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Hydrograph River at a Glance Download
Grand River at Ionia Stage (ft)Flow (kcfs)Highest Observation: 17.16 ft at 11:45PM Jun 26, 2015Highest Observation: 17.16 ft at 12:00AM Jun 27, 2015Observed: 17.15 ft at 12:15AM Jun 27, 2015Observed: 17.15 ft at 12:30AM Jun 27, 2015Observed: 17.14 ft at 12:45AM Jun 27, 2015Observed: 17.14 ft at 1:00AM Jun 27, 2015Observed: 17.13 ft at 1:15AM Jun 27, 2015Observed: 17.13 ft at 1:30AM Jun 27, 2015Observed: 17.12 ft at 1:45AM Jun 27, 2015Observed: 17.12 ft at 2:00AM Jun 27, 2015Observed: 17.11 ft at 2:15AM Jun 27, 2015Observed: 17.1 ft at 2:30AM Jun 27, 2015Observed: 17.1 ft at 2:45AM Jun 27, 2015Observed: 17.09 ft at 3:00AM Jun 27, 2015Observed: 17.08 ft at 3:15AM Jun 27, 2015Observed: 17.08 ft at 3:30AM Jun 27, 2015Observed: 17.07 ft at 3:45AM Jun 27, 2015Observed: 17.07 ft at 4:00AM Jun 27, 2015Observed: 17.06 ft at 4:15AM Jun 27, 2015Observed: 17.05 ft at 4:30AM Jun 27, 2015Observed: 17.05 ft at 4:45AM Jun 27, 2015Observed: 17.04 ft at 5:00AM Jun 27, 2015Observed: 17.03 ft at 5:15AM Jun 27, 2015Observed: 17.03 ft at 5:30AM Jun 27, 2015Observed: 17.02 ft at 5:45AM Jun 27, 2015Observed: 17.01 ft at 6:00AM Jun 27, 2015Observed: 17 ft at 6:15AM Jun 27, 2015Observed: 17 ft at 6:30AM Jun 27, 2015Observed: 16.99 ft at 6:45AM Jun 27, 2015Observed: 16.98 ft at 7:00AM Jun 27, 2015Observed: 16.98 ft at 7:15AM Jun 27, 2015Observed: 16.97 ft at 7:30AM Jun 27, 2015Observed: 16.96 ft at 7:45AM Jun 27, 2015Observed: 16.96 ft at 8:00AM Jun 27, 2015Observed: 16.95 ft at 8:15AM Jun 27, 2015Observed: 16.94 ft at 8:30AM Jun 27, 2015Observed: 16.94 ft at 8:45AM Jun 27, 2015Observed: 16.93 ft at 9:00AM Jun 27, 2015Observed: 16.93 ft at 9:15AM Jun 27, 2015Observed: 16.92 ft at 9:30AM Jun 27, 2015Observed: 16.92 ft at 9:45AM Jun 27, 2015Observed: 16.91 ft at 10:00AM Jun 27, 2015Observed: 16.91 ft at 10:15AM Jun 27, 2015Observed: 16.9 ft at 10:30AM Jun 27, 2015Observed: 16.89 ft at 10:45AM Jun 27, 2015Observed: 16.89 ft at 11:00AM Jun 27, 2015Observed: 16.88 ft at 11:15AM Jun 27, 2015Observed: 16.87 ft at 11:30AM Jun 27, 2015Observed: 16.87 ft at 11:45AM Jun 27, 2015Observed: 16.86 ft at 12:00PM Jun 27, 2015Observed: 16.86 ft at 12:15PM Jun 27, 2015Observed: 16.85 ft at 12:30PM Jun 27, 2015Observed: 16.84 ft at 12:45PM Jun 27, 2015Observed: 16.84 ft at 1:00PM Jun 27, 2015Observed: 16.83 ft at 1:15PM Jun 27, 2015Observed: 16.83 ft at 1:30PM Jun 27, 2015Observed: 16.82 ft at 1:45PM Jun 27, 2015Observed: 16.81 ft at 2:00PM Jun 27, 2015Observed: 16.81 