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Hydrograph River at a Glance Download
Illinois River at Ottawa Stage (ft)Observed: 459.91 ft at 9:30AM Jan 30, 2016Observed: 459.9 ft at 9:45AM Jan 30, 2016Observed: 459.9 ft at 10:00AM Jan 30, 2016Observed: 459.91 ft at 10:15AM Jan 30, 2016Observed: 459.91 ft at 10:30AM Jan 30, 2016Observed: 459.91 ft at 10:45AM Jan 30, 2016Observed: 459.91 ft at 11:00AM Jan 30, 2016Observed: 459.91 ft at 11:15AM Jan 30, 2016Observed: 459.91 ft at 11:30AM Jan 30, 2016Observed: 459.92 ft at 11:45AM Jan 30, 2016Observed: 459.93 ft at 12:00PM Jan 30, 2016Observed: 459.92 ft at 12:15PM Jan 30, 2016Observed: 459.92 ft at 12:30PM Jan 30, 2016Observed: 459.92 ft at 12:45PM Jan 30, 2016Observed: 459.92 ft at 1:00PM Jan 30, 2016Observed: 459.92 ft at 1:15PM Jan 30, 2016Observed: 459.91 ft at 1:30PM Jan 30, 2016Observed: 459.91 ft at 1:45PM Jan 30, 2016Observed: 459.92 ft at 2:00PM Jan 30, 2016Observed: 459.92 ft at 2:15PM Jan 30, 2016Observed: 459.92 ft at 2:30PM Jan 30, 2016Observed: 459.92 ft at 2:45PM Jan 30, 2016Observed: 459.92 ft at 3:00PM Jan 30, 2016Observed: 459.92 ft at 3:15PM Jan 30, 2016Observed: 459.92 ft at 3:30PM Jan 30, 2016Observed: 459.92 ft at 3:45PM Jan 30, 2016Observed: 459.91 ft at 4:00PM Jan 30, 2016Observed: 459.91 ft at 4:15PM Jan 30, 2016Observed: 459.91 ft at 4:30PM Jan 30, 2016Observed: 459.92 ft at 4:45PM Jan 30, 2016Observed: 459.92 ft at 5:00PM Jan 30, 2016Observed: 459.92 ft at 5:15PM Jan 30, 2016Observed: 459.92 ft at 5:30PM Jan 30, 2016Observed: 459.92 ft at 5:45PM Jan 30, 2016Observed: 459.92 ft at 6:00PM Jan 30, 2016Observed: 459.92 ft at 6:15PM Jan 30, 2016Observed: 459.92 ft at 6:30PM Jan 30, 2016Observed: 459.92 ft at 6:45PM Jan 30, 2016Observed: 459.92 ft at 7:00PM Jan 30, 2016Observed: 459.92 ft at 7:15PM Jan 30, 2016Observed: 459.92 ft at 7:30PM Jan 30, 2016Observed: 459.92 ft at 7:45PM Jan 30, 2016Observed: 459.92 ft at 8:00PM Jan 30, 2016Observed: 459.92 ft at 8:15PM Jan 30, 2016Observed: 459.93 ft at 8:30PM Jan 30, 2016Observed: 459.92 ft at 8:45PM Jan 30, 2016Observed: 459.92 ft at 9:00PM Jan 30, 2016Observed: 459.92 ft at 9:15PM Jan 30, 2016Observed: 459.92 ft at 9:30PM Jan 30, 2016Observed: 459.92 ft at 9:45PM Jan 30, 2016Observed: 459.91 ft at 10:00PM Jan 30, 2016Observed: 459.91 ft at 10:15PM Jan 30, 2016Observed: 459.93 ft at 10:30PM Jan 30, 2016Observed: 459.92 ft at 10:45PM Jan 30, 2016Observed: 459.92 ft at 11:00PM Jan 30, 2016Observed: 459.92 ft at 11:15PM Jan 30, 2016Observed: 459.92 ft at 11:30PM Jan 30, 2016Observed: 459.92 ft at 11:45PM Jan 30, 2016Observed: 459.92 ft at 12:00AM Jan 31, 2016Observed: 459.92 ft at 12:15AM Jan 31, 2016Observed: 459.92 ft at 12:30AM Jan 31, 2016Observed: 459.92 ft at 12:45AM Jan 31, 2016Observed: 459.92 ft at 1:00AM Jan 31, 2016Observed: 459.91 ft at 1:15AM Jan 31, 2016Observed: 459.91 ft at 1:30AM Jan 31, 2016Observed: 459.91 ft at 1:45AM Jan 31, 2016Observed: 459.91 ft at 2:00AM Jan 31, 2016Observed: 459.91 ft at 2:15AM Jan 31, 2016Observed: 459.92 ft at 2:30AM Jan 31, 2016Observed: 459.92 ft at 2:45AM Jan 31, 2016Observed: 459.91 ft at 3:00AM Jan 31, 2016Observed: 459.9 ft at 3:15AM Jan 31, 2016Observed: 459.91 ft at 3:30AM Jan 31, 2016Observed: 459.9 ft at 3:45AM Jan 31, 2016Observed: 459.91 ft at 4:00AM Jan 31, 2016Observed: 459.9 ft at 4:15AM Jan 31, 2016Observed: 459.9 ft at 4:30AM Jan 31, 2016Observed: 459.91 ft at 4:45AM Jan 31, 2016Observed: 459.9 ft at 5:00AM Jan 31, 2016Observed: 459.9 ft at 5:15AM Jan 31, 2016Observed: 459.91 ft at 5:30AM Jan 31, 2016Observed: 459.91 ft at 5:45AM Jan 31, 2016Observed: 459.9 ft at 6:00AM Jan 31, 2016Observed: 459.9 ft at 6:15AM Jan 31, 2016Observed: 459.9 ft at 6:30AM Jan 31, 2016Observed: 459.89 ft at 6:45AM Jan 31, 2016Observed: 459.9 ft at 7:00AM Jan 31, 2016Observed: 459.89 ft at 7:15AM Jan 31, 2016Observed: 459.89 ft at 7:30AM Jan 31, 2016Observed: 