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Hydrograph River at a Glance Download
Chicago Sanitary and Ship Canal at Chicago (Western Ave) Stage (ft)Observed: -2.29 ft at 2:00PM Oct 02, 2022Observed: -2.28 ft at 2:10PM Oct 02, 2022Observed: -2.17 ft at 2:20PM Oct 02, 2022Observed: -2.16 ft at 2:30PM Oct 02, 2022Observed: -2.2 ft at 2:40PM Oct 02, 2022Observed: -2.18 ft at 2:50PM Oct 02, 2022Observed: -2.25 ft at 3:00PM Oct 02, 2022Observed: -2.21 ft at 3:10PM Oct 02, 2022Observed: -2.15 ft at 3:20PM Oct 02, 2022Observed: -2.21 ft at 3:30PM Oct 02, 2022Observed: -2.16 ft at 3:40PM Oct 02, 2022Observed: -2.19 ft at 3:50PM Oct 02, 2022Observed: -2.34 ft at 4:00PM Oct 02, 2022Observed: -2.31 ft at 4:10PM Oct 02, 2022Observed: -2.21 ft at 4:20PM Oct 02, 2022Observed: -2.24 ft at 4:30PM Oct 02, 2022Observed: -2.22 ft at 4:40PM Oct 02, 2022Observed: -2.13 ft at 4:50PM Oct 02, 2022Observed: -2.19 ft at 5:00PM Oct 02, 2022Observed: -2.2 ft at 5:10PM Oct 02, 2022Observed: -2.19 ft at 5:20PM Oct 02, 2022Observed: -2.21 ft at 5:30PM Oct 02, 2022Observed: -2.17 ft at 5:40PM Oct 02, 2022Observed: -2.16 ft at 5:50PM Oct 02, 2022Observed: -2.29 ft at 6:00PM Oct 02, 2022Observed: -2.26 ft at 6:10PM Oct 02, 2022Observed: -2.17 ft at 6:20PM Oct 02, 2022Observed: -2.22 ft at 6:30PM Oct 02, 2022Observed: -2.13 ft at 6:40PM Oct 02, 2022Observed: -2.06 ft at 6:50PM Oct 02, 2022Observed: -2.14 ft at 7:00PM Oct 02, 2022Observed: -2.12 ft at 7:10PM Oct 02, 2022Observed: -2.13 ft at 7:20PM Oct 02, 2022Observed: -2.15 ft at 7:30PM Oct 02, 2022Observed: -2.11 ft at 7:40PM Oct 02, 2022Observed: -2.23 ft at 7:50PM Oct 02, 2022Observed: -2.17 ft at 8:00PM Oct 02, 2022Observed: -2.12 ft at 8:10PM Oct 02, 2022Observed: -2.16 ft at 8:20PM Oct 02, 2022Observed: -2.07 ft at 8:30PM Oct 02, 2022Observed: -2 ft at 8:40PM Oct 02, 2022Observed: -2.02 ft at 8:50PM Oct 02, 2022Observed: -2.08 ft at 9:00PM Oct 02, 2022Observed: -2.08 ft at 9:10PM Oct 02, 2022Observed: -2.06 ft at 9:20PM Oct 02, 2022Observed: -2.09 ft at 9:30PM Oct 02, 2022Observed: -2.12 ft at 9:40PM Oct 02, 2022Observed: -2.01 ft at 9:50PM Oct 02, 2022Observed: -2.04 ft at 10:00PM Oct 02, 2022Observed: -2.09 ft at 10:10PM Oct 02, 2022Observed: -2.05 ft at 10:20PM Oct 02, 2022Observed: -2.13 ft at 10:30PM Oct 02, 2022Observed: -2.18 ft at 10:40PM Oct 02, 2022Observed: -2.13 ft at 10:50PM Oct 02, 2022Observed: -2.08 ft at 11:00PM Oct 02, 2022Observed: -2.11 ft at 11:10PM Oct 02, 2022Observed: -2.05 ft at 11:20PM Oct 02, 2022Observed: -2.06 ft at 11:30PM Oct 02, 2022Observed: -2.08 ft at 11:40PM Oct 02, 2022Observed: -2.13 ft at 11:50PM Oct 02, 2022Observed: -2.07 ft at 12:00AM Oct 03, 2022Observed: -2.07 ft at 12:10AM Oct 03, 2022Observed: -2.06 ft at 12:20AM Oct 03, 2022Observed: -2.05 ft at 12:30AM Oct 03, 2022Observed: -2.03 ft at 12:40AM Oct 03, 2022Observed: -2.06 ft at 12:50AM Oct 03, 2022Observed: -2.07 ft at 1:00AM Oct 03, 2022Observed: -2.07 ft at 1:10AM Oct 03, 2022Observed: -2.15 ft at 1:20AM Oct 03, 2022Observed: -2.11 ft at 1:30AM Oct 03, 2022Observed: -2.08 ft at 1:40AM Oct 03, 2022Observed: -2.05 ft at 1:50AM Oct 03, 2022Observed: -2 ft at 2:00AM Oct 03, 2022Observed: -1.97 ft at 2:10AM Oct 03, 2022Observed: -2 ft at 2:20AM Oct 03, 2022Observed: -2.03 ft at 2:30AM Oct 03, 2022Observed: -2.03 ft at 2:40AM Oct 03, 2022Observed: -2.01 ft at 2:50AM Oct 03, 2022Observed: -2 ft at 3:00AM Oct 03, 2022Observed: -2 ft at 3:10AM Oct 03, 2022Observed: -1.94 ft at 3:20AM Oct 03, 2022Observed: -1.97 ft at 3:30AM Oct 03, 2022Observed: -2 ft at 3:40AM Oct 03, 2022Observed: -1.96 ft at 3:50AM Oct 03, 2022Observed: -1.95 ft at 4:00AM Oct 03, 2022Observed: -1.97 ft at 4:10AM Oct 03, 2022Observed: -1.97 ft at 4:20AM Oct 03, 2022Observed: -1.94 ft at 4:30AM Oct 03, 2022Observed: -1.94 ft at 4:40AM Oct 03, 2022Observed: -1.95 ft at 4:50AM Oct 03, 2022Observed: -1.93 ft at 5:00AM Oct 03, 2022Observed: -1.93 ft at 5:10AM Oct 03, 2022Observed: -1.95 ft at 5:20AM Oct 03, 2022Observed: -1.95 ft at 5:30AM Oct 03, 2022Observed: -1.93 ft at 5:40AM Oct 03, 2022Observed: -1.91 ft at 5:50AM Oct 03, 2022Observed: -1.91 ft at 6:00AM Oct 03, 2022Observed: -1.91 ft at 6:10AM Oct 03, 2022Observed: -1.91 ft at 6:20AM Oct 03, 2022Observed: -1.93 ft at 6:30AM Oct 03, 2022Observed: -1.94 ft at 6:40AM Oct 03, 2022Observed: -1.93 ft at 6:50AM Oct 03, 2022Observed: -1.93 ft at 7:00AM Oct 03, 2022Observed: -1.92 ft at 7:10AM Oct 03, 2022Observed: -1.88 ft at 7:20AM Oct 03, 2022Observed: -1.9 ft at 7:30AM Oct 03, 2022Observed: -1.88 ft at 7:40AM Oct 03, 2022Observed: -1.9 ft at 7:50AM Oct 03, 2022Observed: -1.9 ft at 8:00AM Oct 03, 2022Observed: -1.87 ft at 8:10AM Oct 03, 2022Observed: -1.88 ft at 8:20AM Oct 03, 2022Observed: -1.88 ft at 8:30AM Oct 03, 2022Observed: -1.88 ft at 8:40AM Oct 03, 2022Observed: -1.88 ft at 8:50AM Oct 03, 2022Observed: -1.89 ft at 9:00AM Oct 03, 2022Observed: -1.96 ft at 9:10AM Oct 03, 2022Observed: -2.04 ft at 9:20AM Oct 03, 2022Observed: -2.03 ft at 9:30AM Oct 03, 2022Observed: -2.03 ft at 9:40AM Oct 03, 2022Observed: -2.02 ft at 9:50AM Oct 03, 2022Observed: -1.97 ft at 10:00AM Oct 03, 2022Observed: -1.94 ft at 10:10AM Oct 03, 2022Observed: -2 ft at 10:20AM Oct 03, 2022Observed: -2.02 ft at 10:30AM Oct 03, 2022Observed: -2.03 ft at 10:40AM Oct 03, 2022Observed: -2.03 ft at 10:50AM Oct 03, 2022Observed: -2.04 ft at 11:00AM Oct 03, 2022Observed: -2.01 ft at 11:10AM Oct 03, 2022Observed: -1.99 ft at 11:20AM Oct 03, 2022Observed: -2.02 ft at 11:30AM Oct 03, 2022Observed: -2.03 ft at 11:40AM Oct 03, 2022Observed: -2.01 ft at 11:50AM Oct 03, 2022Observed: -2.03 ft at 12:00PM Oct 03, 2022Observed: -2.1 ft at 12:10PM Oct 03, 2022Observed: -2.12 ft at 12:20PM Oct 03, 2022Observed: -2.06 ft at 12:30PM Oct 03, 2022Observed: -2.06 ft at 12:40PM Oct 03, 2022Observed: -2.04 ft at 12:50PM Oct 03, 2022Observed: -2.02 ft at 1:00PM Oct 03, 2022Observed: -2.01 ft at 1:10PM Oct 03, 2022Observed: -2.07 ft at 1:20PM Oct 03, 2022Observed: -2.18 ft at 1:30PM Oct 03, 2022Observed: -2.16 ft at 1:40PM Oct 03, 2022Observed: -2.1 ft at 1:50PM Oct 03, 2022Observed: -2.13 ft at 2:00PM Oct 03, 2022Observed: -2.06 ft at 2:10PM Oct 03, 2022Observed: -2.03 ft at 2:20PM Oct 03, 2022Observed: -2.12 ft at 2:30PM Oct 03, 2022Observed: -2.1 ft at 2:40PM Oct 03, 2022Observed: -2.1 ft at 2:50PM Oct 03, 2022Observed: -2.11 ft at 3:00PM Oct 03, 2022Observed: -2.07 ft at 3:10PM Oct 03, 2022Observed: -2.06 ft at 3:20PM Oct 03, 2022Observed: -2.08 ft at 3:30PM Oct 03, 2022Observed: -2.06 ft at 3:40PM Oct 03, 2022Observed: -2.08 ft at 3:50PM Oct 03, 2022Observed: -2.1 ft at 4:00PM Oct 03, 2022Observed: -2.05 ft at 4:10PM Oct 03, 2022Observed: -2.1 ft at 4:20PM Oct 03, 2022Observed: -2.21 ft at 4:30PM Oct 03, 2022Observed: -2.13 ft at 4:40PM Oct 03, 2022Observed: -2.17 ft at 4:50PM Oct 03, 2022Observed: -2.15 ft at 5:00PM Oct 03, 2022Observed: -2.11 ft at 5:10PM Oct 03, 2022Observed: -2.11 ft at 5:20PM Oct 03, 2022Observed: -2.13 ft at 5:30PM Oct 03, 2022Observed: -2.16 ft at 5:40PM Oct 03, 2022Observed: -2.2 ft at 5:50PM Oct 03, 2022Observed: -2.13 ft at 6:00PM Oct 03, 2022Observed: -2.15 ft at 6:10PM Oct 03, 2022Observed: -2.18 ft at 6:20PM Oct 03, 2022Observed: -2.1 ft at 6:30PM Oct 03, 2022Observed: -2.18 ft at 6:40PM Oct 03, 2022Observed: -2.2 ft at 6:50PM Oct 03, 2022Observed: -2.18 ft at 7:00PM Oct 03, 2022Observed: -2.13 ft at 7:10PM Oct 03, 2022Observed: -2.17 ft at 7:20PM Oct 03, 2022Observed: -2.16 ft at 7:30PM Oct 03, 