ft at 2:15PM Jun 27, 2015Observed: 16.8 ft at 2:30PM Jun 27, 2015Observed: 16.79 ft at 2:45PM Jun 27, 2015Observed: 16.79 ft at 3:00PM Jun 27, 2015Observed: 16.78 ft at 3:15PM Jun 27, 2015Observed: 16.77 ft at 3:30PM Jun 27, 2015Observed: 16.77 ft at 3:45PM Jun 27, 2015Observed: 16.76 ft at 4:00PM Jun 27, 2015Observed: 16.75 ft at 4:15PM Jun 27, 2015Observed: 16.74 ft at 4:30PM Jun 27, 2015Observed: 16.74 ft at 4:45PM Jun 27, 2015Observed: 16.73 ft at 5:00PM Jun 27, 2015Observed: 16.72 ft at 5:15PM Jun 27, 2015Observed: 16.72 ft at 5:30PM Jun 27, 2015Observed: 16.71 ft at 5:45PM Jun 27, 2015Observed: 16.7 ft at 6:00PM Jun 27, 2015Observed: 16.69 ft at 6:15PM Jun 27, 2015Observed: 16.68 ft at 6:30PM Jun 27, 2015Observed: 16.67 ft at 6:45PM Jun 27, 2015Observed: 16.67 ft at 7:00PM Jun 27, 2015Observed: 16.66 ft at 7:15PM Jun 27, 2015Observed: 16.65 ft at 7:30PM Jun 27, 2015Observed: 16.65 ft at 7:45PM Jun 27, 2015Observed: 16.64 ft at 8:00PM Jun 27, 2015Observed: 16.63 ft at 8:15PM Jun 27, 2015Observed: 16.62 ft at 8:30PM Jun 27, 2015Observed: 16.61 ft at 8:45PM Jun 27, 2015Observed: 16.61 ft at 9:00PM Jun 27, 2015Observed: 16.6 ft at 9:15PM Jun 27, 2015Observed: 16.59 ft at 9:30PM Jun 27, 2015Observed: 16.59 ft at 9:45PM Jun 27, 2015Observed: 16.58 ft at 10:00PM Jun 27, 2015Observed: 16.58 ft at 10:15PM Jun 27, 2015Observed: 16.57 ft at 10:30PM Jun 27, 2015Observed: 16.56 ft at 10:45PM Jun 27, 2015Observed: 16.55 ft at 11:00PM Jun 27, 2015Observed: 16.54 ft at 11:15PM Jun 27, 2015Observed: 16.54 ft at 11:30PM Jun 27, 2015Observed: 16.53 ft at 11:45PM Jun 27, 2015Observed: 16.53 ft at 12:00AM Jun 28, 2015Observed: 16.52 ft at 12:15AM Jun 28, 2015Observed: 16.52 ft at 12:30AM Jun 28, 2015Observed: 16.51 ft at 12:45AM Jun 28, 2015Observed: 16.5 ft at 1:00AM Jun 28, 2015Observed: 16.5 ft at 1:15AM Jun 28, 2015Observed: 16.49 ft at 1:30AM Jun 28, 2015Observed: 16.49 ft at 1:45AM Jun 28, 2015Observed: 16.48 ft at 2:00AM Jun 28, 2015Observed: 16.47 ft at 2:15AM Jun 28, 2015Observed: 16.47 ft at 2:30AM Jun 28, 2015Observed: 16.46 ft at 2:45AM Jun 28, 2015Observed: 16.45 ft at 3:00AM Jun 28, 2015Observed: 16.45 ft at 3:15AM Jun 28, 2015Observed: 16.44 ft at 3:30AM Jun 28, 2015Observed: 16.43 ft at 3:45AM Jun 28, 2015Observed: 16.43 ft at 4:00AM Jun 28, 2015Observed: 16.42 ft at 4:15AM Jun 28, 2015Observed: 16.41 ft at 4:30AM Jun 28, 2015Observed: 16.41 ft at 4:45AM Jun 28, 2015Observed: 16.4 ft at 5:00AM Jun 28, 2015Observed: 16.39 ft at 5:15AM Jun 28, 2015Observed: 16.38 ft at 5:30AM Jun 28, 2015Observed: 16.38 ft