459.89 ft at 7:45AM Jan 31, 2016Observed: 459.89 ft at 8:00AM Jan 31, 2016Observed: 459.89 ft at 8:15AM Jan 31, 2016Observed: 459.89 ft at 8:30AM Jan 31, 2016Observed: 459.89 ft at 8:45AM Jan 31, 2016Observed: 459.89 ft at 9:00AM Jan 31, 2016Observed: 459.89 ft at 9:15AM Jan 31, 2016Observed: 459.91 ft at 9:30AM Jan 31, 2016Observed: 459.9 ft at 9:45AM Jan 31, 2016Observed: 459.9 ft at 10:00AM Jan 31, 2016Observed: 459.89 ft at 10:15AM Jan 31, 2016Observed: 459.89 ft at 10:30AM Jan 31, 2016Observed: 459.89 ft at 10:45AM Jan 31, 2016Observed: 459.89 ft at 11:00AM Jan 31, 2016Observed: 459.89 ft at 11:15AM Jan 31, 2016Observed: 459.9 ft at 11:30AM Jan 31, 2016Observed: 459.89 ft at 11:45AM Jan 31, 2016Observed: 459.89 ft at 12:00PM Jan 31, 2016Observed: 459.89 ft at 12:15PM Jan 31, 2016Observed: 459.89 ft at 12:30PM Jan 31, 2016Observed: 459.89 ft at 12:45PM Jan 31, 2016Observed: 459.9 ft at 1:00PM Jan 31, 2016Observed: 459.9 ft at 1:15PM Jan 31, 2016Observed: 459.9 ft at 1:30PM Jan 31, 2016Observed: 459.9 ft at 1:45PM Jan 31, 2016Observed: 459.9 ft at 2:00PM Jan 31, 2016Observed: 459.9 ft at 2:15PM Jan 31, 2016Observed: 459.9 ft at 2:30PM Jan 31, 2016Observed: 459.9 ft at 2:45PM Jan 31, 2016Observed: 459.89 ft at 3:00PM Jan 31, 2016Observed: 459.89 ft at 3:15PM Jan 31, 2016Observed: 459.89 ft at 3:30PM Jan 31, 2016Observed: 459.89 ft at 3:45PM Jan 31, 2016Observed: 459.89 ft at 4:00PM Jan 31, 2016Observed: 459.89 ft at 4:15PM Jan 31, 2016Observed: 459.89 ft at 4:30PM Jan 31, 2016Observed: 459.89 ft at 4:45PM Jan 31, 2016Observed: 459.89 ft at 5:00PM Jan 31, 2016Observed: 459.89 ft at 5:15PM Jan 31, 2016Observed: 459.89 ft at 5:30PM Jan 31, 2016Observed: 459.89 ft at 5:45PM Jan 31, 2016Observed: 459.89 ft at 6:00PM Jan 31, 2016Observed: 459.89 ft at 6:15PM Jan 31, 2016Observed: 459.91 ft at 6:30PM Jan 31, 2016Observed: 459.9 ft at 6:45PM Jan 31, 2016Observed: 459.9 ft at 7:00PM Jan 31, 2016Observed: 459.9 ft at 7:15PM Jan 31, 2016Observed: 459.9 ft at 7:30PM Jan 31, 2016Observed: 459.89 ft at 7:45PM Jan 31, 2016Observed: 459.9 ft at 8:00PM Jan 31, 2016Observed: 459.9 ft at 8:15PM Jan 31, 2016Observed: 459.89 ft at 8:30PM Jan 31, 2016Observed: 459.91 ft at 8:45PM Jan 31, 2016Observed: 459.9 ft at 9:00PM Jan 31, 2016Observed: 459.9 ft at 9:15PM Jan 31, 2016Observed: 459.9 ft at 9:30PM Jan 31, 2016Observed: 459.9 ft at 9:45PM Jan 31, 2016Observed: 459.9 ft at 10:00PM Jan 31, 2016Observed: 459.9 ft at 10:15PM Jan 31, 2016Observed: 459.9 ft at 10:30PM Jan 31, 2016Observed: 459.9 ft at 10:45PM Jan 31, 2016Observed: 459.9 ft at 11:00PM Jan 31, 2016Observed: 459.9 ft at 11:15PM Jan 31, 2016Observed: 459.9 ft at 11:30PM Jan 31, 2016Observed: 459.9 ft at 11:45PM Jan 31, 2016Observed: 459.9 ft at 12:00AM Feb 01, 2016Observed: 459.9 ft at 12:15AM Feb 01, 2016Observed: 459.9 ft at 12:30AM Feb 01, 2016Observed: 459.89 ft at 12:45AM Feb 01, 2016Observed: 459.89 ft at 1:00AM Feb 01, 2016Observed: 459.9 ft at 1:15AM Feb 01, 2016Observed: 459.89 ft at 1:30AM Feb 01, 2016Observed: 459.89 ft at 1:45AM Feb 01, 2016Observed: 459.89 ft at 2:00AM Feb 01, 2016Observed: 459.9 ft at 2:15AM Feb 01, 2016Observed: 459.89 ft at 2:30AM Feb 01, 2016Observed: 459.9 ft at 2:45AM Feb 01, 2016Observed: 459.9 ft at 3:00AM Feb 01, 2016Observed: 459.89 ft at 3:15AM Feb 01, 2016Observed: 459.89 ft at 3:30AM Feb 01, 2016Observed: 459.9 ft at 3:45AM Feb 01, 2016Observed: 459.89 ft at 4:00AM Feb 01, 2016Observed: 459.89 ft at 4:15AM Feb 01, 2016Observed: 459.9 ft at 4:30AM Feb 01, 2016Observed: 459.89 ft at 4:45AM Feb 01, 2016Observed: 459.9 ft at 5:00AM Feb 01, 2016Observed: 459.9 ft at 5:15AM Feb 01, 2016Observed: 459.89 ft at 5:30AM Feb 01, 2016Observed: 459.89 ft at 5:45AM Feb 01, 2016Observed: 459.9 ft at 6:00AM Feb 01, 2016Observed: 459.89 ft at 6:15AM Feb 01, 2016Observed: 459.89 ft at 6:30AM Feb 01, 2016Observed: 459.89 ft at 6:45AM Feb 