Illinois Waterway Recent Hydrographic Surveys

US Army Corps of Engineers

Rock Island District Website

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Hydrographic survey data and charts across the Corps of Engineers

Recent Condition Surveys

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Date Surveyed

Pool

River Miles

Chart	May 23, 2019	LaGrange	5030-5045
Chart	May 22, 2019	LaGrange	5311-5320
Chart	May 22, 2019	LaGrange	5325-5340
Chart	May 22, 2019	LaGrange	5156-5173
Chart	May 21, 2019	LaGrange	5385-5398
Chart	May 21, 2019	LaGrange	5470-5487
Chart	May 20, 2019	LaGrange	6075-6093
Chart	May 20, 2019	LaGrange	6093-6110
Chart	May 20, 2019	Peoria	4931-4941
Chart	May 18, 2019	Peoria	4750-4765
Chart	May 18, 2019	Peoria	4798-4814

Chart	April 24, 2019	LaGrange	1530-1560
Chart	April 24, 2019	LaGrange	1530-1560
Chart	April 24, 2019	LaGrange	1530-1560
Chart	April 23, 2019	Peoria	1970-2070
Chart	April 23, 2019	Peoria	1970-2070
Chart	April 22, 2019	Peoria	2163-2184
Chart	April 22, 2019	Peoria	2220-2230
Chart	April 22, 2019	Peoria	2163-2184
Chart	April 22, 2019	LaGrange	2220-2230
Chart	April 17, 2019	LaGrange	0800-0830
Chart	April 17, 2019	LaGrange	0830-0845
Chart	April 17, 2019	LaGrange	0863-0880
Chart	April 17, 2019	LaGrange	0880-0890
Chart	April 17, 2019	LaGrange	0800-0830
Chart	April 17, 2019	LaGrange	0830-0845
Chart	April 17, 2019	LaGrange	0863-0880
Chart	April 17, 2019	LaGrange	0880-0890
Chart	April 16, 2019	LaGrange	0920-0930
Chart	April 16, 2019	LaGrange	0930-0950
Chart	April 16, 2019	LaGrange	0990-1020
Chart	April 16, 2019	Peoria	0920-0930
Chart	April 16, 2019	Peoria	0930-0950
Chart	April 16, 2019	Peoria	0990-1020
Chart	March 19, 2019	Peoria	1553-1569
Chart	March 19, 2019	Peoria	1591-1620
Chart	March 19, 2019	Peoria	5090-5101

Chart	March 14, 2019	Peoria	2150-2164
Chart	March 13, 2019	Peoria	2308-2310
Chart	March 12, 2019	Peoria	0862-0873
Chart	March 12, 2019	LaGrange	0888-0891