2022Observed: -2.23 ft at 7:40PM Oct 03, 2022Observed: -2.25 ft at 7:50PM Oct 03, 2022Observed: -2.22 ft at 8:00PM Oct 03, 2022Observed: -2.18 ft at 8:10PM Oct 03, 2022Observed: -2.21 ft at 8:20PM Oct 03, 2022Observed: -2.13 ft at 8:30PM Oct 03, 2022Observed: -2.15 ft at 8:40PM Oct 03, 2022Observed: -2.22 ft at 8:50PM Oct 03, 2022Observed: -2.17 ft at 9:00PM Oct 03, 2022Observed: -2.19 ft at 9:10PM Oct 03, 2022Observed: -2.19 ft at 9:20PM Oct 03, 2022Observed: -2.23 ft at 9:30PM Oct 03, 2022Observed: -2.29 ft at 9:40PM Oct 03, 2022Observed: -2.25 ft at 9:50PM Oct 03, 2022Observed: -2.25 ft at 10:00PM Oct 03, 2022Observed: -2.3 ft at 10:10PM Oct 03, 2022Observed: -2.17 ft at 10:20PM Oct 03, 2022Observed: -2.19 ft at 10:30PM Oct 03, 2022Observed: -2.24 ft at 10:40PM Oct 03, 2022Observed: -2.26 ft at 10:50PM Oct 03, 2022Observed: -2.31 ft at 11:00PM Oct 03, 2022Observed: -2.36 ft at 11:10PM Oct 03, 2022Observed: -2.31 ft at 11:20PM Oct 03, 2022Observed: -2.27 ft at 11:30PM Oct 03, 2022Observed: -2.29 ft at 11:40PM Oct 03, 2022Observed: -2.25 ft at 11:50PM Oct 03, 2022Observed: -2.27 ft at 12:00AM Oct 04, 2022Observed: -2.3 ft at 12:10AM Oct 04, 2022Observed: -2.28 ft at 12:20AM Oct 04, 2022Observed: -2.28 ft at 12:30AM Oct 04, 2022Observed: -2.29 ft at 12:40AM Oct 04, 2022Observed: -2.25 ft at 12:50AM Oct 04, 2022Observed: -2.29 ft at 1:00AM Oct 04, 2022Observed: -2.37 ft at 1:10AM Oct 04, 2022Observed: -2.38 ft at 1:20AM Oct 04, 2022Observed: -2.36 ft at 1:30AM Oct 04, 2022Observed: -2.36 ft at 1:40AM Oct 04, 2022Observed: -2.33 ft at 1:50AM Oct 04, 2022Observed: -2.28 ft at 2:00AM Oct 04, 2022Observed: -2.3 ft at 2:10AM Oct 04, 2022Observed: -2.29 ft at 2:20AM Oct 04, 2022Observed: -2.36 ft at 2:30AM Oct 04, 2022Observed: -2.32 ft at 2:40AM Oct 04, 2022Observed: -2.32 ft at 2:50AM Oct 04, 2022Observed: -2.37 ft at 3:00AM Oct 04, 2022Observed: -2.37 ft at 3:10AM Oct 04, 2022Observed: -2.37 ft at 3:20AM Oct 04, 2022Observed: -2.38 ft at 3:30AM Oct 04, 2022Observed: -2.35 ft at 3:40AM Oct 04, 2022Observed: -2.34 ft at 3:50AM Oct 04, 2022Observed: -2.32 ft at 4:00AM Oct 04, 2022Observed: -2.39 ft at 4:10AM Oct 04, 2022Observed: -2.37 ft at 4:20AM Oct 04, 2022Observed: -2.37 ft at 4:30AM Oct 04, 2022Observed: -2.39 ft at 4:40AM Oct 04, 2022Observed: -2.4 ft at 4:50AM Oct 04, 2022Observed: -2.4 ft at 5:00AM Oct 04, 2022Observed: -2.4 ft at 5:10AM Oct 04, 2022Observed: -2.4 ft at 5:20AM Oct 04, 2022Observed: -2.42 ft at 5:30AM Oct 04, 2022Observed: -2.4 ft at 5:40AM Oct 04, 2022Observed: -2.4 ft at 5:50AM Oct 04, 2022Observed: -2.4 ft at 6:00AM Oct 04, 2022Observed: -2.41 ft at 6:10AM Oct 04, 2022Observed: -2.41 ft at 6:20AM Oct 04, 2022Observed: -2.42 ft at 6:30AM Oct 04, 2022Observed: -2.44 ft at 6:40AM Oct 04, 2022Observed: -2.44 ft at 6:50AM Oct 04, 2022Observed: -2.44 ft at 7:00AM Oct 04, 2022Observed: -2.43 ft at 7:10AM Oct 04, 2022Observed: -2.4 ft at 7:20AM Oct 04, 2022Observed: -2.37 ft at 7:30AM Oct 04, 2022Observed: -2.35 ft at 7:40AM Oct 04, 2022Observed: -2.34 ft at 7:50AM Oct 04, 2022Observed: -2.35 ft at 8:00AM Oct 04, 2022Observed: -2.35 ft at 8:10AM Oct 04, 2022Observed: -2.35 ft at 8:20AM Oct 04, 2022Observed: -2.32 ft at 8:30AM Oct 04, 2022Observed: -2.33 ft at 8:40AM Oct 04, 2022Observed: -2.3 ft at 8:50AM Oct 04, 2022Observed: -2.29 ft at 9:00AM Oct 04, 2022Observed: -2.31 ft at 9:10AM Oct 04, 2022Observed: -2.3 ft at 9:20AM Oct 04, 2022Observed: -2.28 ft at 9:30AM Oct 04, 2022Observed: -2.32 ft at 9:40AM Oct 04, 2022Observed: -2.28 ft at 9:50AM Oct 04, 2022Observed: -2.28 ft at 10:00AM Oct 04, 2022Observed: -2.33 ft at 10:10AM Oct 04, 2022Observed: -2.3 ft at 10:20AM Oct 04, 2022Observed: -2.29 ft at 10:30AM Oct 04, 2022Observed: -2.31 ft at 10:40AM Oct 