01, 2016Observed: 459.89 ft at 7:00AM Feb 01, 2016Observed: 459.89 ft at 7:15AM Feb 01, 2016Observed: 459.89 ft at 7:30AM Feb 01, 2016Observed: 459.89 ft at 7:45AM Feb 01, 2016Observed: 459.89 ft at 8:00AM Feb 01, 2016Observed: 459.9 ft at 8:15AM Feb 01, 2016Observed: 459.89 ft at 8:30AM Feb 01, 2016Observed: 459.89 ft at 8:45AM Feb 01, 2016Observed: 459.9 ft at 9:00AM Feb 01, 2016Observed: 459.89 ft at 9:15AM Feb 01, 2016Observed: 459.89 ft at 9:30AM Feb 01, 2016Observed: 459.89 ft at 9:45AM Feb 01, 2016Observed: 459.89 ft at 10:00AM Feb 01, 2016Observed: 459.89 ft at 10:15AM Feb 01, 2016Observed: 459.89 ft at 10:30AM Feb 01, 2016Observed: 459.89 ft at 10:45AM Feb 01, 2016Observed: 459.89 ft at 11:00AM Feb 01, 2016Observed: 459.9 ft at 11:15AM Feb 01, 2016Observed: 459.9 ft at 11:30AM Feb 01, 2016Observed: 459.9 ft at 11:45AM Feb 01, 2016Observed: 459.89 ft at 12:00PM Feb 01, 2016Observed: 459.89 ft at 12:15PM Feb 01, 2016Observed: 459.89 ft at 12:30PM Feb 01, 2016Observed: 459.89 ft at 12:45PM Feb 01, 2016Observed: 459.89 ft at 1:00PM Feb 01, 2016Observed: 459.89 ft at 1:15PM Feb 01, 2016Observed: 459.89 ft at 1:30PM Feb 01, 2016Observed: 459.89 ft at 1:45PM Feb 01, 2016Observed: 459.89 ft at 2:00PM Feb 01, 2016Observed: 459.89 ft at 2:15PM Feb 01, 2016Observed: 459.89 ft at 2:30PM Feb 01, 2016Observed: 459.89 ft at 2:45PM Feb 01, 2016Observed: 459.89 ft at 3:00PM Feb 01, 2016Observed: 459.89 ft at 3:15PM Feb 01, 2016Observed: 459.89 ft at 3:30PM Feb 01, 2016Observed: 459.89 ft at 3:45PM Feb 01, 2016Observed: 459.89 ft at 4:00PM Feb 01, 2016Observed: 459.89 ft at 4:15PM Feb 01, 2016Observed: 459.89 ft at 4:30PM Feb 01, 2016Observed: 459.89 ft at 4:45PM Feb 01, 2016Observed: 459.89 ft at 5:00PM Feb 01, 2016Observed: 459.89 ft at 5:15PM Feb 01, 2016Observed: 459.89 ft at 5:30PM Feb 01, 2016Observed: 459.89 ft at 5:45PM Feb 01, 2016Observed: 459.89 ft at 6:00PM Feb 01, 2016Observed: 459.89 ft at 6:15PM Feb 01, 2016Observed: 459.89 ft at 6:30PM Feb 01, 2016Observed: 459.89 ft at 6:45PM Feb 01, 2016Observed: 459.89 ft at 7:00PM Feb 01, 2016Observed: 459.91 ft at 7:15PM Feb 01, 2016Observed: 459.9 ft at 7:30PM Feb 01, 2016Observed: 459.9 ft at 7:45PM Feb 01, 2016Observed: 459.9 ft at 8:00PM Feb 01, 2016Observed: 459.9 ft at 8:15PM Feb 01, 2016Observed: 459.9 ft at 8:30PM Feb 01, 2016Observed: 459.9 ft at 8:45PM Feb 01, 2016Observed: 459.9 ft at 9:00PM Feb 01, 2016Observed: 459.9 ft at 9:15PM Feb 01, 2016Observed: 459.9 ft at 9:30PM Feb 01, 2016Observed: 459.89 ft at 9:45PM Feb 01, 2016Observed: 459.89 ft at 10:00PM Feb 01, 2016Observed: 459.9 ft at 10:15PM Feb 01, 2016Observed: 459.89 ft at 10:30PM Feb 01, 2016Observed: 459.89 ft at 10:45PM Feb 01, 2016Observed: 459.9 ft at 11:00PM Feb 01, 2016Observed: 459.89 ft at 11:15PM Feb 01, 2016Observed: 459.89 ft at 11:30PM Feb 01, 2016Observed: 459.89 ft at 11:45PM Feb 01, 2016Observed: 459.89 ft at 12:00AM Feb 02, 2016Observed: 459.89 ft at 12:15AM Feb 02, 2016Observed: 459.89 ft at 12:30AM Feb 02, 2016Observed: 459.89 ft at 12:45AM Feb 02, 2016Observed: 459.89 ft at 1:00AM Feb 02, 2016Observed: 459.89 ft at 1:15AM Feb 02, 2016Observed: 459.89 ft at 1:30AM Feb 02, 2016Observed: 459.89 ft at 1:45AM Feb 02, 2016Observed: 459.89 ft at 2:00AM Feb 02, 2016Observed: 459.89 ft at 2:15AM Feb 02, 2016Observed: 459.89 ft at 2:30AM Feb 02, 2016Observed: 459.89 ft at 2:45AM Feb 02, 2016Observed: 459.89 ft at 3:00AM Feb 02, 2016Observed: 459.89 ft at 3:15AM Feb 02, 2016Observed: 459.9 ft at 3:30AM Feb 02, 2016Observed: 459.89 ft at 3:45AM Feb 02, 2016Observed: 459.89 ft at 4:00AM Feb 02, 2016Observed: 459.89 ft at 4:15AM Feb 02, 2016Observed: 459.89 ft at 4:30AM Feb 02, 2016Observed: 459.9 ft at 4:45AM Feb 02, 2016Observed: 459.9 ft at 5:00AM Feb 02, 2016Observed: 459.89 ft at 5:15AM Feb 02, 2016Observed: 459.89 ft at 5:30AM Feb 02, 2016Observed: 459.9 ft at 5:45AM Feb 02, 2016Observed: 