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Hydrograph River at a Glance Download
Chicago Sanitary and Ship Canal at Chicago (Western Ave) Stage (ft)Observed: -2.05 ft at 6:10AM Jan 18, 2022Observed: -2 ft at 6:20AM Jan 18, 2022Observed: -2 ft at 6:30AM Jan 18, 2022Observed: -2.08 ft at 6:40AM Jan 18, 2022Observed: -1.99 ft at 6:50AM Jan 18, 2022Observed: -2.02 ft at 7:00AM Jan 18, 2022Observed: -2.02 ft at 7:10AM Jan 18, 2022Observed: -2 ft at 7:20AM Jan 18, 2022Observed: -2.02 ft at 7:30AM Jan 18, 2022Observed: -2.03 ft at 7:40AM Jan 18, 2022Observed: -1.98 ft at 7:50AM Jan 18, 2022Observed: -2.04 ft at 8:00AM Jan 18, 2022Observed: -2.09 ft at 8:10AM Jan 18, 2022Observed: -2.14 ft at 8:20AM Jan 18, 2022Observed: -2.12 ft at 8:30AM Jan 18, 2022Observed: -2.09 ft at 8:40AM Jan 18, 2022Observed: -2.09 ft at 8:50AM Jan 18, 2022Observed: -2.01 ft at 9:00AM Jan 18, 2022Observed: -2.03 ft at 9:10AM Jan 18, 2022Observed: -2.05 ft at 9:20AM Jan 18, 2022Observed: -2.1 ft at 9:30AM Jan 18, 2022Observed: -2.07 ft at 9:40AM Jan 18, 2022Observed: -2.06 ft at 9:50AM Jan 18, 2022Observed: -2.06 ft at 10:00AM Jan 18, 2022Observed: -2.06 ft at 10:10AM Jan 18, 2022Observed: -2.04 ft at 10:20AM Jan 18, 2022Observed: -2.09 ft at 10:30AM Jan 18, 2022Observed: -2.07 ft at 10:40AM Jan 18, 2022Observed: -2.04 ft at 10:50AM Jan 18, 2022Observed: -2.11 ft at 11:00AM Jan 18, 2022Observed: -2.15 ft at 11:10AM Jan 18, 2022Observed: -2.09 ft at 11:20AM Jan 18, 2022Observed: -2.08 ft at 11:30AM Jan 18, 2022Observed: -2.1 ft at 11:40AM Jan 18, 2022Observed: -2.05 ft at 11:50AM Jan 18, 2022Observed: -2.04 ft at 12:00PM Jan 18, 2022Observed: -2.08 ft at 12:10PM Jan 18, 2022Observed: -2.18 ft at 12:20PM Jan 18, 2022Observed: -2.19 ft at 12:30PM Jan 18, 2022Observed: -2.13 ft at 12:40PM Jan 18, 2022Observed: -2.11 ft at 12:50PM Jan 18, 2022Observed: -2.11 ft at 1:00PM Jan 18, 2022Observed: -2.02 ft at 1:10PM Jan 18, 2022Observed: -2.07 ft at 1:20PM Jan 18, 2022Observed: -2.12 ft at 1:30PM Jan 18, 2022Observed: -2.13 ft at 1:40PM Jan 18, 2022Observed: -2.16 ft at 1:50PM Jan 18, 2022Observed: -2.21 ft at 2:00PM Jan 18, 2022Observed: -2.16 ft at 2:10PM Jan 18, 2022Observed: -2.14 ft at 2:20PM Jan 18, 2022Observed: -2.1 ft at 2:30PM Jan 18, 2022Observed: -2.12 ft at 2:40PM Jan 18, 2022Observed: -2.21 ft at 2:50PM Jan 18, 2022Observed: -2.16 ft at 3:00PM Jan 18, 2022Observed: -2.18 ft at 3:10PM Jan 18, 2022Observed: -2.19 ft at 3:20PM Jan 18, 2022Observed: -2.1 ft at 3:30PM Jan 18, 2022Observed: -2.08 ft at 3:40PM Jan 18, 2022Observed: -2.1 ft at 3:50PM Jan 18, 2022Observed: -2.11 ft at 4:00PM Jan 18, 2022Observed: -2.13 ft at 4:10PM Jan 18, 2022Observed: -2.13 ft at 4:20PM Jan 18, 2022Observed: -2.12 ft at 4:30PM Jan 18, 2022Observed: -2.2 ft at 4:40PM Jan 18, 2022Observed: -2.22 ft at 4:50PM Jan 18, 2022Observed: -2.2 ft at 5:00PM Jan 18, 2022Observed: -2.18 ft at 5:10PM Jan 18, 2022Observed: -2.18 ft at 5:20PM Jan 18, 2022Observed: -2.09 ft at 5:30PM Jan 18, 2022Observed: -2.12 ft at 5:40PM Jan 18, 2022Observed: -2.15 ft at 5:50PM Jan 18, 2022Observed: -2.19 ft at 6:00PM Jan 18, 2022Observed: -2.19 ft at 6:10PM Jan 18, 2022Observed: -2.27 ft at 6:20PM Jan 18, 2022Observed: -2.25 ft at 6:30PM Jan 18, 2022Observed: -2.22 ft at 6:40PM Jan 18, 2022Observed: -2.18 ft at 6:50PM Jan 18, 2022Observed: -2.21 ft at 7:00PM Jan 18, 2022Observed: -2.18 ft at 7:10PM Jan 18, 2022Observed: -2.15 ft at 7:20PM Jan 18, 2022Observed: -2.16 ft at 7:30PM Jan 18, 2022Observed: -2.2 ft at 7:40PM Jan 18, 2022Observed: -2.15 ft at 7:50PM Jan 18, 2022Observed: -2.15 ft at 8:00PM Jan 18, 2022Observed: -2.17 ft at 8:10PM Jan 18, 2022Observed: -2.18 ft at 8:20PM Jan 18, 2022Observed: -2.24 ft at 8:30PM Jan 18, 2022Observed: -2.27 ft at 8:40PM Jan 18, 2022Observed: -2.24 ft at 8:50PM Jan 18, 2022Observed: -2.2 ft at 9:00PM Jan 18, 2022Observed: -2.18 ft at 9:10PM Jan 18, 2022Observed: -2.14 ft at 9:20PM Jan 18, 2022Observed: -2.15 ft at 9:30PM Jan 18, 2022Observed: -2.15 ft at 9:40PM Jan 18, 