at 5:45AM Jun 28, 2015Observed: 16.37 ft at 6:00AM Jun 28, 2015Observed: 16.36 ft at 6:15AM Jun 28, 2015Observed: 16.35 ft at 6:30AM Jun 28, 2015Observed: 16.35 ft at 6:45AM Jun 28, 2015Observed: 16.34 ft at 7:00AM Jun 28, 2015Observed: 16.33 ft at 7:15AM Jun 28, 2015Observed: 16.32 ft at 7:30AM Jun 28, 2015Observed: 16.31 ft at 7:45AM Jun 28, 2015Observed: 16.31 ft at 8:00AM Jun 28, 2015Observed: 16.3 ft at 8:15AM Jun 28, 2015Observed: 16.29 ft at 8:30AM Jun 28, 2015Observed: 16.28 ft at 8:45AM Jun 28, 2015Observed: 16.28 ft at 9:00AM Jun 28, 2015Observed: 16.27 ft at 9:15AM Jun 28, 2015Observed: 16.26 ft at 9:30AM Jun 28, 2015Observed: 16.25 ft at 9:45AM Jun 28, 2015Observed: 16.25 ft at 10:00AM Jun 28, 2015Observed: 16.24 ft at 10:15AM Jun 28, 2015Observed: 16.23 ft at 10:30AM Jun 28, 2015Observed: 16.22 ft at 10:45AM Jun 28, 2015Observed: 16.21 ft at 11:00AM Jun 28, 2015Observed: 16.21 ft at 11:15AM Jun 28, 2015Observed: 16.2 ft at 11:30AM Jun 28, 2015Observed: 16.19 ft at 11:45AM Jun 28, 2015Observed: 16.18 ft at 12:00PM Jun 28, 2015Observed: 16.17 ft at 12:15PM Jun 28, 2015Observed: 16.17 ft at 12:30PM Jun 28, 2015Observed: 16.16 ft at 12:45PM Jun 28, 2015Observed: 16.15 ft at 1:00PM Jun 28, 2015Observed: 16.14 ft at 1:15PM Jun 28, 2015Observed: 16.13 ft at 1:30PM Jun 28, 2015Observed: 16.12 ft at 1:45PM Jun 28, 2015Observed: 16.11 ft at 2:00PM Jun 28, 2015Observed: 16.1 ft at 2:15PM Jun 28, 2015Observed: 16.09 ft at 2:30PM Jun 28, 2015Observed: 16.08 ft at 2:45PM Jun 28, 2015Observed: 16.07 ft at 3:00PM Jun 28, 2015Observed: 16.07 ft at 3:15PM Jun 28, 2015Observed: 16.06 ft at 3:30PM Jun 28, 2015Observed: 16.05 ft at 3:45PM Jun 28, 2015Observed: 16.04 ft at 4:00PM Jun 28, 2015Observed: 16.03 ft at 4:15PM Jun 28, 2015Observed: 16.02 ft at 4:30PM Jun 28, 2015Observed: 16.01 ft at 4:45PM Jun 28, 2015Observed: 15.99 ft at 5:00PM Jun 28, 2015Observed: 15.99 ft at 5:15PM Jun 28, 2015Observed: 15.98 ft at 5:30PM Jun 28, 2015Observed: 15.97 ft at 5:45PM Jun 28, 2015Observed: 15.96 ft at 6:00PM Jun 28, 2015Observed: 15.95 ft at 6:15PM Jun 28, 2015Observed: 15.94 ft at 6:30PM Jun 28, 2015Observed: 15.93 ft at 6:45PM Jun 28, 2015Observed: 15.92 ft at 7:00PM Jun 28, 2015Observed: 15.92 ft at 7:15PM Jun 28, 2015Observed: 15.91 ft at 7:30PM Jun 28, 2015Observed: 15.9 ft at 7:45PM Jun 28, 2015Observed: 15.89 ft at 8:00PM Jun 28, 2015Observed: 15.89 ft at 8:15PM Jun 28, 2015Observed: 15.88 ft at 8:30PM Jun 28, 2015Observed: 15.87 ft at 8:45PM Jun 28, 2015Observed: 15.87 ft at 9:00PM Jun 28, 2015Observed: 15.86 ft at 