St. Paul District > Missions > Navigation > Locks & Dams > Lock & Dam 6

An official website of the United States government

Here's how you know

Official websites use .mil

A .mil website belongs to an official U.S. Department of Defense organization in the United States.

Secure .mil websites use HTTPS

A lock () or https:// means you’ve safely connected to the .mil website. Share sensitive information only on official, secure websites.

US Army Corps of Engineers

St. Paul District Website

/ / / /

Navigation Links

Lock & Dams and Projects

Lakes & Recreation Areas

- Blackhawk Park

- Eau Galle Recreation Area

- Lac qui Parle

- Lake Ashtabula - Baldhill Dam

- Lake Traverse

- Lake Winnibigoshish

- Pokegama Lake

Locks & Dams

- Upper St. Anthony Falls
- Lower St. Anthony Falls
- Lock & Dam 1
- Lock & Dam 2
- Lock & Dam 3
- Lock & Dam 4
- Lock & Dam 5
- Lock & Dam 5A
- Lock & Dam 6
- Lock & Dam 7
- Lock & Dam 8
- Lock & Dam 9
- Lock & Dam 10

Lock & Dam 6

Located on Mississippi River mile 714.1 at Trempealeau, Wisconsin.
Constructed and placed in operation in June 1936. Last major rehabilitation from 1989-1999
Dam consists of 893 feet long concrete structure with five roller gates and 10 Tainter gates. Earth embankment 2,600 feet long. Concrete overflow spillway 1,000 feet long.
Lock is 110 feet wide by 600 feet long.
Brochure

Recreation Opportunities

The observation deck is currently OPEN.

Lock and Dam 6

Lock and dam 6, Trempealeau, Wis.

Contact Lock & Dam 6

US Army Corps of Engineers
St. Paul District
Lock & Dam 6
W24005 Road
Trempealeau, WI 54661-0406

608-534-6424