04, 2022Observed: -2.29 ft at 10:50AM Oct 04, 2022Observed: -2.39 ft at 11:00AM Oct 04, 2022Observed: -2.39 ft at 11:10AM Oct 04, 2022Observed: -2.37 ft at 11:20AM Oct 04, 2022Observed: -2.34 ft at 11:30AM Oct 04, 2022Observed: -2.33 ft at 11:40AM Oct 04, 2022Observed: -2.3 ft at 11:50AM Oct 04, 2022Observed: -2.31 ft at 12:00PM Oct 04, 2022Observed: -2.36 ft at 12:10PM Oct 04, 2022Observed: -2.49 ft at 12:20PM Oct 04, 2022Observed: -2.37 ft at 12:30PM Oct 04, 2022Observed: -2.32 ft at 12:40PM Oct 04, 2022Observed: -2.38 ft at 12:50PM Oct 04, 2022Observed: -2.28 ft at 1:00PM Oct 04, 2022Observed: -2.23 ft at 1:10PM Oct 04, 2022Observed: -2.32 ft at 1:20PM Oct 04, 2022Observed: -2.32 ft at 1:30PM Oct 04, 2022Observed: -2.25 ft at 1:40PM Oct 04, 2022Observed: -2.29 ft at 1:50PM Oct 04, 2022Observed: -2.25 ft at 2:00PM Oct 04, 2022Observed: -2.36 ft at 2:10PM Oct 04, 2022Observed: -2.35 ft at 2:20PM Oct 04, 2022Observed: -2.3 ft at 2:30PM Oct 04, 2022Observed: -2.28 ft at 2:40PM Oct 04, 2022Observed: -2.29 ft at 2:50PM Oct 04, 2022Observed: -2.17 ft at 3:00PM Oct 04, 2022Observed: -2.2 ft at 3:10PM Oct 04, 2022Observed: -2.28 ft at 3:20PM Oct 04, 2022Observed: -2.27 ft at 3:30PM Oct 04, 2022Observed: -2.22 ft at 3:40PM Oct 04, 2022Observed: -2.39 ft at 3:50PM Oct 04, 2022Observed: -2.31 ft at 4:00PM Oct 04, 2022Observed: -2.28 ft at 4:10PM Oct 04, 2022Observed: -2.28 ft at 4:20PM Oct 04, 2022Observed: -2.29 ft at 4:30PM Oct 04, 2022Observed: -2.21 ft at 4:40PM Oct 04, 2022Observed: -2.21 ft at 4:50PM Oct 04, 2022Observed: -2.23 ft at 5:00PM Oct 04, 2022Observed: -2.3 ft at 5:10PM Oct 04, 2022Observed: -2.37 ft at 5:20PM Oct 04, 2022Observed: -2.27 ft at 5:30PM Oct 04, 2022Observed: -2.29 ft at 5:40PM Oct 04, 2022Observed: -2.3 ft at 5:50PM Oct 04, 2022Observed: -2.16 ft at 6:00PM Oct 04, 2022Observed: -2.2 ft at 6:10PM Oct 04, 2022Observed: -2.23 ft at 6:20PM Oct 04, 2022Observed: -2.18 ft at 6:30PM Oct 04, 2022Observed: -2.16 ft at 6:40PM Oct 04, 2022Observed: -2.18 ft at 6:50PM Oct 04, 2022Observed: -2.17 ft at 7:00PM Oct 04, 2022Observed: -2.12 ft at 7:10PM Oct 04, 2022Observed: -2.14 ft at 7:20PM Oct 04, 2022Observed: -2.15 ft at 7:30PM Oct 04, 2022Observed: -2.15 ft at 7:40PM Oct 04, 2022Observed: -2.19 ft at 7:50PM Oct 04, 2022Observed: -2.27 ft at 8:00PM Oct 04, 2022Observed: -2.23 ft at 8:10PM Oct 04, 2022Observed: -2.18 ft at 8:20PM Oct 04, 2022Observed: -2.18 ft at 8:30PM Oct 04, 2022Observed: -2.12 ft at 8:40PM Oct 04, 2022Observed: -2.1 ft at 8:50PM Oct 04, 2022Observed: -2.16 ft at 9:00PM Oct 04, 2022Observed: -2.16 ft at 9:10PM Oct 04, 2022Observed: -2.19 ft at 9:20PM Oct 04, 2022Observed: -2.19 ft at 9:30PM Oct 04, 2022Observed: -2.15 ft at 9:40PM Oct 04, 2022Observed: -2.11 ft at 9:50PM Oct 04, 2022Observed: -2.14 ft at 10:00PM Oct 04, 2022Observed: -2.16 ft at 10:10PM Oct 04, 2022Observed: -2.26 ft at 10:20PM Oct 04, 2022Observed: -2.22 ft at 10:30PM Oct 04, 2022Observed: -2.19 ft at 10:40PM Oct 04, 2022Observed: -2.2 ft at 10:50PM Oct 04, 2022Observed: -2.13 ft at 11:00PM Oct 04, 2022Observed: -2.11 ft at 11:10PM Oct 04, 2022Observed: -2.21 ft at 11:20PM Oct 04, 2022Observed: -2.28 ft at 11:30PM Oct 04, 2022Observed: -2.22 ft at 11:40PM Oct 04, 2022Observed: -2.19 ft at 11:50PM Oct 04, 2022Observed: -2.21 ft at 12:00AM Oct 05, 2022Observed: -2.13 ft at 12:10AM Oct 05, 2022Observed: -2.11 ft at 12:20AM Oct 05, 2022Observed: -2.17 ft at 12:30AM Oct 05, 2022Observed: -2.32 ft at 12:40AM Oct 05, 2022Observed: -2.21 ft at 12:50AM Oct 05, 2022Observed: -2.16 ft at 1:00AM Oct 05, 2022Observed: -2.19 ft at 1:10AM Oct 05, 2022Observed: -2.15 ft at 1:20AM Oct 05, 2022Observed: -2.1 ft at 1:30AM Oct 05, 2022Observed: -2.17 ft at 1:40AM Oct 05, 2022Observed: -2.24 ft at 1:50AM Oct 05, 2022Observed: -2.29 ft at 2:00AM Oct 05, 2022Observed: -2.19 ft at 2:10AM Oct 05, 2022Observed: -2.18 ft at 2:20AM Oct 05, 2022Observed: -2.23 ft at 2:30AM Oct 05, 2022Observed: -2.07 ft at 2:40AM Oct 05, 2022Observed: -2.1 ft at 2:50AM Oct 05, 2022Observed: -2.16 ft at 3:00AM Oct 05, 2022Observed: -2.16 ft at 3:10AM Oct 05, 2022Observed: -2.11 ft at 3:20AM Oct 05, 2022Observed: -2.14 ft at 3:30AM Oct 05, 2022Observed: -2.14 ft at 3:40AM Oct 05, 2022Observed: -2.14 ft at 3:50AM Oct 05, 2022Observed: -2.07 ft at 4:00AM Oct 05, 2022Observed: -2.12 ft at 4:10AM Oct 05, 2022Observed: -2.12 ft at 4:20AM Oct 05, 2022Observed: -2.08 ft at 4:30AM Oct 05, 2022Observed: -2.09 ft at 4:40AM Oct 05, 2022Observed: -2.12 ft at 4:50AM Oct 05, 2022Observed: -2.13 ft at 5:00AM Oct 05, 2022Observed: -2.08 ft at 5:10AM Oct 05, 2022Observed: -2.08 ft at 5:20AM Oct 05, 2022Observed: -2.1 ft at 5:30AM Oct 05, 2022Observed: -2.06 ft at 5:40AM Oct 05, 2022Observed: -2.05 ft at 5:50AM Oct 05, 2022Observed: -2.09 ft at 6:00AM Oct 05, 2022Observed: -2.1 ft at 6:10AM Oct 05, 2022Observed: -2.08 ft at 6:20AM Oct 05, 2022Observed: -2.07 ft at 6:30AM Oct 05, 2022Observed: -2.08 ft at 6:40AM Oct 05, 2022Observed: -2.07 ft at 6:50AM Oct 05, 2022Observed: -2.05 ft at 7:00AM Oct 05, 2022Observed: -2.07 ft at 7:10AM Oct 05, 2022Observed: -2.09 ft at 7:20AM Oct 05, 2022Observed: -2.06 ft at 7:30AM Oct 05, 2022Observed: -2.04 ft at 7:40AM Oct 05, 2022Observed: -2.08 ft at 7:50AM Oct 05, 2022Observed: -2.05 ft at 8:00AM Oct 05, 2022Observed: -2.05 ft at 8:10AM Oct 05, 2022Observed: -2.06 ft at 8:20AM Oct 05, 2022Observed: -2.15 ft at 8:30AM Oct 05, 2022Observed: -2.14 ft at 8:40AM Oct 05, 2022Observed: -2.09 ft at 8:50AM Oct 05, 2022Observed: -2.08 ft at 9:00AM Oct 05, 2022Observed: -2.06 ft at 9:10AM Oct 05, 2022Observed: -1.96 ft at 9:20AM Oct 05, 2022Observed: -1.99 ft at 9:30AM Oct 05, 2022Observed: -2.03 ft at 9:40AM Oct 05, 2022Observed: -2.03 ft at 9:50AM Oct 05, 2022Observed: -1.97 ft at 10:00AM Oct 05, 2022Observed: -2 ft at 10:10AM Oct 05, 2022Observed: -2.02 ft at 10:20AM Oct 05, 2022Observed: -1.93 ft at 10:30AM Oct 05, 2022Observed: -1.97 ft at 10:40AM Oct 05, 2022Observed: -1.96 ft at 10:50AM Oct 05, 2022Observed: -1.95 ft at 11:00AM Oct 05, 2022Observed: -1.9 ft at 11:10AM Oct 05, 2022Observed: -1.92 ft at 11:20AM Oct 05, 2022Observed: -1.93 ft at 11:30AM Oct 05, 2022Observed: -1.91 ft at 11:40AM Oct 05, 2022Observed: -1.99 ft at 11:50AM Oct 05, 2022Observed: -2.03 ft at 12:00PM Oct 05, 2022Observed: -2.02 ft at 12:10PM Oct 05, 2022Observed: -2 ft at 12:20PM Oct 05, 2022Observed: -1.96 ft at 12:30PM Oct 05, 2022Observed: -1.93 ft at 12:40PM Oct 05, 2022Observed: -1.94 ft at 12:50PM Oct 05, 2022Observed: -1.91 ft at 1:00PM Oct 05, 2022Observed: -1.94 ft at 1:10PM Oct 05, 2022Observed: -1.98 ft at 1:20PM Oct 05, 2022Observed: -1.9 ft at 1:30PM Oct 05, 2022Observed: -1.93 ft at 1:40PM Oct 05, 2022Observed: -1.94 ft at 1:50PM Oct 05, 2022Observed: -1.9 ft at 2:00PM Oct 05, 2022Observed: -1.93 ft at 2:10PM Oct 05, 2022Observed: -1.89 ft at 2:20PM Oct 05, 2022Observed: -1.88 ft at 2:30PM Oct 05, 2022Observed: -1.86 ft at 2:40PM Oct 05, 2022Observed: -1.82 ft at 2:50PM Oct 05, 2022Observed: -1.83 ft at 3:00PM Oct 05, 2022Observed: -1.85 ft at 3:10PM Oct 05, 2022Observed: -1.91 ft at 3:20PM Oct 05, 2022Observed: -1.98 ft at 3:30PM Oct 05, 2022Observed: -1.9 ft at 3:40PM Oct 05, 2022Observed: -1.86 ft at 3:50PM Oct 05, 2022Observed: -1.87 ft at 4:00PM Oct 05, 2022Observed: -1.8 ft at 4:10PM Oct 05, 2022Observed: -1.92 ft at 4:20PM Oct 05, 2022Observed: -1.95 ft at 4:30PM Oct 05, 2022Observed: -1.94 ft at 4:40PM Oct 05, 2022Observed: -1.9 ft at 4:50PM Oct 05, 2022Observed: -1.87 ft at 5:00PM Oct 05, 2022Observed: -1.8 ft at 5:10PM Oct 05, 2022Observed: -1.81 ft at 5:20PM Oct 05, 2022Observed: -1.8 ft at 5:30PM Oct 05, 2022Observed: -1.89 ft at 5:40PM Oct 05, 2022Observed: -1.85 ft at 5:50PM Oct 05, 2022Observed: -1.78 ft at 6:00PM Oct 05, 2022Observed: -1.81 ft at 6:10PM Oct 05, 2022Observed: -1.82 ft at 6:20PM Oct 05, 2022Observed: -1.76 ft at 6:30PM Oct 05, 2022Observed: -1.83 ft at 6:40PM Oct 05, 2022Observed: -1.87 ft at 6:50PM Oct 05, 2022Observed: -1.82 ft at 7:00PM Oct 05, 2022Observed: -1.9 ft at 7:10PM Oct 05, 2022Observed: -1.88 ft at 7:20PM Oct 05, 2022Observed: -1.97 ft at 7:30PM Oct 05, 2022Observed: -2.01 ft at 7:40PM Oct 05, 2022Observed: -2.01 ft at 7:50PM Oct 05, 2022Observed: -1.97 ft at 8:00PM Oct 05, 2022Observed: -1.98 ft at 8:10PM Oct 05, 2022Observed: -1.95 ft at 8:20PM Oct 05, 2022Observed: -1.95 ft at 8:30PM Oct 05, 2022Observed: -2 ft at 8:40PM Oct 05, 2022Observed: -2.02 ft at 8:50PM Oct 05, 2022Observed: -2.12 ft at 9:00PM Oct 05, 2022Observed: -2.06 ft at 9:10PM Oct 05, 2022Observed: -2.08 ft at 9:20PM Oct 05, 2022Observed: -2.04 ft at 9:30PM Oct 05, 2022Observed: -2.03 ft at 9:40PM Oct 05, 2022Observed: -2.03 ft at 9:50PM Oct 05, 2022Observed: -2.05 ft at 10:00PM Oct 05, 2022Observed: -2.06 ft at 10:10PM Oct 05, 2022Observed: -2.05 ft at 10:20PM Oct 05, 2022Observed: -2.03 ft at 10:30PM Oct 05, 2022Observed: -2.03 ft at 10:40PM Oct 05, 2022Observed: -2.02 ft at 10:50PM Oct 05, 2022Observed: -2.04 ft at 11:00PM Oct 05, 2022Observed: -2.04 ft at 11:10PM Oct 05, 2022Observed: -2.05 ft at 11:20PM Oct 05, 2022Observed: -2.11 ft at 11:30PM Oct 05, 2022Observed: -2.1 ft at 11:40PM Oct 05, 2022Observed: -2.07 ft at 11:50PM Oct 05, 2022Observed: -2.12 ft at 12:00AM Oct 06, 2022Observed: -2.09 ft at 12:10AM Oct 06, 2022Observed: -2.02 ft at 12:20AM Oct 06, 2022Observed: -2.07 ft at 12:30AM Oct 06, 2022Observed: -2.08 ft at 12:40AM Oct 06, 2022Observed: -2.11 ft at 12:50AM Oct 06, 2022Observed: -2.13 ft at 1:00AM Oct 06, 2022Observed: -2.14 ft at 1:10AM Oct 06, 2022Observed: -2.13 ft at 1:20AM Oct 06, 2022Observed: -2.13 ft at 1:30AM Oct 06, 2022Observed: -2.12 ft at 1:40AM Oct 06, 2022Observed: -2.16 ft at 1:50AM Oct 06, 2022Observed: -2.16 ft at 2:00AM Oct 06, 2022Observed: -2.15 ft at 2:10AM Oct 06, 2022Observed: -2.17 ft at 2:20AM Oct 06, 2022Observed: -2.24 ft at 2:30AM Oct 06, 2022Observed: -2.26 ft at 2:40AM Oct 06, 2022Observed: -2.21 ft at 2:50AM Oct 06, 2022Observed: -2.21 ft at 3:00AM Oct 06, 2022Observed: -2.21 ft at 3:10AM Oct 06, 2022Observed: -2.15 ft at 3:20AM Oct 06, 2022Observed: -2.19 ft at 3:30AM Oct 06, 2022Observed: -2.22 ft at 3:40AM Oct 06, 2022Observed: -2.25 ft at 3:50AM Oct 06, 2022Observed: -2.22 ft at 4:00AM Oct 06, 2022Observed: -2.22 ft at 4:10AM Oct 06, 2022Observed: -2.24 ft at 4:20AM Oct 06, 2022Observed: -2.22 ft at 4:30AM Oct 06, 2022Observed: -2.23 ft at 4:40AM Oct 06, 2022Observed: -2.3 ft at 4:50AM Oct 06, 2022Observed: -2.27 ft at 5:00AM Oct 06, 2022Observed: -2.32 ft at 5:10AM Oct 06, 2022Observed: -2.36 ft at 5:20AM Oct 06, 2022Observed: -2.32 ft at 5:30AM Oct 06, 2022Observed: -2.32 ft at 5:40AM Oct 06, 2022Observed: -2.3 ft at 5:50AM Oct 06, 2022Observed: -2.28 ft at 6:00AM Oct 06, 2022Observed: -2.29 ft at 6:10AM Oct 06, 2022Observed: -2.3 ft at 6:20AM Oct 06, 2022Observed: -2.35 ft at 6:30AM Oct 06, 2022Observed: -2.34 ft at 6:40AM Oct 06, 2022Observed: -2.33 ft at 6:50AM Oct 06, 2022Observed: -2.34 ft at 7:00AM Oct 06, 2022Observed: -2.33 ft at 7:10AM Oct 06, 2022Observed: -2.32 ft at 7:20AM Oct 06, 2022Observed: -2.34 ft at 7:30AM Oct 06, 2022Observed: -2.33 ft at 7:40AM Oct 06, 2022Observed: -2.35 ft at 7:50AM Oct 06, 2022Observed: -2.32 ft at 8:00AM Oct 06, 