459.9 ft at 6:00AM Feb 02, 2016Observed: 459.9 ft at 6:15AM Feb 02, 2016Observed: 459.9 ft at 6:30AM Feb 02, 2016Observed: 459.9 ft at 6:45AM Feb 02, 2016Observed: 459.9 ft at 7:00AM Feb 02, 2016Observed: 459.9 ft at 7:15AM Feb 02, 2016Observed: 459.9 ft at 7:30AM Feb 02, 2016Observed: 459.9 ft at 7:45AM Feb 02, 2016Observed: 459.9 ft at 8:00AM Feb 02, 2016Observed: 459.9 ft at 8:15AM Feb 02, 2016Observed: 459.9 ft at 8:30AM Feb 02, 2016Observed: 459.9 ft at 8:45AM Feb 02, 2016Observed: 459.9 ft at 9:00AM Feb 02, 2016Observed: 459.9 ft at 9:15AM Feb 02, 2016Observed: 459.9 ft at 9:30AM Feb 02, 2016Observed: 459.9 ft at 9:45AM Feb 02, 2016Observed: 459.92 ft at 10:00AM Feb 02, 2016Observed: 460.11 ft at 10:15AM Feb 02, 2016Observed: 459.97 ft at 10:30AM Feb 02, 2016Observed: 459.95 ft at 10:45AM Feb 02, 2016Observed: 459.96 ft at 11:00AM Feb 02, 2016Observed: 459.99 ft at 11:15AM Feb 02, 2016Observed: 460.07 ft at 11:30AM Feb 02, 2016Observed: 460.07 ft at 11:45AM Feb 02, 2016Observed: 460.13 ft at 12:00PM Feb 02, 2016Observed: 460.21 ft at 12:15PM Feb 02, 2016Observed: 460.21 ft at 12:30PM Feb 02, 2016Observed: 460.29 ft at 12:45PM Feb 02, 2016Observed: 460.37 ft at 1:00PM Feb 02, 2016Observed: 460.37 ft at 1:15PM Feb 02, 2016Observed: 460.3 ft at 1:30PM Feb 02, 2016Observed: 460.15 ft at 1:45PM Feb 02, 2016Observed: 460.05 ft at 2:00PM Feb 02, 2016Observed: 459.99 ft at 2:15PM Feb 02, 2016Observed: 459.99 ft at 2:30PM Feb 02, 2016Observed: 460 ft at 2:45PM Feb 02, 2016Observed: 460 ft at 3:00PM Feb 02, 2016Observed: 459.98 ft at 3:15PM Feb 02, 2016Observed: 459.96 ft at 3:30PM Feb 02, 2016Observed: 459.96 ft at 3:45PM Feb 02, 2016Observed: 459.97 ft at 4:00PM Feb 02, 2016Observed: 459.97 ft at 4:15PM Feb 02, 2016Observed: 460.05 ft at 4:30PM Feb 02, 2016Observed: 460.04 ft at 4:45PM Feb 02, 2016Observed: 460.01 ft at 5:00PM Feb 02, 2016Observed: 460 ft at 5:15PM Feb 02, 2016Observed: 460 ft at 5:30PM Feb 02, 2016Observed: 459.99 ft at 5:45PM Feb 02, 2016Observed: 459.98 ft at 6:00PM Feb 02, 2016Observed: 459.98 ft at 6:15PM Feb 02, 2016Observed: 459.97 ft at 6:30PM Feb 02, 2016Observed: 459.97 ft at 6:45PM Feb 02, 2016Observed: 459.97 ft at 7:00PM Feb 02, 2016Observed: 459.97 ft at 7:15PM Feb 02, 2016Observed: 459.97 ft at 7:30PM Feb 02, 2016Observed: 459.97 ft at 7:45PM Feb 02, 2016Observed: 459.97 ft at 8:00PM Feb 02, 2016Observed: 459.97 ft at 8:15PM Feb 02, 2016Observed: 459.97 ft at 8:30PM Feb 02, 2016Observed: 459.98 ft at 8:45PM Feb 02, 2016Observed: 459.97 ft at 9:00PM Feb 02, 2016Observed: 459.97 ft at 9:15PM Feb 02, 2016Observed: 459.97 ft at 9:30PM Feb 02, 2016Observed: 459.97 ft at 9:45PM Feb 02, 2016Observed: 459.97 ft at 10:00PM Feb 02, 2016Observed: 459.97 ft at 10:15PM Feb 02, 2016Observed: 459.97 ft at 10:30PM Feb 02, 2016Observed: 459.97 ft at 10:45PM Feb 02, 2016Observed: 459.97 ft at 11:00PM Feb 02, 2016Observed: 459.97 ft at 11:15PM Feb 02, 2016Observed: 459.97 ft at 11:30PM Feb 02, 2016Observed: 459.97 ft at 11:45PM Feb 02, 2016Observed: 459.96 ft at 12:00AM Feb 03, 2016Observed: 459.96 ft at 12:15AM Feb 03, 2016Observed: 459.96 ft at 12:30AM Feb 03, 2016Observed: 459.96 ft at 12:45AM Feb 03, 2016Observed: 459.96 ft at 1:00AM Feb 03, 2016Observed: 459.95 ft at 1:15AM Feb 03, 2016Observed: 459.95 ft at 1:30AM Feb 03, 2016Observed: 459.96 ft at 1:45AM Feb 03, 2016Observed: 459.97 ft at 2:00AM Feb 03, 2016Observed: 460 ft at 2:15AM Feb 03, 2016Observed: 460.02 ft at 2:30AM Feb 03, 2016Observed: 460.09 ft at 2:45AM Feb 03, 2016Observed: 460.1 ft at 3:00AM Feb 03, 2016Observed: 460.13 ft at 3:15AM Feb 03, 2016Observed: 460.13 ft at 3:30AM Feb 03, 2016Observed: 460.13 ft at 3:45AM Feb 03, 2016Observed: 460.14 ft at 4:00AM Feb 03, 2016Observed: 460.12 ft at 4:15AM Feb 03, 2016Observed: 460.12 ft at 4:30AM Feb 03, 2016Observed: 460.11 ft at 4:45AM Feb 03, 2016Observed: 460.13 ft at 5:00AM