2022Observed: -2.26 ft at 9:50PM Jan 18, 2022Observed: -2.29 ft at 10:00PM Jan 18, 2022Observed: -2.2 ft at 10:10PM Jan 18, 2022Observed: -2.2 ft at 10:20PM Jan 18, 2022Observed: -2.17 ft at 10:30PM Jan 18, 2022Observed: -2.07 ft at 10:40PM Jan 18, 2022Observed: -2.1 ft at 10:50PM Jan 18, 2022Observed: -2.11 ft at 11:00PM Jan 18, 2022Observed: -2.13 ft at 11:10PM Jan 18, 2022Observed: -2.22 ft at 11:20PM Jan 18, 2022Observed: -2.19 ft at 11:30PM Jan 18, 2022Observed: -2.16 ft at 11:40PM Jan 18, 2022Observed: -2.16 ft at 11:50PM Jan 18, 2022Observed: -2.09 ft at 12:00AM Jan 19, 2022Observed: -2.09 ft at 12:10AM Jan 19, 2022Observed: -2.08 ft at 12:20AM Jan 19, 2022Observed: -2.08 ft at 12:30AM Jan 19, 2022Observed: -2.11 ft at 12:40AM Jan 19, 2022Observed: -2.07 ft at 12:50AM Jan 19, 2022Observed: -2.07 ft at 1:00AM Jan 19, 2022Observed: -2.08 ft at 1:10AM Jan 19, 2022Observed: -2.04 ft at 1:20AM Jan 19, 2022Observed: -2.06 ft at 1:30AM Jan 19, 2022Observed: -2.16 ft at 1:40AM Jan 19, 2022Observed: -2.15 ft at 1:50AM Jan 19, 2022Observed: -2.12 ft at 2:00AM Jan 19, 2022Observed: -2.12 ft at 2:10AM Jan 19, 2022Observed: -2.11 ft at 2:20AM Jan 19, 2022Observed: -2.04 ft at 2:30AM Jan 19, 2022Observed: -2.04 ft at 2:40AM Jan 19, 2022Observed: -2.08 ft at 2:50AM Jan 19, 2022Observed: -2.1 ft at 3:00AM Jan 19, 2022Observed: -2.08 ft at 3:10AM Jan 19, 2022Observed: -2.11 ft at 3:20AM Jan 19, 2022Observed: -2.1 ft at 3:30AM Jan 19, 2022Observed: -2.09 ft at 3:40AM Jan 19, 2022Observed: -2.02 ft at 3:50AM Jan 19, 2022Observed: -2.06 ft at 4:00AM Jan 19, 2022Observed: -2.04 ft at 4:10AM Jan 19, 2022Observed: -1.98 ft at 4:20AM Jan 19, 2022Observed: -2.03 ft at 4:30AM Jan 19, 2022Observed: -2.12 ft at 4:40AM Jan 19, 2022Observed: -2.14 ft at 4:50AM Jan 19, 2022Observed: -2.09 ft at 5:00AM Jan 19, 2022Observed: -2.05 ft at 5:10AM Jan 19, 2022Observed: -2.04 ft at 5:20AM Jan 19, 2022Observed: -1.94 ft at 5:30AM Jan 19, 2022Observed: -1.94 ft at 5:40AM Jan 19, 2022Observed: -2 ft at 5:50AM Jan 19, 2022Observed: -2.02 ft at 6:00AM Jan 19, 2022Observed: -1.95 ft at 6:10AM Jan 19, 2022Observed: -1.97 ft at 6:20AM Jan 19, 2022Observed: -1.96 ft at 6:30AM Jan 19, 2022Observed: -1.91 ft at 6:40AM Jan 19, 2022Observed: -1.92 ft at 6:50AM Jan 19, 2022Observed: -1.96 ft at 7:00AM Jan 19, 2022Observed: -1.96 ft at 7:10AM Jan 19, 2022Observed: -1.93 ft at 7:20AM Jan 19, 2022Observed: -1.92 ft at 7:30AM Jan 19, 2022Observed: -1.94 ft at 7:40AM Jan 19, 2022Observed: -1.97 ft at 7:50AM Jan 19, 2022Observed: -2.01 ft at 8:00AM Jan 19, 2022Observed: -2 ft at 8:10AM Jan 19, 2022Observed: -1.99 ft at 8:20AM Jan 19, 2022Observed: -1.96 ft at 8:30AM Jan 19, 2022Observed: -1.92 ft at 8:40AM Jan 19, 2022Observed: -1.93 ft at 8:50AM Jan 19, 2022Observed: -1.96 ft at 9:00AM Jan 19, 2022Observed: -2 ft at 9:10AM Jan 19, 2022Observed: -1.99 ft at 9:20AM Jan 19, 2022Observed: -1.97 ft at 9:30AM Jan 19, 2022Observed: -1.98 ft at 9:40AM Jan 19, 2022Observed: -1.97 ft at 9:50AM Jan 19, 2022Observed: -1.95 ft at 10:00AM Jan 19, 2022Observed: -1.99 ft at 10:10AM Jan 19, 2022Observed: -2 ft at 10:20AM Jan 19, 2022Observed: -1.97 ft at 10:30AM Jan 19, 2022Observed: -1.98 ft at 10:40AM Jan 19, 2022Observed: -1.98 ft at 10:50AM Jan 19, 2022Observed: -1.97 ft at 11:00AM Jan 19, 2022Observed: -1.93 ft at 11:10AM Jan 19, 2022Observed: -1.92 ft at 11:20AM Jan 19, 2022Observed: -1.91 ft at 11:30AM Jan 19, 2022Observed: -1.91 ft at 11:40AM Jan 19, 2022Observed: -1.92 ft at 11:50AM Jan 19, 2022Observed: -1.94 ft at 12:00PM Jan 19, 2022Observed: -1.95 ft at 12:10PM Jan 19, 2022Observed: -1.93 ft at 12:20PM Jan 19, 2022Observed: -1.92 ft at 12:30PM Jan 19, 2022Observed: -1.92 ft at 12:40PM Jan 19, 2022Observed: -1.95 ft at 12:50PM Jan 19, 2022Observed: -2.04 ft at 1:00PM Jan 19, 2022Observed: -2.02 ft at 1:10PM Jan 19, 2022Observed: -2 ft at 1:20PM Jan 19, 2022Observed: -2.01 ft at 1:30PM Jan 19, 2022Observed: -1.94 ft at 1:40PM Jan 19, 2022Observed: -1.93 ft at 1:50PM Jan 19, 2022Observed: -1.94 ft at 