9:15PM Jun 28, 2015Observed: 15.85 ft at 9:30PM Jun 28, 2015Observed: 15.85 ft at 9:45PM Jun 28, 2015Observed: 15.84 ft at 10:00PM Jun 28, 2015Observed: 15.84 ft at 10:15PM Jun 28, 2015Observed: 15.83 ft at 10:30PM Jun 28, 2015Observed: 15.82 ft at 10:45PM Jun 28, 2015Observed: 15.82 ft at 11:00PM Jun 28, 2015Observed: 15.81 ft at 11:15PM Jun 28, 2015Observed: 15.8 ft at 11:30PM Jun 28, 2015Observed: 15.79 ft at 11:45PM Jun 28, 2015Observed: 15.78 ft at 12:00AM Jun 29, 2015Observed: 15.77 ft at 12:15AM Jun 29, 2015Observed: 15.76 ft at 12:30AM Jun 29, 2015Observed: 15.75 ft at 12:45AM Jun 29, 2015Observed: 15.74 ft at 1:00AM Jun 29, 2015Observed: 15.73 ft at 1:15AM Jun 29, 2015Observed: 15.72 ft at 1:30AM Jun 29, 2015Observed: 15.71 ft at 1:45AM Jun 29, 2015Observed: 15.7 ft at 2:00AM Jun 29, 2015Observed: 15.69 ft at 2:15AM Jun 29, 2015Observed: 15.68 ft at 2:30AM Jun 29, 2015Observed: 15.67 ft at 2:45AM Jun 29, 2015Observed: 15.66 ft at 3:00AM Jun 29, 2015Observed: 15.65 ft at 3:15AM Jun 29, 2015Observed: 15.64 ft at 3:30AM Jun 29, 2015Observed: 15.63 ft at 3:45AM Jun 29, 2015Observed: 15.62 ft at 4:00AM Jun 29, 2015Observed: 15.61 ft at 4:15AM Jun 29, 2015Observed: 15.6 ft at 4:30AM Jun 29, 2015Observed: 15.58 ft at 4:45AM Jun 29, 2015Observed: 15.57 ft at 5:00AM Jun 29, 2015Observed: 15.56 ft at 5:15AM Jun 29, 2015Observed: 15.55 ft at 5:30AM Jun 29, 2015Observed: 15.53 ft at 5:45AM Jun 29, 2015Observed: 15.52 ft at 6:00AM Jun 29, 2015Observed: 15.5 ft at 6:15AM Jun 29, 2015Observed: 15.49 ft at 6:30AM Jun 29, 2015Observed: 15.47 ft at 6:45AM Jun 29, 2015Observed: 15.46 ft at 7:00AM Jun 29, 2015Observed: 15.44 ft at 7:15AM Jun 29, 2015Observed: 15.43 ft at 7:30AM Jun 29, 2015Observed: 15.41 ft at 7:45AM Jun 29, 2015Observed: 15.39 ft at 8:00AM Jun 29, 2015Observed: 15.38 ft at 8:15AM Jun 29, 2015Observed: 15.36 ft at 8:30AM Jun 29, 2015Observed: 15.35 ft at 8:45AM Jun 29, 2015Observed: 15.33 ft at 9:00AM Jun 29, 2015Observed: 15.32 ft at 9:15AM Jun 29, 2015Observed: 15.31 ft at 9:30AM Jun 29, 2015Observed: 15.3 ft at 9:45AM Jun 29, 2015Observed: 15.29 ft at 10:00AM Jun 29, 2015Observed: 15.28 ft at 10:15AM Jun 29, 2015Observed: 15.26 ft at 10:30AM Jun 29, 2015Observed: 15.25 ft at 10:45AM Jun 29, 2015Observed: 15.24 ft at 11:00AM Jun 29, 2015Observed: 15.23 ft at 11:15AM Jun 29, 2015Observed: 15.22 ft at 11:30AM Jun 29, 2015Observed: 15.21 ft at 11:45AM Jun 29, 2015Observed: 15.19 ft at 12:00PM Jun 29, 2015Observed: 15.18 ft at 12:15PM Jun 29, 2015Observed: 15.17 ft at 12:30PM Jun 29, 2015Observed: 15.17 ft