corps of Engineers, St. Paul District, is hosting an open house at the Mississippi River Lock and Dam 2 in Hastings, Minnesota, July 18.
Published: 6/30/2026