ST. PAUL DISTRICT

• Located on Mississippi River mile 847.9, in Minneapolis.
• Construction completed in 1917, reconstructed in 1929. Main Lock completed May 1932. Last major rehabilitation 1978-1983.
• Dam consists of Ambursen concrete overflow structure 574' long, hydro power station owned and operated by Brookfield Power Co.
• Lock is 56' wide by 400' long. River Lock 56' wide by 400' long.
• It is the only twin lock in the district.
• Brochure

The visitor center is open.

Daily: 10 a.m. - 7 p.m.