at 12:45PM Jun 29, 2015Observed: 15.15 ft at 1:00PM Jun 29, 2015Observed: 15.14 ft at 1:15PM Jun 29, 2015Observed: 15.13 ft at 1:30PM Jun 29, 2015Observed: 15.12 ft at 1:45PM Jun 29, 2015Observed: 15.11 ft at 2:00PM Jun 29, 2015Observed: 15.1 ft at 2:15PM Jun 29, 2015Observed: 15.09 ft at 2:30PM Jun 29, 2015Observed: 15.09 ft at 2:45PM Jun 29, 2015Observed: 15.08 ft at 3:00PM Jun 29, 2015Observed: 15.07 ft at 3:15PM Jun 29, 2015Observed: 15.07 ft at 3:30PM Jun 29, 2015Observed: 15.06 ft at 3:45PM Jun 29, 2015Observed: 15.06 ft at 4:00PM Jun 29, 2015Observed: 15.05 ft at 4:15PM Jun 29, 2015Observed: 15.05 ft at 4:30PM Jun 29, 2015Observed: 15.04 ft at 4:45PM Jun 29, 2015Observed: 15.03 ft at 5:00PM Jun 29, 2015Observed: 15.03 ft at 5:15PM Jun 29, 2015Observed: 15.02 ft at 5:30PM Jun 29, 2015Observed: 15.02 ft at 5:45PM Jun 29, 2015Observed: 15.01 ft at 6:00PM Jun 29, 2015Observed: 15.01 ft at 6:15PM Jun 29, 2015Observed: 15 ft at 6:30PM Jun 29, 2015Observed: 15 ft at 6:45PM Jun 29, 2015Observed: 14.99 ft at 7:00PM Jun 29, 2015Observed: 14.98 ft at 7:15PM Jun 29, 2015Observed: 14.98 ft at 7:30PM Jun 29, 2015Observed: 14.97 ft at 7:45PM Jun 29, 2015Observed: 14.96 ft at 8:00PM Jun 29, 2015Observed: 14.96 ft at 8:15PM Jun 29, 2015Observed: 14.96 ft at 8:30PM Jun 29, 2015Observed: 14.95 ft at 8:45PM Jun 29, 2015Observed: 14.94 ft at 9:00PM Jun 29, 2015Observed: 14.94 ft at 9:15PM Jun 29, 2015Observed: 14.93 ft at 9:30PM Jun 29, 2015Observed: 14.93 ft at 9:45PM Jun 29, 2015Observed: 14.92 ft at 10:00PM Jun 29, 2015Observed: 14.91 ft at 10:15PM Jun 29, 2015Observed: 14.91 ft at 10:30PM Jun 29, 2015Observed: 14.9 ft at 10:45PM Jun 29, 2015Observed: 14.89 ft at 11:00PM Jun 29, 2015Observed: 14.89 ft at 11:15PM Jun 29, 2015Observed: 14.88 ft at 11:30PM Jun 29, 2015Observed: 14.87 ft at 11:45PM Jun 29, 2015Observed: 14.86 ft at 12:00AM Jun 30, 2015Observed: 14.85 ft at 12:15AM Jun 30, 2015Observed: 14.84 ft at 12:30AM Jun 30, 2015Observed: 14.84 ft at 12:45AM Jun 30, 2015Observed: 14.83 ft at 1:00AM Jun 30, 2015Observed: 14.82 ft at 1:15AM Jun 30, 2015Observed: 14.81 ft at 1:30AM Jun 30, 2015Observed: 14.8 ft at 1:45AM Jun 30, 2015Observed: 14.79 ft at 2:00AM Jun 30, 2015Observed: 14.78 ft at 2:15AM Jun 30, 2015Observed: 14.78 ft at 2:30AM Jun 30, 2015Observed: 14.77 ft at 2:45AM Jun 30, 2015Observed: 14.76 ft at 3:00AM Jun 30, 2015Observed: 14.75 ft at 3:15AM Jun 30, 2015Observed: 14.74 ft at 3:30AM Jun 30, 2015Observed: 14.74 ft at 3:45AM Jun 30, 2015Observed: 14.73 ft at 4:00AM Jun 30, 2015Observed: 14.72 ft at 4:15AM