| Lock and Dam No. 17 | |||||||||||||||||
| Dam Crosses: | Upper Mississippi River | ||||||||||||||||
| Res Name: | Pool 17 | ||||||||||||||||
| Location: | Jefferson Township & Port Louisa Township, Louisa County, Iowa / New Boston Township, Mercer County, Illinois, near New Boston, Illinois, USA | ||||||||||||||||
| Operator: | U.S. Army Corps of Engineers, Rock Island District | ||||||||||||||||
| Dam Length: | 1121feet | ||||||||||||||||
| Construction Began: | 1935 | ||||||||||||||||
| Opening: | May 14, 1939 | ||||||||||||||||
| Res Capacity Total: | 50000acre feet | ||||||||||||||||
| Res Catchment: | 99600mi2 | ||||||||||||||||
| Coordinates: | 41.1908°N -91.0603°W | ||||||||||||||||
| Location Map: | Illinois#USA | ||||||||||||||||
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Lock and Dam No. 17 is a lock and dam located near New Boston, Illinois on the Upper Mississippi River near river mile 437. Its main lock is 110feet wide and 600feet long with its bottom at an elevation of 518feet. Normal pool elevation behind the dam is 536feet. The movable portion of the dam is 1121feet long and consists of 3 roller gates and 8 tainter gates.[1] In 2004, the facility was listed in the National Register of Historic Places as Lock and Dam No. 17 Historic District, #04000177 covering 869acres, 1 building, 3 structures and 2 objects.