2:00PM Jan 19, 2022Observed: -1.97 ft at 2:10PM Jan 19, 2022Observed: -1.96 ft at 2:20PM Jan 19, 2022Observed: -1.95 ft at 2:30PM Jan 19, 2022Observed: -1.95 ft at 2:40PM Jan 19, 2022Observed: -1.97 ft at 2:50PM Jan 19, 2022Observed: -1.92 ft at 3:00PM Jan 19, 2022Observed: -1.95 ft at 3:10PM Jan 19, 2022Observed: -1.95 ft at 3:20PM Jan 19, 2022Observed: -1.91 ft at 3:30PM Jan 19, 2022Observed: -1.91 ft at 3:40PM Jan 19, 2022Observed: -1.92 ft at 3:50PM Jan 19, 2022Observed: -1.93 ft at 4:00PM Jan 19, 2022Observed: -1.92 ft at 4:10PM Jan 19, 2022Observed: -1.91 ft at 4:20PM Jan 19, 2022Observed: -1.95 ft at 4:30PM Jan 19, 2022Observed: -2.02 ft at 4:40PM Jan 19, 2022Observed: -1.99 ft at 4:50PM Jan 19, 2022Observed: -1.98 ft at 5:00PM Jan 19, 2022Observed: -1.98 ft at 5:10PM Jan 19, 2022Observed: -1.94 ft at 5:20PM Jan 19, 2022Observed: -1.9 ft at 5:30PM Jan 19, 2022Observed: -1.94 ft at 5:40PM Jan 19, 2022Observed: -1.96 ft at 5:50PM Jan 19, 2022Observed: -1.98 ft at 6:00PM Jan 19, 2022Observed: -1.94 ft at 6:10PM Jan 19, 2022Observed: -2.02 ft at 6:20PM Jan 19, 2022Observed: -2.08 ft at 6:30PM Jan 19, 2022Observed: -2.01 ft at 6:40PM Jan 19, 2022Observed: -2.02 ft at 6:50PM Jan 19, 2022Observed: -2.03 ft at 7:00PM Jan 19, 2022Observed: -1.96 ft at 7:10PM Jan 19, 2022Observed: -1.93 ft at 7:20PM Jan 19, 2022Observed: -2.05 ft at 7:30PM Jan 19, 2022Observed: -2.06 ft at 7:40PM Jan 19, 2022Observed: -2.04 ft at 7:50PM Jan 19, 2022Observed: -1.99 ft at 8:00PM Jan 19, 2022Observed: -1.99 ft at 8:10PM Jan 19, 2022Observed: -1.93 ft at 8:20PM Jan 19, 2022Observed: -1.93 ft at 8:30PM Jan 19, 2022Observed: -1.99 ft at 8:40PM Jan 19, 2022Observed: -2.01 ft at 8:50PM Jan 19, 2022Observed: -1.96 ft at 9:00PM Jan 19, 2022Observed: -1.93 ft at 9:10PM Jan 19, 2022Observed: -1.96 ft at 9:20PM Jan 19, 2022Observed: -2 ft at 9:30PM Jan 19, 2022Observed: -2.03 ft at 9:40PM Jan 19, 2022Observed: -2.02 ft at 9:50PM Jan 19, 2022Observed: -2.01 ft at 10:00PM Jan 19, 2022Observed: -1.97 ft at 10:10PM Jan 19, 2022Observed: -1.93 ft at 10:20PM Jan 19, 2022Observed: -1.95 ft at 10:30PM Jan 19, 2022Observed: -1.97 ft at 10:40PM Jan 19, 2022Observed: -1.97 ft at 10:50PM Jan 19, 2022Observed: -1.95 ft at 11:00PM Jan 19, 2022Observed: -1.95 ft at 11:10PM Jan 19, 2022Observed: -1.96 ft at 11:20PM Jan 19, 2022Observed: -1.98 ft at 11:30PM Jan 19, 2022Observed: -1.96 ft at 11:40PM Jan 19, 2022Observed: -2 ft at 11:50PM Jan 19, 2022Observed: -1.98 ft at 12:00AM Jan 20, 2022Observed: -1.94 ft at 12:10AM Jan 20, 2022Observed: -1.94 ft at 12:20AM Jan 20, 2022Observed: -1.96 ft at 12:30AM Jan 20, 2022Observed: -1.95 ft at 12:40AM Jan 20, 2022Observed: -1.93 ft at 12:50AM Jan 20, 2022Observed: -1.96 ft at 1:00AM Jan 20, 2022Observed: -1.97 ft at 1:10AM Jan 20, 2022Observed: -1.95 ft at 1:20AM Jan 20, 2022Observed: -1.96 ft at 1:30AM Jan 20, 2022Observed: -1.97 ft at 1:40AM Jan 20, 2022Observed: -1.95 ft at 1:50AM Jan 20, 2022Observed: -1.93 ft at 2:00AM Jan 20, 2022Observed: -1.93 ft at 2:10AM Jan 20, 2022Observed: -1.93 ft at 2:20AM Jan 20, 2022Observed: -1.93 ft at 2:30AM Jan 20, 2022Observed: -1.93 ft at 2:40AM Jan 20, 2022Observed: -1.95 ft at 2:50AM Jan 20, 2022Observed: -1.97 ft at 3:00AM Jan 20, 2022Observed: -1.95 ft at 3:10AM Jan 20, 2022Observed: -1.96 ft at 3:20AM Jan 20, 2022Observed: -1.94 ft at 3:30AM Jan 20, 2022Observed: -1.96 ft at 3:40AM Jan 20, 2022Observed: -2.01 ft at 3:50AM Jan 20, 2022Observed: -2.06 ft at 4:00AM Jan 20, 2022Observed: -2.02 ft at 4:10AM Jan 20, 2022Observed: -1.98 ft at 4:20AM Jan 20, 2022Observed: -1.99 ft at 4:30AM Jan 20, 2022Observed: -1.93 ft at 4:40AM Jan 20, 2022Observed: -1.94 ft at 4:50AM Jan 20, 2022Observed: -1.78 ft at 5:00AM Jan 20, 2022Observed: -1.99 ft at 5:10AM Jan 20, 2022Observed: -1.93 ft at 5:20AM Jan 20, 2022Observed: -1.92 ft at 5:30AM Jan 20, 2022Observed: -2 ft at 5:40AM Jan 20, 2022Observed: -1.94 ft at 5:50AM Jan 20, 2022Observed: -1.81 ft at 6:00AM Jan 20, 2022Observed: -1.82 ft at 6:10AM Jan 20, 2022Observed: -1.93 ft at 6:20AM Jan 20, 2022Observed: -1.84 ft at 6:30AM Jan 20, 2022Observed: -1.94 ft at 6:40AM Jan 20, 2022Observed: -1.93 ft at 6:50AM Jan 20, 2022Observed: -1.87 ft at 7:00AM Jan 20, 2022Observed: -1.93 ft at 7:10AM Jan 20, 2022Observed: -1.94 ft at 7:20AM Jan 20, 2022Observed: -1.99 ft at 7:30AM Jan 20, 2022Observed: -2.04 ft at 7:40AM Jan 20, 2022Observed: -2 ft at 7:50AM Jan 20, 2022Observed: -1.96 ft at 8:00AM Jan 20, 2022Observed: -1.98 ft at 8:10AM Jan 20, 2022Observed: -1.92 ft at 8:20AM Jan 20, 2022Observed: -1.94 ft at 8:30AM Jan 20, 2022Observed: -1.96 ft at 8:40AM Jan 20, 2022Observed: -1.92 ft at 8:50AM Jan 20, 2022Observed: -1.86 ft at 9:00AM Jan 20, 2022Observed: -1.85 ft at 9:10AM Jan 20, 2022Observed: -1.85 ft at 9:20AM Jan 20, 2022Observed: -1.83 ft at 9:30AM Jan 20, 2022Observed: -1.82 ft at 9:40AM Jan 20, 2022Observed: -1.85 ft at 9:50AM Jan 20, 2022Observed: -1.87 ft at 10:00AM Jan 20, 2022Observed: -1.86 ft at 10:10AM Jan 20, 2022Observed: -1.88 ft at 10:20AM Jan 20, 2022Observed: -1.9 ft at 10:30AM Jan 20, 2022Observed: -1.89 ft at 10:40AM Jan 20, 2022Observed: -1.89 ft at 10:50AM Jan 20, 2022Observed: -1.84 ft at 11:00AM Jan 20, 2022Observed: -1.79 ft at 11:10AM Jan 20, 2022Observed: -1.79 ft at 11:20AM Jan 20, 2022Observed: -1.91 ft at 11:30AM Jan 20, 2022Observed: -1.97 ft at 11:40AM Jan 20, 2022Observed: -2 ft at 11:50AM Jan 20, 2022Observed: -1.96 ft at 12:00PM Jan 20, 2022Observed: -1.89 ft at 12:10PM Jan 20, 2022Observed: -1.91 ft at 12:20PM Jan 20, 2022Observed: -1.88 ft at 12:30PM Jan 20, 2022Observed: -1.89 ft at 12:40PM Jan 20, 2022Observed: -1.93 ft at 12:50PM Jan 20, 2022Observed: -1.91 ft at 1:00PM Jan 20, 2022Observed: -1.89 ft at 1:10PM Jan 20, 2022Observed: -1.95 ft at 1:20PM Jan 20, 2022Observed: -2.04 ft at 1:30PM Jan 20, 2022Observed: -1.97 ft at 1:40PM Jan 20, 2022Observed: -1.97 ft at 1:50PM Jan 20, 2022Observed: -1.98 ft at 2:00PM Jan 20, 2022Observed: -1.89 ft at 2:10PM Jan 20, 2022Observed: -1.97 ft at 2:20PM Jan 20, 2022Observed: -2.02 ft at 2:30PM Jan 20, 2022Observed: -2 ft at 2:40PM Jan 20, 2022Observed: -1.99 ft at 2:50PM Jan 20, 2022Observed: -1.94 ft at 3:00PM Jan 20, 2022Observed: -1.89 ft at 3:10PM Jan 20, 2022Observed: -1.81 ft at 3:20PM Jan 20, 2022Observed: -1.91 ft at 3:30PM Jan 20, 2022Observed: -1.95 ft at 3:40PM Jan 20, 2022Observed: -1.94 ft at 3:50PM Jan 20, 2022Observed: -1.94 ft at 4:00PM Jan 20, 2022Observed: -1.89 ft at 4:10PM Jan 20, 2022Observed: -1.89 ft at 4:20PM Jan 20, 2022Observed: -1.92 ft at 4:30PM Jan 20, 2022Observed: -1.91 ft at 4:40PM Jan 20, 2022Observed: -1.94 ft at 4:50PM Jan 20, 2022Observed: -1.91 ft at 5:00PM Jan 20, 2022Observed: -1.88 ft at 5:10PM Jan 20, 2022Observed: -1.89 ft at 5:20PM Jan 20, 2022Observed: -1.92 ft at 5:30PM Jan 20, 2022Observed: -1.9 ft at 5:40PM Jan 20, 2022Observed: -1.92 ft at 5:50PM Jan 20, 2022Observed: -1.9 ft at 6:00PM Jan 20, 2022Observed: -1.9 ft at 6:10PM Jan 20, 2022Observed: -1.96 ft at 6:20PM Jan 20, 2022Observed: -1.99 ft at 6:30PM Jan 20, 2022Observed: -1.95 ft at 6:40PM Jan 20, 2022Observed: -1.94 ft at 6:50PM Jan 20, 2022Observed: -1.91 ft at 7:00PM Jan 20, 2022Observed: -1.84 ft at 7:10PM Jan 20, 2022Observed: -1.87 ft at 7:20PM Jan 20, 2022Observed: -1.9 ft at 7:30PM Jan 20, 2022Observed: -1.84 ft at 7:40PM Jan 20, 2022Observed: -1.85 ft at 7:50PM Jan 20, 2022Observed: -1.87 ft at 8:00PM Jan 20, 2022Observed: -1.86 ft at 8:10PM Jan 20, 2022Observed: -1.88 ft at 8:20PM Jan 20, 2022Observed: -1.88 ft at 8:30PM Jan 20, 2022Observed: -1.85 ft at 8:40PM Jan 20, 2022Observed: -1.91 ft at 8:50PM Jan 20, 2022Observed: -1.88 ft at 9:00PM Jan 20, 2022Observed: -1.85 ft at 9:10PM Jan 20, 2022Observed: -1.88 ft at 9:20PM Jan 20, 2022Observed: -1.85 ft at 9:30PM Jan 20, 2022Observed: -1.86 ft at 9:40PM Jan 20, 2022Observed: -1.94 ft at 9:50PM Jan 20, 2022Observed: -1.81 ft at 10:00PM Jan 20, 2022Observed: -1.9 ft at 10:10PM Jan 20, 2022Observed: -1.89 ft at 10:20PM Jan 20, 2022Observed: -1.89 ft at 10:30PM Jan 20, 