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Lock & Dam 5A

  • Located on Mississippi River mile 728.5 near Fountain City, Wis.
  • Constructed 1932, placed in operation in 1936. Last major rehabilitation 1989 through 2000.
  • Dam consists of a concrete structure 682 feet long with five roller gates and five tainter gates. Earth embankment 22,000 feet long.
  • Concrete overflow spillway 1,000 feet long.
  • Lock is 110 feet wide by 600 feet long.
  • Brochure

Recreation Opportunities

Site has no public facilities.
Lock and Dam 5A
Lock and Dam 5A, Fountain City, Wis.

Contact Information

U.S. Army Corps of Engineers
St. Paul District
Lock and Dam No. 5A

W679 State Hwy 35
Fountain City, WI 54629-7214

(507) 452-2789