Feb 03, 2016Observed: 460.16 ft at 5:15AM Feb 03, 2016Observed: 460.17 ft at 5:30AM Feb 03, 2016Observed: 460.15 ft at 5:45AM Feb 03, 2016Observed: 460.13 ft at 6:00AM Feb 03, 2016Observed: 460.12 ft at 6:15AM Feb 03, 2016Observed: 460.14 ft at 6:30AM Feb 03, 2016Observed: 460.14 ft at 6:45AM Feb 03, 2016Observed: 460.22 ft at 7:00AM Feb 03, 2016Observed: 460.24 ft at 7:15AM Feb 03, 2016Observed: 460.25 ft at 7:30AM Feb 03, 2016Observed: 460.35 ft at 7:45AM Feb 03, 2016Observed: 460.35 ft at 8:00AM Feb 03, 2016Observed: 460.37 ft at 8:15AM Feb 03, 2016Observed: 460.38 ft at 8:30AM Feb 03, 2016Observed: 460.39 ft at 8:45AM Feb 03, 2016Observed: 460.41 ft at 9:00AM Feb 03, 2016Observed: 460.43 ft at 9:15AM Feb 03, 2016Observed: 460.49 ft at 9:30AM Feb 03, 2016Observed: 460.5 ft at 9:45AM Feb 03, 2016Observed: 460.5 ft at 10:00AM Feb 03, 2016Observed: 460.59 ft at 10:15AM Feb 03, 2016Observed: 460.6 ft at 10:30AM Feb 03, 2016Observed: 460.62 ft at 10:45AM Feb 03, 2016Observed: 460.69 ft at 11:00AM Feb 03, 2016Observed: 460.72 ft at 11:15AM Feb 03, 2016Observed: 460.74 ft at 11:30AM Feb 03, 2016Observed: 460.82 ft at 11:45AM Feb 03, 2016Observed: 460.8 ft at 12:00PM Feb 03, 2016Observed: 460.79 ft at 12:15PM Feb 03, 2016Observed: 460.8 ft at 12:30PM Feb 03, 2016Observed: 460.81 ft at 12:45PM Feb 03, 2016Observed: 460.81 ft at 1:00PM Feb 03, 2016Observed: 460.92 ft at 1:15PM Feb 03, 2016Observed: 460.92 ft at 1:30PM Feb 03, 2016Observed: 460.93 ft at 1:45PM Feb 03, 2016Observed: 460.92 ft at 2:00PM Feb 03, 2016Observed: 460.92 ft at 2:15PM Feb 03, 2016Observed: 460.92 ft at 2:30PM Feb 03, 2016Observed: 460.92 ft at 2:45PM Feb 03, 2016Observed: 460.93 ft at 3:00PM Feb 03, 2016Observed: 460.91 ft at 3:15PM Feb 03, 2016Observed: 460.91 ft at 3:30PM Feb 03, 2016Observed: 460.92 ft at 3:45PM Feb 03, 2016Observed: 460.93 ft at 4:00PM Feb 03, 2016Observed: 460.93 ft at 4:15PM Feb 03, 2016Observed: 460.94 ft at 4:30PM Feb 03, 2016Observed: 460.95 ft at 4:45PM Feb 03, 2016Observed: 460.94 ft at 5:00PM Feb 03, 2016Observed: 460.95 ft at 5:15PM Feb 03, 2016Observed: 460.96 ft at 5:30PM Feb 03, 2016Observed: 461.04 ft at 5:45PM Feb 03, 2016Observed: 461.03 ft at 6:00PM Feb 03, 2016Observed: 461.03 ft at 6:15PM Feb 03, 2016Observed: 461.02 ft at 6:30PM Feb 03, 2016Observed: 461.02 ft at 6:45PM Feb 03, 2016Observed: 461.03 ft at 7:00PM Feb 03, 2016Observed: 461.03 ft at 7:15PM Feb 03, 2016Observed: 461.03 ft at 7:30PM Feb 03, 2016Observed: 461.04 ft at 7:45PM Feb 03, 2016Observed: 461.04 ft at 8:00PM Feb 03, 2016Observed: 461.04 ft at 8:15PM Feb 03, 2016Observed: 461.05 ft at 8:30PM Feb 03, 2016Observed: 461.06 ft at 8:45PM Feb 03, 2016Observed: 461.04 ft at 9:00PM Feb 03, 2016Observed: 461.04 ft at 9:15PM Feb 03, 2016Observed: 461.02 ft at 9:30PM Feb 03, 2016Observed: 461.01 ft at 9:45PM Feb 03, 2016Observed: 460.99 ft at 10:00PM Feb 03, 2016Observed: 460.97 ft at 10:15PM Feb 03, 2016Observed: 460.97 ft at 10:30PM Feb 03, 2016Observed: 460.98 ft at 10:45PM Feb 03, 2016Observed: 460.98 ft at 11:00PM Feb 03, 2016Observed: 461 ft at 11:15PM Feb 03, 2016Observed: 461 ft at 11:30PM Feb 03, 2016Observed: 461.01 ft at 11:45PM Feb 03, 2016Observed: 461.02 ft at 12:00AM Feb 04, 2016Observed: 461.02 ft at 12:15AM Feb 04, 2016Observed: 461.02 ft at 12:30AM Feb 04, 2016Observed: 461.02 ft at 12:45AM Feb 04, 2016Observed: 461.02 ft at 1:00AM Feb 04, 2016Observed: 461.03 ft at 1:15AM Feb 04, 2016Observed: 461.04 ft at 1:30AM Feb 04, 2016Observed: 461.04 ft at 1:45AM Feb 04, 2016Observed: 461.04 ft at 2:00AM Feb 04, 2016Observed: 461.04 ft at 2:15AM Feb 04, 2016Observed: 461.04 ft at 2:30AM Feb 04, 2016Observed: 461.04 ft at 2:45AM Feb 04, 2016Observed: 461.04 ft at 3:00AM Feb 04, 2016Observed: 461.04 ft at 3:15AM Feb 04, 2016Observed: 461.05 ft at 3:30AM Feb 04, 2016Observed: 461.05 ft at 3:45AM Feb 04, 2016Observed: 461.05 ft at 4:00AM