2022Observed: -1.9 ft at 10:40PM Jan 20, 2022Observed: -1.86 ft at 10:50PM Jan 20, 2022Observed: -1.88 ft at 11:00PM Jan 20, 2022Observed: -1.92 ft at 11:10PM Jan 20, 2022Observed: -1.88 ft at 11:20PM Jan 20, 2022Observed: -2.01 ft at 11:30PM Jan 20, 2022Observed: -2 ft at 11:40PM Jan 20, 2022Observed: -1.84 ft at 11:50PM Jan 20, 2022Observed: -1.9 ft at 12:00AM Jan 21, 2022Observed: -1.94 ft at 12:10AM Jan 21, 2022Observed: -1.88 ft at 12:20AM Jan 21, 2022Observed: -1.94 ft at 12:30AM Jan 21, 2022Observed: -1.96 ft at 12:40AM Jan 21, 2022Observed: -1.92 ft at 12:50AM Jan 21, 2022Observed: -1.94 ft at 1:00AM Jan 21, 2022Observed: -1.96 ft at 1:10AM Jan 21, 2022Observed: -2.02 ft at 1:20AM Jan 21, 2022Observed: -2.02 ft at 1:30AM Jan 21, 2022Observed: -1.96 ft at 1:40AM Jan 21, 2022Observed: -1.86 ft at 1:50AM Jan 21, 2022Observed: -1.88 ft at 2:00AM Jan 21, 2022Observed: -1.88 ft at 2:10AM Jan 21, 2022Observed: -1.89 ft at 2:20AM Jan 21, 2022Observed: -1.99 ft at 2:30AM Jan 21, 2022Observed: -1.96 ft at 2:40AM Jan 21, 2022Observed: -1.9 ft at 2:50AM Jan 21, 2022Observed: -1.95 ft at 3:00AM Jan 21, 2022Observed: -1.93 ft at 3:10AM Jan 21, 2022Observed: -1.93 ft at 3:20AM Jan 21, 2022Observed: -1.96 ft at 3:30AM Jan 21, 2022Observed: -1.85 ft at 3:40AM Jan 21, 2022Observed: -1.9 ft at 3:50AM Jan 21, 2022Observed: -2.01 ft at 4:00AM Jan 21, 2022Observed: -1.93 ft at 4:10AM Jan 21, 2022Observed: -2.01 ft at 4:20AM Jan 21, 2022Observed: -2.04 ft at 4:30AM Jan 21, 2022Observed: -1.9 ft at 4:40AM Jan 21, 2022Observed: -1.96 ft at 4:50AM Jan 21, 2022Observed: -1.97 ft at 5:00AM Jan 21, 2022Observed: -1.98 ft at 5:10AM Jan 21, 2022Observed: -2 ft at 5:20AM Jan 21, 2022Observed: -1.99 ft at 5:30AM Jan 21, 2022Observed: -1.94 ft at 5:40AM Jan 21, 2022Observed: -1.85 ft at 5:50AM Jan 21, 2022Observed: -1.94 ft at 6:00AM Jan 21, 2022Observed: -1.95 ft at 6:10AM Jan 21, 2022Observed: -2.04 ft at 6:20AM Jan 21, 2022Observed: -2.14 ft at 6:30AM Jan 21, 2022Observed: -2.03 ft at 6:40AM Jan 21, 2022Observed: -2.04 ft at 6:50AM Jan 21, 2022Observed: -2.07 ft at 7:00AM Jan 21, 2022Observed: -1.96 ft at 7:10AM Jan 21, 2022Observed: -2.01 ft at 7:20AM Jan 21, 2022Observed: -2.03 ft at 7:30AM Jan 21, 2022Observed: -2.02 ft at 7:40AM Jan 21, 2022Observed: -2.03 ft at 7:50AM Jan 21, 2022Observed: -2.03 ft at 8:00AM Jan 21, 2022Observed: -2.03 ft at 8:10AM Jan 21, 2022Observed: -2.06 ft at 8:20AM Jan 21, 2022Observed: -2.01 ft at 8:30AM Jan 21, 2022Observed: -2.02 ft at 8:40AM Jan 21, 2022Observed: -1.88 ft at 8:50AM Jan 21, 2022Observed: -1.98 ft at 9:00AM Jan 21, 2022Observed: -2.02 ft at 9:10AM Jan 21, 2022Observed: -2.11 ft at 9:20AM Jan 21, 2022Observed: -2.12 ft at 9:30AM Jan 21, 2022Observed: -2.01 ft at 9:40AM Jan 21, 2022Observed: -2 ft at 9:50AM Jan 21, 2022Observed: -2.01 ft at 10:00AM Jan 21, 2022Observed: -2 ft at 10:10AM Jan 21, 2022Observed: -2.05 ft at 10:20AM Jan 21, 2022Observed: -2.12 ft at 10:30AM Jan 21, 2022Observed: -2.05 ft at 10:40AM Jan 21, 2022Observed: -2.08 ft at 10:50AM Jan 21, 2022Observed: -2.05 ft at 11:00AM Jan 21, 2022Observed: -2.08 ft at 11:10AM Jan 21, 2022Observed: -2.05 ft at 11:20AM Jan 21, 2022Observed: -2.08 ft at 11:30AM Jan 21, 2022Observed: -2.16 ft at 11:40AM Jan 21, 2022Observed: -2.15 ft at 11:50AM Jan 21, 2022Observed: -2.13 ft at 12:00PM Jan 21, 2022Observed: -2.12 ft at 12:10PM Jan 21, 2022Observed: -2.14 ft at 12:20PM Jan 21, 2022Observed: -2.07 ft at 12:30PM Jan 21, 2022Observed: -2.08 ft at 12:40PM Jan 21, 2022Observed: -2.1 ft at 12:50PM Jan 21, 2022Observed: -2.13 ft at 1:00PM Jan 21, 2022Observed: -2.09 ft at 1:10PM Jan 21, 2022Observed: -2.1 ft at 1:20PM Jan 21, 2022Observed: -1.99 ft at 1:30PM Jan 21, 2022Observed: -2.1 ft at 1:40PM Jan 21, 2022Observed: -2.06 ft at 1:50PM Jan 21, 2022Observed: -2.08 ft at 2:00PM Jan 21, 2022Observed: -2.16 ft at 2:10PM Jan 21, 2022Observed: -2.09 ft at 2:20PM Jan 21, 2022Observed: -2.09 ft at 2:30PM Jan 21, 2022Observed: -2.15 ft at 2:40PM Jan 21, 2022Observed: -2.12 ft at 