2022Observed: -2.35 ft at 8:10AM Oct 06, 2022Observed: -2.35 ft at 8:20AM Oct 06, 2022Observed: -2.31 ft at 8:30AM Oct 06, 2022Observed: -2.35 ft at 8:40AM Oct 06, 2022Observed: -2.3 ft at 8:50AM Oct 06, 2022Observed: -2.27 ft at 9:00AM Oct 06, 2022Observed: -2.27 ft at 9:10AM Oct 06, 2022Observed: -2.3 ft at 9:20AM Oct 06, 2022Observed: -2.33 ft at 9:30AM Oct 06, 2022Observed: -2.28 ft at 9:40AM Oct 06, 2022Observed: -2.25 ft at 9:50AM Oct 06, 2022Observed: -2.26 ft at 10:00AM Oct 06, 2022Observed: -2.15 ft at 10:10AM Oct 06, 2022Observed: -2.19 ft at 10:20AM Oct 06, 2022Observed: -2.2 ft at 10:30AM Oct 06, 2022Observed: -2.22 ft at 10:40AM Oct 06, 2022Observed: -2.23 ft at 10:50AM Oct 06, 2022Observed: -2.17 ft at 11:00AM Oct 06, 2022Observed: -2.17 ft at 11:10AM Oct 06, 2022Observed: -2.18 ft at 11:20AM Oct 06, 2022Observed: -2.1 ft at 11:30AM Oct 06, 2022Observed: -2.17 ft at 11:40AM Oct 06, 2022Observed: -2.2 ft at 11:50AM Oct 06, 2022Observed: -2.22 ft at 12:20PM Oct 06, 2022Observed: -2.28 ft at 12:30PM Oct 06, 2022Observed: -2.21 ft at 12:40PM Oct 06, 2022Observed: -2.21 ft at 12:50PM Oct 06, 2022Observed: -2.23 ft at 1:00PM Oct 06, 2022Observed: -2.16 ft at 1:10PM Oct 06, 2022Observed: -2.17 ft at 1:20PM Oct 06, 2022Observed: -2.18 ft at 1:30PM Oct 06, 2022Observed: -2.25 ft at 1:40PM Oct 06, 2022Observed: -2.21 ft at 1:50PM Oct 06, 2022Observed: -2.14 ft at 2:00PM Oct 06, 2022Observed: -2.18 ft at 2:10PM Oct 06, 2022Observed: -2.21 ft at 2:20PM Oct 06, 2022Observed: -2.24 ft at 2:30PM Oct 06, 2022Observed: -2.26 ft at 2:40PM Oct 06, 2022Observed: -2.24 ft at 2:50PM Oct 06, 2022Observed: -2.19 ft at 3:00PM Oct 06, 2022Observed: -2.15 ft at 3:10PM Oct 06, 2022Observed: -2.12 ft at 3:20PM Oct 06, 2022Observed: -2.1 ft at 3:30PM Oct 06, 2022Observed: -2.13 ft at 3:40PM Oct 06, 2022Observed: -2.11 ft at 3:50PM Oct 06, 2022Observed: -2.08 ft at 4:00PM Oct 06, 2022Observed: -2.08 ft at 4:10PM Oct 06, 2022Observed: -2.11 ft at 4:20PM Oct 06, 2022Observed: -2.04 ft at 4:30PM Oct 06, 2022Observed: -2.11 ft at 4:40PM Oct 06, 2022Observed: -2.14 ft at 4:50PM Oct 06, 2022Observed: -2.18 ft at 5:00PM Oct 06, 2022Observed: -2.15 ft at 5:10PM Oct 06, 2022Observed: -2.11 ft at 5:20PM Oct 06, 2022Observed: -2.1 ft at 5:30PM Oct 06, 2022Observed: -2.07 ft at 5:40PM Oct 06, 2022Observed: -2.05 ft at 5:50PM Oct 06, 2022Observed: -2.09 ft at 6:00PM Oct 06, 2022Observed: -2.13 ft at 6:10PM Oct 06, 2022Observed: -2.1 ft at 6:20PM Oct 06, 2022Observed: -2.07 ft at 6:30PM Oct 06, 2022Observed: -2.09 ft at 6:40PM Oct 06, 2022Observed: -2.08 ft at 6:50PM Oct 06, 2022Observed: -2.06 ft at 7:00PM Oct 06, 2022Observed: -2.04 ft at 7:10PM Oct 06, 2022Observed: -2.04 ft at 7:20PM Oct 06, 2022Observed: -2.03 ft at 7:30PM Oct 06, 2022Observed: -2.01 ft at 7:40PM Oct 06, 2022Observed: -2.02 ft at 7:50PM Oct 06, 2022Observed: -2 ft at 8:00PM Oct 06, 2022Observed: -1.98 ft at 8:10PM Oct 06, 2022Observed: -1.93 ft at 8:20PM Oct 06, 2022Observed: -1.9 ft at 8:30PM Oct 06, 2022Observed: -1.91 ft at 8:40PM Oct 06, 2022Observed: -1.88 ft at 8:50PM Oct 06, 2022Observed: -2.03 ft at 9:00PM Oct 06, 2022Observed: -2 ft at 9:10PM Oct 06, 2022Observed: -1.96 ft at 9:20PM Oct 06, 2022Observed: -1.9 ft at 9:30PM Oct 06, 2022Observed: -1.9 ft at 9:40PM Oct 06, 2022Observed: -1.84 ft at 9:50PM Oct 06, 2022Observed: -1.87 ft at 10:00PM Oct 06, 2022Observed: -1.89 ft at 10:10PM Oct 06, 2022Observed: -1.96 ft at 10:20PM Oct 06, 2022Observed: -1.96 ft at 10:30PM Oct 06, 2022Observed: -1.95 ft at 10:40PM Oct 06, 2022Observed: -1.98 ft at 10:50PM Oct 06, 2022Observed: -1.98 ft at 11:00PM Oct 06, 2022Observed: -1.99 ft at 11:10PM Oct 06, 2022Observed: -2.02 ft at 11:20PM Oct 06, 2022Observed: -2.04 ft at 11:30PM