 | This article includes a list of general references, but it lacks sufficient corresponding inline citations .(December 2018) |
| Lock and Dam No. 5A | |
|---|---|
 Lock and Dam 5A, Upper Mississippi River. | |
  Location of Lock and Dam No. 5A in Wisconsin | |
| Location | Buffalo County, Wisconsin / Winona County, Minnesota, United States. Near Fountain City, Wisconsin. |
| Coordinates | 44°05′06″N91°40′25″W / 44.085119°N 91.673698°W |
| Construction began | 1932 |
| Opening date | June 1936 |
| Operator(s) |  U.S. Army Corps of Engineers, St. Paul District |
| Dam and spillways | |
| Impounds | Upper Mississippi River |
| Length | 682 feet (207.9 m)(movable portion) |
| Reservoir | |
| Creates | Pool 5A |
| Total capacity | 39,600 acre⋅ft (0.0488 km3) |
| Catchment area | 59,105 sq mi (153,080 km2) |
Lock and Dam No. 5A is a lock and dam located near Fountain City, Wisconsin and Goodview, Minnesota on the Upper Mississippi River around river mile 728.5.