2:50PM Jan 21, 2022Observed: -2.1 ft at 3:00PM Jan 21, 2022Observed: -2.13 ft at 3:10PM Jan 21, 2022Observed: -2.18 ft at 3:20PM Jan 21, 2022Observed: -2.22 ft at 3:30PM Jan 21, 2022Observed: -2.2 ft at 3:40PM Jan 21, 2022Observed: -2.2 ft at 3:50PM Jan 21, 2022Observed: -2.19 ft at 4:00PM Jan 21, 2022Observed: -2.1 ft at 4:10PM Jan 21, 2022Observed: -2.11 ft at 4:20PM Jan 21, 2022Observed: -2.13 ft at 4:30PM Jan 21, 2022Observed: -2.26 ft at 4:40PM Jan 21, 2022Observed: -2.26 ft at 4:50PM Jan 21, 2022Observed: -2.23 ft at 5:00PM Jan 21, 2022Observed: -2.21 ft at 5:10PM Jan 21, 2022Observed: -2.19 ft at 5:20PM Jan 21, 2022Observed: -2.1 ft at 5:30PM Jan 21, 2022Observed: -2.15 ft at 5:40PM Jan 21, 2022Observed: -2.05 ft at 5:50PM Jan 21, 2022Observed: -2.07 ft at 6:00PM Jan 21, 2022Observed: -2.13 ft at 6:10PM Jan 21, 2022Observed: -2.1 ft at 6:20PM Jan 21, 2022Observed: -2.26 ft at 6:30PM Jan 21, 2022Observed: -2.28 ft at 6:40PM Jan 21, 2022Observed: -2.16 ft at 6:50PM Jan 21, 2022Observed: -2.23 ft at 7:00PM Jan 21, 2022Observed: -2.22 ft at 7:10PM Jan 21, 2022Observed: -2.1 ft at 7:20PM Jan 21, 2022Observed: -2.16 ft at 7:30PM Jan 21, 2022Observed: -2.17 ft at 7:40PM Jan 21, 2022Observed: -2.19 ft at 7:50PM Jan 21, 2022Observed: -2.17 ft at 8:00PM Jan 21, 2022Observed: -2.2 ft at 8:10PM Jan 21, 2022Observed: -2.19 ft at 8:20PM Jan 21, 2022Observed: -2.16 ft at 8:30PM Jan 21, 2022Observed: -2.09 ft at 8:40PM Jan 21, 2022Observed: -2.21 ft at 8:50PM Jan 21, 2022Observed: -2.17 ft at 9:00PM Jan 21, 2022Observed: -2.16 ft at 9:10PM Jan 21, 2022Observed: -2.18 ft at 9:20PM Jan 21, 2022Observed: -2.18 ft at 9:30PM Jan 21, 2022Observed: -2.25 ft at 9:40PM Jan 21, 2022Observed: -2.25 ft at 9:50PM Jan 21, 2022Observed: -2.23 ft at 10:00PM Jan 21, 2022Observed: -2.2 ft at 10:10PM Jan 21, 2022Observed: -2.2 ft at 10:20PM Jan 21, 2022Observed: -2.15 ft at 10:30PM Jan 21, 2022Observed: -2.06 ft at 10:40PM Jan 21, 2022Observed: -2.19 ft at 10:50PM Jan 21, 2022Observed: -2.18 ft at 11:00PM Jan 21, 2022Observed: -2.13 ft at 11:10PM Jan 21, 2022Observed: -2.21 ft at 11:20PM Jan 21, 2022Observed: -2.16 ft at 11:30PM Jan 21, 2022Observed: -2.11 ft at 11:40PM Jan 21, 2022Observed: -2.18 ft at 11:50PM Jan 21, 2022Observed: -2.17 ft at 12:00AM Jan 22, 2022Observed: -2.16 ft at 12:10AM Jan 22, 2022Observed: -2.19 ft at 12:20AM Jan 22, 2022Observed: -2.26 ft at 12:30AM Jan 22, 2022Observed: -2.17 ft at 12:40AM Jan 22, 2022Observed: -2.2 ft at 12:50AM Jan 22, 2022Observed: -2.2 ft at 1:00AM Jan 22, 2022Observed: -2.18 ft at 1:10AM Jan 22, 2022Observed: -2.16 ft at 1:20AM Jan 22, 2022Observed: -2.17 ft at 1:30AM Jan 22, 2022Observed: -2.18 ft at 1:40AM Jan 22, 2022Observed: -2.24 ft at 1:50AM Jan 22, 2022Observed: -2.18 ft at 2:00AM Jan 22, 2022Observed: -2.18 ft at 2:10AM Jan 22, 2022Observed: -2.23 ft at 2:20AM Jan 22, 2022Observed: -2.13 ft at 2:30AM Jan 22, 2022Observed: -2.17 ft at 2:40AM Jan 22, 2022Observed: -2.18 ft at 2:50AM Jan 22, 2022Observed: -2.18 ft at 3:00AM Jan 22, 2022Observed: -2.17 ft at 3:10AM Jan 22, 2022Observed: -2.17 ft at 3:20AM Jan 22, 2022Observed: -2.2 ft at 3:30AM Jan 22, 2022Observed: -2.28 ft at 3:40AM Jan 22, 2022Observed: -2.23 ft at 3:50AM Jan 22, 2022Observed: -2.22 ft at 4:00AM Jan 22, 2022Observed: -2.22 ft at 4:10AM Jan 22, 2022Observed: -2.18 ft at 4:20AM Jan 22, 2022Observed: -2.24 ft at 4:30AM Jan 22, 2022Observed: -2.3 ft at 4:40AM Jan 22, 2022Observed: -2.26 ft at 4:50AM Jan 22, 2022Observed: -2.25 ft at 5:00AM Jan 22, 2022Observed: -2.22 ft at 5:10AM Jan 22, 2022Observed: -2.16 ft at 5:20AM Jan 22, 2022Observed: -2.2 ft at 5:30AM Jan 22, 2022Observed: -2.31 ft at 5:40AM Jan 22, 2022Observed: -2.3 ft at 5:50AM Jan 22, 2022Observed: -2.25 ft at 6:00AM Jan 22, 2022Observed: -2.2 ft at 6:10AM Jan 22, 2022Observed: -2.22 ft at 6:20AM Jan 22, 2022Observed: -2.15 ft at 6:30AM Jan 22, 2022Observed: -2.19 ft at 6:40AM Jan 22, 2022Observed: -2.23 ft at 6:50AM Jan 22, 2022Observed: -2.22 ft at 7:00AM Jan 22, 2022Observed: -2.2 