Feb 04, 2016Observed: 461.06 ft at 4:15AM Feb 04, 2016Observed: 461.06 ft at 4:30AM Feb 04, 2016Observed: 461.06 ft at 4:45AM Feb 04, 2016Observed: 461.07 ft at 5:00AM Feb 04, 2016Highest Observation: 461.08 ft at 5:15AM Feb 04, 2016Observed: 461.07 ft at 5:30AM Feb 04, 2016Observed: 461.07 ft at 5:45AM Feb 04, 2016Observed: 461.06 ft at 6:00AM Feb 04, 2016Observed: 461.05 ft at 6:15AM Feb 04, 2016Observed: 461.05 ft at 6:30AM Feb 04, 2016Observed: 461.03 ft at 6:45AM Feb 04, 2016Observed: 461.02 ft at 7:00AM Feb 04, 2016Observed: 461.01 ft at 7:15AM Feb 04, 2016Observed: 461.01 ft at 7:30AM Feb 04, 2016Observed: 460.99 ft at 7:45AM Feb 04, 2016Observed: 460.97 ft at 8:00AM Feb 04, 2016Observed: 460.95 ft at 8:15AM Feb 04, 2016Observed: 460.94 ft at 8:30AM Feb 04, 2016Observed: 460.93 ft at 8:45AM Feb 04, 2016Observed: 460.92 ft at 9:00AM Feb 04, 2016Observed: 460.92 ft at 9:15AM Feb 04, 2016Observed: 460.92 ft at 9:30AM Feb 04, 2016Observed: 460.92 ft at 9:45AM Feb 04, 2016Observed: 460.91 ft at 10:00AM Feb 04, 2016Observed: 460.89 ft at 10:15AM Feb 04, 2016Observed: 460.88 ft at 10:30AM Feb 04, 2016Observed: 460.87 ft at 10:45AM Feb 04, 2016Observed: 460.84 ft at 11:00AM Feb 04, 2016Observed: 460.83 ft at 11:15AM Feb 04, 2016Observed: 460.76 ft at 11:30AM Feb 04, 2016Observed: 460.74 ft at 11:45AM Feb 04, 2016Observed: 460.72 ft at 12:00PM Feb 04, 2016Observed: 460.62 ft at 12:15PM Feb 04, 2016Observed: 460.59 ft at 12:30PM Feb 04, 2016Observed: 460.58 ft at 12:45PM Feb 04, 2016Observed: 460.51 ft at 1:00PM Feb 04, 2016Observed: 460.5 ft at 1:15PM Feb 04, 2016Observed: 460.48 ft at 1:30PM Feb 04, 2016Observed: 460.46 ft at 1:45PM Feb 04, 2016Observed: 460.53 ft at 2:00PM Feb 04, 2016Observed: 460.46 ft at 2:15PM Feb 04, 2016Observed: 460.46 ft at 2:30PM Feb 04, 2016Observed: 460.46 ft at 2:45PM Feb 04, 2016Observed: 460.43 ft at 3:00PM Feb 04, 2016Observed: 460.42 ft at 3:15PM Feb 04, 2016Observed: 460.41 ft at 3:30PM Feb 04, 2016Observed: 460.4 ft at 3:45PM Feb 04, 2016Observed: 460.39 ft at 4:00PM Feb 04, 2016Observed: 460.39 ft at 4:15PM Feb 04, 2016Observed: 460.41 ft at 4:30PM Feb 04, 2016Observed: 460.41 ft at 4:45PM Feb 04, 2016Observed: 460.39 ft at 5:00PM Feb 04, 2016Observed: 460.37 ft at 5:15PM Feb 04, 2016Observed: 460.36 ft at 5:30PM Feb 04, 2016Observed: 460.37 ft at 5:45PM Feb 04, 2016Observed: 460.45 ft at 6:00PM Feb 04, 2016Observed: 460.45 ft at 6:15PM Feb 04, 2016Observed: 460.45 ft at 6:30PM Feb 04, 2016Observed: 460.45 ft at 6:45PM Feb 04, 2016Observed: 460.46 ft at 7:00PM Feb 04, 2016Observed: 460.48 ft at 7:15PM Feb 04, 2016Observed: 460.41 ft at 7:30PM Feb 04, 2016Observed: 460.5 ft at 7:45PM Feb 04, 2016Observed: 460.51 ft at 8:00PM Feb 04, 2016Observed: 460.5 ft at 8:15PM Feb 04, 2016Observed: 460.49 ft at 8:30PM Feb 04, 2016Observed: 460.48 ft at 8:45PM Feb 04, 2016Observed: 460.47 ft at 9:00PM Feb 04, 2016Observed: 460.48 ft at 9:15PM Feb 04, 2016Observed: 460.49 ft at 9:30PM Feb 04, 2016Observed: 460.57 ft at 9:45PM Feb 04, 2016Observed: 460.56 ft at 10:00PM Feb 04, 2016Observed: 460.54 ft at 10:15PM Feb 04, 2016Observed: 460.54 ft at 10:30PM Feb 04, 2016Observed: 460.54 ft at 10:45PM Feb 04, 2016Observed: 460.56 ft at 11:00PM Feb 04, 2016Observed: 460.55 ft at 11:15PM Feb 04, 2016Observed: 460.53 ft at 11:30PM Feb 04, 2016Observed: 460.51 ft at 11:45PM Feb 04, 2016Observed: 460.51 ft at 12:00AM Feb 05, 2016Observed: 460.45 ft at 12:15AM Feb 05, 2016Observed: 460.52 ft at 12:30AM Feb 05, 2016Observed: 460.53 ft at 12:45AM Feb 05, 2016Observed: 460.53 ft at 1:00AM Feb 05, 2016Observed: 460.54 ft at 1:15AM Feb 05, 2016Observed: 460.43 ft at 1:30AM Feb 05, 2016Observed: 460.46 ft at 1:45AM Feb 05, 2016Observed: 460.48 ft at 2:00AM Feb 05, 2016Observed: 460.6 ft at 2:15AM Feb 05, 2016Observed: 460.51 ft at 2:30AM Feb 05, 2016Observed: 460.44 ft at 2:45AM Feb 05, 2016Observed: 460.51 