Lock and Dam No. 17

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 110 feet (33.5 m) wide and 600 feet (182.9 m) long with its bottom at an elevation of 518 feet (157.9 m). Normal pool elevation behind the dam is 536 feet (163.4 m). The movable portion of the dam is 1,121 feet (341.7 m) long and consists of 3 roller gates and 8 tainter gates.^[2] In 2004, the facility was listed in the National Register of Historic Places as Lock and Dam No. 17 Historic District, #04000177 covering 869 acres (3.5 km²), 1 building, 3 structures and 2 objects.

https://web.archive.org/web/20161226221158/http://www.mvr.usace.army.mil/Portals/48/docs/CC/FactSheets/MISS/UMR%20Locks%20%26%20Dams%20-%202016%20%28MVD%29.pdf

Lock and Dam No. 17
Mississippi River Lock and Dam number 17
Location of Lock and Dam No. 17 in Illinois Show map of Illinois Lock and Dam No. 17 (the United States) Show map of the United States
Location	Jefferson Township & Port Louisa Township, Louisa County, Iowa / New Boston Township, Mercer County, Illinois, near New Boston, Illinois, USA
Coordinates	41°11′27″N 91°03′37″W
Construction began	1935
Opening date	May 14, 1939
Operator(s)	U.S. Army Corps of Engineers, Rock Island District
Dam and spillways
Impounds	Upper Mississippi River
Length	1,121 feet (341.7 m)
Reservoir
Creates	Pool 17
Total capacity	50,000 acre⋅ft (0.062 km3)
Catchment area	99,600 sq mi (258,000 km2)
Lock and Dam No. 17 Historic District
U.S. National Register of Historic Places
U.S. Historic district
Area	86.9 acres (35.2 ha)
Architectural style	Moderne, Lock and Dam
MPS	Upper Mississippi River 9-Foot Navigation Project MPS
NRHP reference No.	04000177[1]
Added to NRHP	March 10, 2004

See also

• Public Works Administration dams list