ft at 7:10AM Jan 22, 2022Observed: -2.28 ft at 7:20AM Jan 22, 2022Observed: -2.32 ft at 7:30AM Jan 22, 2022Observed: -2.28 ft at 7:40AM Jan 22, 2022Observed: -2.26 ft at 7:50AM Jan 22, 2022Observed: -2.28 ft at 8:00AM Jan 22, 2022Observed: -2.18 ft at 8:10AM Jan 22, 2022Observed: -2.18 ft at 8:20AM Jan 22, 2022Observed: -2.22 ft at 8:30AM Jan 22, 2022Observed: -2.26 ft at 8:40AM Jan 22, 2022Observed: -2.26 ft at 8:50AM Jan 22, 2022Observed: -2.26 ft at 9:00AM Jan 22, 2022Observed: -2.22 ft at 9:10AM Jan 22, 2022Observed: -2.27 ft at 9:20AM Jan 22, 2022Observed: -2.21 ft at 9:30AM Jan 22, 2022Observed: -2.27 ft at 9:40AM Jan 22, 2022Observed: -2.27 ft at 9:50AM Jan 22, 2022Observed: -2.23 ft at 10:00AM Jan 22, 2022Observed: -2.24 ft at 10:10AM Jan 22, 2022Observed: -2.25 ft at 10:20AM Jan 22, 2022Observed: -2.23 ft at 10:30AM Jan 22, 2022Observed: -2.23 ft at 10:40AM Jan 22, 2022Observed: -2.22 ft at 10:50AM Jan 22, 2022Observed: -2.27 ft at 11:00AM Jan 22, 2022Observed: -2.26 ft at 11:10AM Jan 22, 2022Observed: -2.37 ft at 11:20AM Jan 22, 2022Observed: -2.34 ft at 11:30AM Jan 22, 2022Observed: -2.31 ft at 11:40AM Jan 22, 2022Observed: -2.3 ft at 11:50AM Jan 22, 2022Observed: -2.26 ft at 12:00PM Jan 22, 2022Observed: -2.22 ft at 12:10PM Jan 22, 2022Observed: -2.25 ft at 12:20PM Jan 22, 2022Observed: -2.29 ft at 12:30PM Jan 22, 2022Observed: -2.31 ft at 12:40PM Jan 22, 2022Observed: -2.28 ft at 12:50PM Jan 22, 2022Observed: -2.29 ft at 1:00PM Jan 22, 2022Observed: -2.38 ft at 1:10PM Jan 22, 2022Observed: -2.27 ft at 1:20PM Jan 22, 2022Observed: -2.24 ft at 1:30PM Jan 22, 2022Observed: -2.24 ft at 1:40PM Jan 22, 2022Observed: -2.18 ft at 1:50PM Jan 22, 2022Observed: -2.14 ft at 2:00PM Jan 22, 2022Observed: -2.17 ft at 2:10PM Jan 22, 2022Observed: -2.2 ft at 2:20PM Jan 22, 2022Observed: -2.19 ft at 2:30PM Jan 22, 2022Observed: -2.15 ft at 2:40PM Jan 22, 2022Observed: -2.17 ft at 2:50PM Jan 22, 2022Observed: -2.14 ft at 3:00PM Jan 22, 2022Observed: -2.14 ft at 3:10PM Jan 22, 2022Observed: -2.27 ft at 3:20PM Jan 22, 2022Observed: -2.28 ft at 3:30PM Jan 22, 2022Observed: -2.22 ft at 3:40PM Jan 22, 2022Observed: -2.17 ft at 3:50PM Jan 22, 2022Observed: -2.17 ft at 4:00PM Jan 22, 2022Observed: -2.15 ft at 4:10PM Jan 22, 2022Observed: -2.15 ft at 4:20PM Jan 22, 2022Observed: -2.2 ft at 4:30PM Jan 22, 2022Observed: -2.26 ft at 4:40PM Jan 22, 2022Observed: -2.2 ft at 4:50PM Jan 22, 2022Observed: -2.2 ft at 5:00PM Jan 22, 2022Observed: -2.22 ft at 5:10PM Jan 22, 2022Observed: -2.2 ft at 5:20PM Jan 22, 2022Observed: -2.17 ft at 5:30PM Jan 22, 2022Observed: -2.25 ft at 5:40PM Jan 22, 2022Observed: -2.33 ft at 5:50PM Jan 22, 2022Observed: -2.25 ft at 6:00PM Jan 22, 2022Observed: -2.2 ft at 6:10PM Jan 22, 2022Observed: -2.21 ft at 6:20PM Jan 22, 2022Observed: -2.14 ft at 6:30PM Jan 22, 2022Observed: -2.13 ft at 6:40PM Jan 22, 2022Observed: -2.15 ft at 6:50PM Jan 22, 2022Observed: -2.19 ft at 7:00PM Jan 22, 2022Observed: -2.16 ft at 7:10PM Jan 22, 2022Observed: -2.12 ft at 7:20PM Jan 22, 2022Observed: -2.12 ft at 7:30PM Jan 22, 2022Observed: -2.12 ft at 7:40PM Jan 22, 2022Observed: -2.04 ft at 7:50PM Jan 22, 2022Observed: -2.07 ft at 8:00PM Jan 22, 2022Observed: -2.07 ft at 8:10PM Jan 22, 2022Observed: -2.03 ft at 8:20PM Jan 22, 2022Observed: -2.02 ft at 8:30PM Jan 22, 2022Observed: -2.02 ft at 8:40PM Jan 22, 2022Observed: -2.05 ft at 8:50PM Jan 22, 2022Observed: -2.03 ft at 9:00PM Jan 22, 2022Observed: -2.02 ft at 9:10PM Jan 22, 2022Observed: -2.03 ft at 9:20PM Jan 22, 2022Observed: -2.03 ft at 9:30PM Jan 22, 2022Observed: -2.03 ft at 9:40PM Jan 22, 2022Observed: -2.05 ft at 9:50PM Jan 22, 2022Observed: -2.05 ft at 10:00PM Jan 22, 2022Observed: -2.04 ft at 10:10PM Jan 22, 2022Observed: -2 ft at 10:20PM Jan 22, 2022Observed: -2 ft at 10:30PM Jan 22, 2022Observed: -2.01 ft at 10:40PM Jan 22, 2022Observed: -1.96 ft at 10:50PM Jan 22, 2022Observed: -2.04 ft at 11:00PM Jan 22, 2022Observed: -2.1 ft at 11:10PM Jan 22, 2022Observed: -2.09 ft at 11:20PM Jan 22, 