Jun 30, 2015Observed: 14.71 ft at 4:30AM Jun 30, 2015Observed: 14.71 ft at 4:45AM Jun 30, 2015Observed: 14.7 ft at 5:00AM Jun 30, 2015Observed: 14.7 ft at 5:15AM Jun 30, 2015Observed: 14.69 ft at 5:30AM Jun 30, 2015Observed: 14.68 ft at 5:45AM Jun 30, 2015Observed: 14.68 ft at 6:00AM Jun 30, 2015Observed: 14.67 ft at 6:15AM Jun 30, 2015Observed: 14.66 ft at 6:30AM Jun 30, 2015Observed: 14.66 ft at 6:45AM Jun 30, 2015Observed: 14.66 ft at 7:00AM Jun 30, 2015Observed: 14.65 ft at 7:15AM Jun 30, 2015Observed: 14.64 ft at 7:30AM Jun 30, 2015Observed: 14.64 ft at 7:45AM Jun 30, 2015Observed: 14.62 ft at 8:00AM Jun 30, 2015Observed: 14.62 ft at 8:15AM Jun 30, 2015Observed: 14.61 ft at 8:30AM Jun 30, 2015Observed: 14.61 ft at 8:45AM Jun 30, 2015Observed: 14.6 ft at 9:00AM Jun 30, 2015Observed: 14.6 ft at 9:15AM Jun 30, 2015Observed: 14.59 ft at 9:30AM Jun 30, 2015Observed: 14.59 ft at 9:45AM Jun 30, 2015Observed: 14.59 ft at 10:00AM Jun 30, 2015Observed: 14.58 ft at 10:15AM Jun 30, 2015Observed: 14.57 ft at 10:30AM Jun 30, 2015Observed: 14.56 ft at 10:45AM Jun 30, 2015Observed: 14.56 ft at 11:00AM Jun 30, 2015Observed: 14.55 ft at 11:15AM Jun 30, 2015Observed: 14.55 ft at 11:30AM Jun 30, 2015Observed: 14.54 ft at 11:45AM Jun 30, 2015Observed: 14.53 ft at 12:00PM Jun 30, 2015Observed: 14.52 ft at 12:15PM Jun 30, 2015Observed: 14.51 ft at 12:30PM Jun 30, 2015Observed: 14.51 ft at 12:45PM Jun 30, 2015Observed: 14.5 ft at 1:00PM Jun 30, 2015Observed: 14.49 ft at 1:15PM Jun 30, 2015Observed: 14.48 ft at 1:30PM Jun 30, 2015Observed: 14.47 ft at 1:45PM Jun 30, 2015Observed: 14.47 ft at 2:00PM Jun 30, 2015Observed: 14.46 ft at 2:15PM Jun 30, 2015Observed: 14.46 ft at 2:30PM Jun 30, 2015Observed: 14.45 ft at 2:45PM Jun 30, 2015Observed: 14.45 ft at 3:00PM Jun 30, 2015Observed: 14.45 ft at 3:15PM Jun 30, 2015Observed: 14.43 ft at 3:30PM Jun 30, 2015Observed: 14.42 ft at 3:45PM Jun 30, 2015Observed: 14.41 ft at 4:00PM Jun 30, 2015Observed: 14.41 ft at 4:15PM Jun 30, 2015Observed: 14.4 ft at 4:30PM Jun 30, 2015Observed: 14.39 ft at 4:45PM Jun 30, 2015Observed: 14.39 ft at 5:00PM Jun 30, 2015Observed: 14.38 ft at 5:15PM Jun 30, 2015Observed: 14.37 ft at 5:30PM Jun 30, 2015Observed: 14.37 ft at 5:45PM Jun 30, 2015Observed: 14.37 ft at 6:00PM Jun 30, 2015Observed: 14.35 ft at 6:15PM Jun 30, 2015Observed: 14.35 ft at 6:30PM Jun 30, 2015Observed: 14.35 ft at 6:45PM Jun 30, 2015Observed: 14.35 ft at 7:00PM Jun 30, 2015Observed: 14.34 ft at 7:15PM Jun 30, 2015Observed: 14.34 ft at 7:30PM Jun 30, 2015Observed: 14.34 ft at 7:45PM Jun 