Oct 06, 2022Observed: -2.01 ft at 11:40PM Oct 06, 2022Observed: -2.01 ft at 11:50PM Oct 06, 2022Observed: -2.05 ft at 12:00AM Oct 07, 2022Observed: -2.03 ft at 12:10AM Oct 07, 2022Observed: -2.03 ft at 12:20AM Oct 07, 2022Observed: -2.04 ft at 12:30AM Oct 07, 2022Observed: -2.03 ft at 12:40AM Oct 07, 2022Observed: -2.02 ft at 12:50AM Oct 07, 2022Observed: -2.04 ft at 1:00AM Oct 07, 2022Observed: -2.02 ft at 1:10AM Oct 07, 2022Observed: -2.04 ft at 1:20AM Oct 07, 2022Observed: -2.04 ft at 1:30AM Oct 07, 2022Observed: -2.01 ft at 1:40AM Oct 07, 2022Observed: -2.01 ft at 1:50AM Oct 07, 2022Observed: -2.02 ft at 2:00AM Oct 07, 2022Observed: -2.01 ft at 2:10AM Oct 07, 2022Observed: -2.03 ft at 2:20AM Oct 07, 2022Observed: -2.08 ft at 2:30AM Oct 07, 2022Observed: -2.13 ft at 2:40AM Oct 07, 2022Observed: -2.09 ft at 2:50AM Oct 07, 2022Observed: -2.1 ft at 3:00AM Oct 07, 2022Observed: -2.08 ft at 3:10AM Oct 07, 2022Observed: -2.03 ft at 3:20AM Oct 07, 2022Observed: -2.04 ft at 3:30AM Oct 07, 2022Observed: -2.07 ft at 3:40AM Oct 07, 2022Observed: -2.09 ft at 3:50AM Oct 07, 2022Observed: -2.14 ft at 4:00AM Oct 07, 2022Observed: -2.19 ft at 4:10AM Oct 07, 2022Observed: -2.16 ft at 4:20AM Oct 07, 2022Observed: -2.15 ft at 4:30AM Oct 07, 2022Observed: -2.14 ft at 4:40AM Oct 07, 2022Observed: -2.11 ft at 4:50AM Oct 07, 2022Observed: -2.12 ft at 5:00AM Oct 07, 2022Observed: -2.12 ft at 5:10AM Oct 07, 2022Observed: -2.15 ft at 5:20AM Oct 07, 2022Observed: -2.15 ft at 5:30AM Oct 07, 2022Observed: -2.14 ft at 5:40AM Oct 07, 2022Observed: -2.14 ft at 5:50AM Oct 07, 2022Observed: -2.15 ft at 6:00AM Oct 07, 2022Observed: -2.12 ft at 6:10AM Oct 07, 2022Observed: -2.15 ft at 6:20AM Oct 07, 2022Observed: -2.16 ft at 6:30AM Oct 07, 2022Observed: -2.15 ft at 6:40AM Oct 07, 2022Observed: -2.14 ft at 6:50AM Oct 07, 2022Observed: -2.16 ft at 7:00AM Oct 07, 2022Observed: -2.15 ft at 7:10AM Oct 07, 2022Observed: -2.14 ft at 7:20AM Oct 07, 2022Observed: -2.16 ft at 7:30AM Oct 07, 2022Observed: -2.17 ft at 7:40AM Oct 07, 2022Observed: -2.18 ft at 7:50AM Oct 07, 2022Observed: -2.18 ft at 8:00AM Oct 07, 2022Observed: -2.2 ft at 8:10AM Oct 07, 2022Observed: -2.2 ft at 8:20AM Oct 07, 2022Observed: -2.19 ft at 8:30AM Oct 07, 2022Observed: -2.2 ft at 8:40AM Oct 07, 2022Observed: -2.21 ft at 8:50AM Oct 07, 2022Observed: -2.2 ft at 9:00AM Oct 07, 2022Observed: -2.22 ft at 9:10AM Oct 07, 2022Observed: -2.23 ft at 9:20AM Oct 07, 2022Observed: -2.23 ft at 9:30AM Oct 07, 2022Observed: -2.22 ft at 9:40AM Oct 07, 2022Observed: -2.22 ft at 9:50AM Oct 07, 2022Observed: -2.24 ft at 10:00AM Oct 07, 2022Observed: -2.22 ft at 10:10AM Oct 07, 2022Observed: -2.24 ft at 10:20AM Oct 07, 2022Observed: -2.24 ft at 10:30AM Oct 07, 2022Observed: -2.23 ft at 10:40AM Oct 07, 2022Observed: -2.26 ft at 10:50AM Oct 07, 2022Observed: -2.24 ft at 11:00AM Oct 07, 2022Observed: -2.25 ft at 11:10AM Oct 07, 2022Observed: -2.26 ft at 11:20AM Oct 07, 2022Observed: -2.25 ft at 11:30AM Oct 07, 2022Observed: -2.28 ft at 11:40AM Oct 07, 2022Observed: -2.27 ft at 11:50AM Oct 07, 2022Observed: -2.27 ft at 12:20PM Oct 07, 2022Observed: -2.26 ft at 12:30PM Oct 07, 2022Observed: -2.29 ft at 12:40PM Oct 07, 2022Observed: -2.29 ft at 12:50PM Oct 07, 2022USGS--Water Resources of the United StatesCSWI2(plotting HGIRP) Graph Created (1:55PM Oct 7, 2022)ObservedLatest observed value: -2.29 ft at 12:50 PM CDT 7-Oct-2022. Flood Stage is 4 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
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
KML Image
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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Page last modified: 2-Nov-2020 7:29 PM
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