2022Observed: -2.16 ft at 11:30PM Jan 22, 2022Observed: -2.14 ft at 11:40PM Jan 22, 2022Observed: -2.11 ft at 11:50PM Jan 22, 2022Observed: -2.16 ft at 12:00AM Jan 23, 2022Observed: -2.15 ft at 12:10AM Jan 23, 2022Observed: -2.15 ft at 12:20AM Jan 23, 2022Observed: -2.18 ft at 12:30AM Jan 23, 2022Observed: -2.16 ft at 12:40AM Jan 23, 2022Observed: -2.05 ft at 12:50AM Jan 23, 2022Observed: -2.15 ft at 1:00AM Jan 23, 2022Observed: -2.16 ft at 1:10AM Jan 23, 2022Observed: -2.16 ft at 1:20AM Jan 23, 2022Observed: -2.21 ft at 1:30AM Jan 23, 2022Observed: -2.19 ft at 1:40AM Jan 23, 2022Observed: -2.24 ft at 1:50AM Jan 23, 2022Observed: -2.27 ft at 2:00AM Jan 23, 2022Observed: -2.22 ft at 2:10AM Jan 23, 2022Observed: -2.21 ft at 2:20AM Jan 23, 2022Observed: -2.19 ft at 2:30AM Jan 23, 2022Observed: -2.05 ft at 2:40AM Jan 23, 2022Observed: -2.16 ft at 2:50AM Jan 23, 2022Observed: -2.17 ft at 3:00AM Jan 23, 2022Observed: -2.22 ft at 3:10AM Jan 23, 2022Observed: -2.32 ft at 3:20AM Jan 23, 2022Observed: -2.3 ft at 3:30AM Jan 23, 2022Observed: -2.26 ft at 3:40AM Jan 23, 2022Observed: -2.27 ft at 3:50AM Jan 23, 2022Observed: -2.24 ft at 4:00AM Jan 23, 2022Observed: -2.2 ft at 4:10AM Jan 23, 2022Observed: -2.24 ft at 4:20AM Jan 23, 2022Observed: -2.22 ft at 4:30AM Jan 23, 2022Observed: -2.25 ft at 4:40AM Jan 23, 2022Observed: -2.27 ft at 4:50AM Jan 23, 2022Observed: -2.26 ft at 5:00AM Jan 23, 2022Observed: -2.25 ft at 5:10AM Jan 23, 2022USGS--Water Resources of the United StatesCSWI2(plotting HGIRP) Graph Created (6:09AM Jan 23, 2022)ObservedLatest observed value: -2.25 ft at 5:10 AM CST 23-Jan-2022. Flood Stage is 4 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Graphical forecasts are not available for the Chicago Sanitary and Ship Canal at Chicago (Western Ave). During times of high water, forecast crest information can be found in the text products.
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Upstream Gauge - at Chicago (Grand Ave) Upstream Gauge Downstream Gauge Downstream Gauge - at Stickney
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 4
Action Stage: 2
Low Stage (in feet): -4

Historic Crests
(1) 5.26 ft on 05/17/2020
(2) 4.10 ft on 06/30/1977
(3) 3.62 ft on 10/14/2017
(4) 3.07 ft on 06/15/2015
(5) 1.65 ft on 05/01/2019

(P): Preliminary values subject to further review.

Recent Crests
(1) 5.26 ft on 05/17/2020
(2) 1.65 ft on 05/01/2019
(3) 3.62 ft on 10/14/2017
(4) 3.07 ft on 06/15/2015
(5) 4.10 ft on 06/30/1977

(P): Preliminary values subject to further review.

Low Water Records
(1) -3.90 ft on 06/25/2015

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:15
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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
7 Structures are threatened near the canal in the Bridgeport, Lower West Side, McKinley Park, and South Lawndale areas of Chicago. Structures are threatened near the South Branch Chicago River along Iron Street in the Bridgeport and McKinley Park areas of Chicago.
6 Structures are threatened near Ping Tom Park and in the Armour Square, Near South Side, and Lower West Side areas of Chicago.
4 The canal overflows low-lying banks in the Bridgeport, Lower West Side, McKinley Park, and South Lawndale areas of Chicago.
2 Low-lying sections of Ping Tom Park are inundated.
Low Water Impacts Collapse
If you notice any errors in the below information, please contact our Webmaster
-4 Low water levels begin to impact shipping interests along the river.
About This Location Collapse

Latitude: 41.837500° N, Longitude: 87.685278° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 4 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 579.20 Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 579.48 Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available Chicago City Datum

Current/Historical Observations:
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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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