ft at 3:00AM Feb 05, 2016Observed: 460.51 ft at 3:15AM Feb 05, 2016Observed: 460.5 ft at 3:30AM Feb 05, 2016Observed: 460.51 ft at 3:45AM Feb 05, 2016Observed: 460.51 ft at 4:00AM Feb 05, 2016Observed: 460.51 ft at 4:15AM Feb 05, 2016Observed: 460.5 ft at 4:30AM Feb 05, 2016Observed: 460.43 ft at 4:45AM Feb 05, 2016Observed: 460.45 ft at 5:00AM Feb 05, 2016Observed: 460.45 ft at 5:15AM Feb 05, 2016Observed: 460.45 ft at 5:30AM Feb 05, 2016Observed: 460.46 ft at 5:45AM Feb 05, 2016Observed: 460.46 ft at 6:00AM Feb 05, 2016Observed: 460.46 ft at 6:15AM Feb 05, 2016Observed: 460.46 ft at 6:30AM Feb 05, 2016Observed: 460.46 ft at 6:45AM Feb 05, 2016Observed: 460.46 ft at 7:00AM Feb 05, 2016Observed: 460.45 ft at 7:15AM Feb 05, 2016Observed: 460.44 ft at 7:30AM Feb 05, 2016Observed: 460.43 ft at 7:45AM Feb 05, 2016Observed: 460.41 ft at 8:00AM Feb 05, 2016Observed: 460.4 ft at 8:15AM Feb 05, 2016Observed: 460.38 ft at 8:30AM Feb 05, 2016Observed: 460.38 ft at 8:45AM Feb 05, 2016Observed: 460.38 ft at 9:00AM Feb 05, 2016Observed: 460.4 ft at 9:15AM Feb 05, 2016Observed: 460.39 ft at 9:30AM Feb 05, 2016Observed: 460.39 ft at 9:45AM Feb 05, 2016Observed: 460.37 ft at 10:00AM Feb 05, 2016Observed: 460.36 ft at 10:15AM Feb 05, 2016Observed: 460.34 ft at 10:30AM Feb 05, 2016Observed: 460.36 ft at 10:45AM Feb 05, 2016Observed: 460.36 ft at 11:00AM Feb 05, 2016Observed: 460.35 ft at 11:15AM Feb 05, 2016Observed: 460.35 ft at 11:30AM Feb 05, 2016Observed: 460.37 ft at 11:45AM Feb 05, 2016Observed: 460.37 ft at 12:00PM Feb 05, 2016Observed: 460.36 ft at 12:15PM Feb 05, 2016Observed: 460.35 ft at 12:30PM Feb 05, 2016Observed: 460.34 ft at 12:45PM Feb 05, 2016Observed: 460.33 ft at 1:00PM Feb 05, 2016Observed: 460.33 ft at 1:15PM Feb 05, 2016Observed: 460.32 ft at 1:30PM Feb 05, 2016Observed: 460.33 ft at 1:45PM Feb 05, 2016Observed: 460.33 ft at 2:00PM Feb 05, 2016Observed: 460.32 ft at 2:15PM Feb 05, 2016Observed: 460.31 ft at 2:30PM Feb 05, 2016Observed: 460.31 ft at 2:45PM Feb 05, 2016Observed: 460.32 ft at 3:00PM Feb 05, 2016Observed: 460.32 ft at 3:15PM Feb 05, 2016Observed: 460.31 ft at 3:30PM Feb 05, 2016Observed: 460.3 ft at 3:45PM Feb 05, 2016Observed: 460.31 ft at 4:00PM Feb 05, 2016Observed: 460.32 ft at 4:15PM Feb 05, 2016Observed: 460.3 ft at 4:30PM Feb 05, 2016Observed: 460.3 ft at 4:45PM Feb 05, 2016Observed: 460.29 ft at 5:00PM Feb 05, 2016Observed: 460.29 ft at 5:15PM Feb 05, 2016Observed: 460.28 ft at 5:30PM Feb 05, 2016Observed: 460.19 ft at 5:45PM Feb 05, 2016Observed: 460.26 ft at 6:00PM Feb 05, 2016Observed: 460.32 ft at 6:15PM Feb 05, 2016Observed: 460.23 ft at 6:30PM Feb 05, 2016Observed: 460.24 ft at 6:45PM Feb 05, 2016Observed: 460.24 ft at 7:00PM Feb 05, 2016Observed: 460.22 ft at 7:15PM Feb 05, 2016Observed: 460.24 ft at 7:30PM Feb 05, 2016Observed: 460.22 ft at 7:45PM Feb 05, 2016Observed: 460.24 ft at 8:00PM Feb 05, 2016Observed: 460.25 ft at 8:15PM Feb 05, 2016Observed: 460.27 ft at 8:30PM Feb 05, 2016Observed: 460.29 ft at 8:45PM Feb 05, 2016Observed: 460.3 ft at 9:00PM Feb 05, 2016Observed: 460.31 ft at 9:15PM Feb 05, 2016Observed: 460.32 ft at 9:30PM Feb 05, 2016Observed: 460.34 ft at 9:45PM Feb 05, 2016Observed: 460.35 ft at 10:00PM Feb 05, 2016Observed: 460.35 ft at 10:15PM Feb 05, 2016Observed: 460.37 ft at 10:30PM Feb 05, 2016Observed: 460.48 ft at 10:45PM Feb 05, 2016Observed: 460.45 ft at 11:00PM Feb 05, 2016Observed: 460.43 ft at 11:15PM Feb 05, 2016Observed: 460.41 ft at 11:30PM Feb 05, 2016Observed: 460.42 ft at 11:45PM Feb 05, 2016Observed: 460.41 ft at 12:00AM Feb 06, 2016Observed: 460.39 ft at 12:15AM Feb 06, 2016Observed: 460.38 ft at 12:30AM Feb 06, 2016Observed: 460.37 ft at 12:45AM Feb 06, 2016Observed: 460.35 ft at 1:00AM Feb 06, 2016Observed: 460.29 ft at 1:15AM Feb 06, 2016Observed: 460.3 ft at 1:30AM Feb 06, 2016Observed: 460.29 ft at 1:45AM Feb 06, 2016Observed: 460.28 