30, 2015Observed: 14.33 ft at 8:00PM Jun 30, 2015Observed: 14.33 ft at 8:15PM Jun 30, 2015Observed: 14.32 ft at 8:30PM Jun 30, 2015Observed: 14.32 ft at 8:45PM Jun 30, 2015Observed: 14.32 ft at 9:00PM Jun 30, 2015Observed: 14.32 ft at 9:15PM Jun 30, 2015Observed: 14.31 ft at 9:30PM Jun 30, 2015Observed: 14.31 ft at 9:45PM Jun 30, 2015Observed: 14.31 ft at 10:00PM Jun 30, 2015Observed: 14.3 ft at 10:15PM Jun 30, 2015Observed: 14.3 ft at 10:30PM Jun 30, 2015Observed: 14.29 ft at 10:45PM Jun 30, 2015Observed: 14.28 ft at 11:00PM Jun 30, 2015Observed: 14.28 ft at 11:15PM Jun 30, 2015Observed: 14.27 ft at 11:30PM Jun 30, 2015Observed: 14.27 ft at 11:45PM Jun 30, 2015Observed: 14.26 ft at 12:00AM Jul 01, 2015Observed: 14.25 ft at 12:15AM Jul 01, 2015Observed: 14.24 ft at 12:30AM Jul 01, 2015Observed: 14.23 ft at 12:45AM Jul 01, 2015Observed: 14.23 ft at 1:00AM Jul 01, 2015Observed: 14.22 ft at 1:15AM Jul 01, 2015Observed: 14.21 ft at 1:30AM Jul 01, 2015Observed: 14.2 ft at 1:45AM Jul 01, 2015Observed: 14.19 ft at 2:00AM Jul 01, 2015Observed: 14.19 ft at 2:15AM Jul 01, 2015Observed: 14.18 ft at 2:30AM Jul 01, 2015Observed: 14.17 ft at 2:45AM Jul 01, 2015Observed: 14.17 ft at 3:00AM Jul 01, 2015Observed: 14.16 ft at 3:15AM Jul 01, 2015Observed: 14.15 ft at 3:30AM Jul 01, 2015Observed: 14.15 ft at 3:45AM Jul 01, 2015Observed: 14.14 ft at 4:00AM Jul 01, 2015Observed: 14.14 ft at 4:15AM Jul 01, 2015Observed: 14.14 ft at 4:30AM Jul 01, 2015Observed: 14.13 ft at 4:45AM Jul 01, 2015Observed: 14.13 ft at 5:00AM Jul 01, 2015Observed: 14.13 ft at 5:15AM Jul 01, 2015Observed: 14.12 ft at 5:30AM Jul 01, 2015Observed: 14.12 ft at 5:45AM Jul 01, 2015Observed: 14.12 ft at 6:00AM Jul 01, 2015Observed: 14.12 ft at 6:15AM Jul 01, 2015Observed: 14.11 ft at 6:30AM Jul 01, 2015Observed: 14.11 ft at 6:45AM Jul 01, 2015Observed: 14.1 ft at 7:00AM Jul 01, 2015Observed: 14.1 ft at 7:15AM Jul 01, 2015Observed: 14.1 ft at 7:30AM Jul 01, 2015Observed: 14.1 ft at 7:45AM Jul 01, 2015Observed: 14.1 ft at 8:00AM Jul 01, 2015Observed: 14.09 ft at 8:15AM Jul 01, 2015Observed: 14.09 ft at 8:30AM Jul 01, 2015Observed: 14.09 ft at 8:45AM Jul 01, 2015Observed: 14.08 ft at 9:00AM Jul 01, 2015Observed: 14.08 ft at 9:15AM Jul 01, 2015Observed: 14.08 ft at 9:30AM Jul 01, 2015Observed: 14.07 ft at 9:45AM Jul 01, 2015Observed: 14.07 ft at 10:00AM Jul 01, 2015Observed: 14.07 ft at 10:15AM Jul 01, 2015Observed: 14.07 ft at 10:30AM Jul 01, 2015Observed: 14.06 ft at 10:45AM Jul 01, 2015Observed: 14.06 ft at 11:00AM Jul 01, 2015Observed: 14.05 ft at 11:15AM Jul 01, 