ft at 2:00AM Feb 06, 2016Observed: 460.26 ft at 2:15AM Feb 06, 2016Observed: 460.19 ft at 2:30AM Feb 06, 2016Observed: 460.18 ft at 2:45AM Feb 06, 2016Observed: 460.17 ft at 3:00AM Feb 06, 2016Observed: 460.17 ft at 3:15AM Feb 06, 2016Observed: 460.14 ft at 3:30AM Feb 06, 2016Observed: 460.12 ft at 3:45AM Feb 06, 2016Observed: 460.1 ft at 4:00AM Feb 06, 2016Observed: 460.09 ft at 4:15AM Feb 06, 2016Observed: 460.09 ft at 4:30AM Feb 06, 2016Observed: 460.15 ft at 4:45AM Feb 06, 2016Observed: 460.07 ft at 5:00AM Feb 06, 2016Observed: 460.09 ft at 5:15AM Feb 06, 2016Observed: 460.16 ft at 5:30AM Feb 06, 2016Observed: 460.17 ft at 5:45AM Feb 06, 2016Observed: 460.16 ft at 6:00AM Feb 06, 2016Observed: 460.16 ft at 6:15AM Feb 06, 2016Observed: 460.16 ft at 6:30AM Feb 06, 2016Observed: 460.16 ft at 6:45AM Feb 06, 2016Observed: 460.17 ft at 7:00AM Feb 06, 2016Observed: 460.18 ft at 7:15AM Feb 06, 2016Observed: 460.18 ft at 7:30AM Feb 06, 2016Observed: 460.18 ft at 7:45AM Feb 06, 2016Observed: 460.18 ft at 8:00AM Feb 06, 2016Observed: 460.17 ft at 8:15AM Feb 06, 2016Observed: 460.17 ft at 8:30AM Feb 06, 2016US Army Corps of EngineersOTWI2(plotting HGIRG) Graph Created (9:21AM Feb 6, 2016)ObservedLatest observed value: 460.17 ft at 8:30 AM CST 6-Feb-2016. Flood Stage is 463 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Illinois River at Ottawa are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Marseilles lock/dam Upstream Gauge Downstream Gauge Downstream Gauge - at Starved Rock lock/dam
Flood Categories (in feet)
Major Flood Stage: 469
Moderate Flood Stage: 466
Flood Stage: 463
Action Stage: 461
Low Stage (in feet): 0

Historic Crests
(1) 473.72 ft on 04/19/2013
(2) 472.21 ft on 09/16/2008
(3) 470.23 ft on 03/11/2009
(4) 468.87 ft on 12/29/2008
(5) 468.06 ft on 12/30/2015 (P)
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 468.06 ft on 12/30/2015 (P)
(2) 467.86 ft on 06/17/2015 (P)
(3) 473.72 ft on 04/19/2013
(4) 464.29 ft on 06/24/2010
(5) 470.23 ft on 03/11/2009
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:16
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Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
476 Water reaches top of Illinois River levee at Ottawa High School.
474.5 Water reaches top of Fox River levee at Ottawa High School.
471.5 Water reaches top of Illinois River levee at city of Ottawa waste water treatment plant.
470 St Elizabeth Medical Center in Ottawa loading dock and property are threatened.
468.8 Water reaches top of Fox River bank at YMCA.
468.1 River rescue squad threatened.
467 Green St at Shoreline Boat Club flooded.
466.4 Water reaches top of Fox River bank at Hudson St river walk.
465.3 Hudson St at Marquette football field is threatened.
463.9 Water reaches top of Fox River bank at St Elizabeth Medical Center in Ottawa.
462.4 Allen Park entrance threatened and West boat ramp is submerged.
460.8 River Rescue emergency boat dock is submerged. Ottawa High School begins flood fighting.
Photos
(1) Gage equipment located on top of levee near mouth of Fox River.
(2) Levee at Ottawa High School.
(3) Looking downstream from atop levee 9/3/2009. Gage height 459.80 ft.
(4) Looking upstream from atop levee 9/3/2009. Gage height 459.80 ft.
About This Location Collapse

Latitude: 41.344444° N, Longitude: 88.839167° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 463 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

Additional Information Collapse
How much forecast precipitation was used for the current river forecast?
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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Chicago Weather Forecast Office
333 W. University Dr.
Romeoville, IL 60446
(815) 834-1435
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Page last modified: 13-Aug-2015 1:56 AM
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