2015Observed: 14.05 ft at 11:30AM Jul 01, 2015Observed: 14.05 ft at 11:45AM Jul 01, 2015Observed: 14.05 ft at 12:00PM Jul 01, 2015Observed: 14.04 ft at 12:15PM Jul 01, 2015Observed: 14.03 ft at 12:30PM Jul 01, 2015Observed: 14.03 ft at 12:45PM Jul 01, 2015Observed: 14.03 ft at 1:00PM Jul 01, 2015Observed: 14.03 ft at 1:15PM Jul 01, 2015Observed: 14.03 ft at 1:30PM Jul 01, 2015Observed: 14.03 ft at 1:45PM Jul 01, 2015Observed: 14.03 ft at 2:00PM Jul 01, 2015Observed: 14.03 ft at 2:15PM Jul 01, 2015Observed: 14.03 ft at 2:30PM Jul 01, 2015Observed: 14.03 ft at 2:45PM Jul 01, 2015Observed: 14.03 ft at 3:00PM Jul 01, 2015Observed: 14.03 ft at 3:15PM Jul 01, 2015Observed: 14.03 ft at 3:30PM Jul 01, 2015Observed: 14.03 ft at 3:45PM Jul 01, 2015Observed: 14.03 ft at 4:00PM Jul 01, 2015Observed: 14.03 ft at 4:15PM Jul 01, 2015Observed: 14.03 ft at 4:30PM Jul 01, 2015Observed: 14.03 ft at 4:45PM Jul 01, 2015Observed: 14.03 ft at 5:00PM Jul 01, 2015Observed: 14.03 ft at 5:15PM Jul 01, 2015Observed: 14.02 ft at 5:30PM Jul 01, 2015Observed: 14.02 ft at 5:45PM Jul 01, 2015Observed: 14.02 ft at 6:00PM Jul 01, 2015Observed: 14.02 ft at 6:15PM Jul 01, 2015Observed: 14.02 ft at 6:30PM Jul 01, 2015Observed: 14.02 ft at 6:45PM Jul 01, 2015Observed: 14.02 ft at 7:00PM Jul 01, 2015Observed: 14.02 ft at 7:15PM Jul 01, 2015Observed: 14.02 ft at 7:30PM Jul 01, 2015Observed: 14.02 ft at 7:45PM Jul 01, 2015Observed: 14.02 ft at 8:00PM Jul 01, 2015Observed: 14.02 ft at 8:15PM Jul 01, 2015Observed: 14.03 ft at 8:30PM Jul 01, 2015Observed: 14.03 ft at 8:45PM Jul 01, 2015Observed: 14.03 ft at 9:00PM Jul 01, 2015Observed: 14.03 ft at 9:15PM Jul 01, 2015Observed: 14.04 ft at 9:30PM Jul 01, 2015Observed: 14.04 ft at 9:45PM Jul 01, 2015Observed: 14.04 ft at 10:00PM Jul 01, 2015Observed: 14.05 ft at 10:15PM Jul 01, 2015Observed: 14.05 ft at 10:30PM Jul 01, 2015Observed: 14.05 ft at 10:45PM Jul 01, 2015Forecast: 14.1 ft 2:00AM Jul 02, 2015Highest Forecast: 14.2 ft 8:00AM Jul 02, 2015Forecast: 14.1 ft 2:00PM Jul 02, 2015Forecast: 14 ft 8:00PM Jul 02, 2015Forecast: 14 ft 2:00AM Jul 03, 2015Forecast: 13.9 ft 8:00AM Jul 03, 2015Forecast: 13.8 ft 2:00PM Jul 03, 2015Forecast: 13.7 ft 8:00PM Jul 03, 2015Forecast: 13.7 ft 2:00AM Jul 04, 2015Forecast: 13.5 ft 8:00AM Jul 04, 2015Forecast: 13.4 ft 2:00PM Jul 04, 2015Forecast: 13.3 ft 8:00PM Jul 04, 2015Forecast: 13.1 ft 2:00AM Jul 05, 2015Forecast: 13 ft 8:00AM Jul 05, 2015Forecast: 12.8 ft 2:00PM Jul 05, 2015Forecast: 12.7 ft 8:00PM Jul 05, 2015Forecast: 12.5 ft 2:00AM Jul 06, 2015Forecast: 12.3 ft 8:00AM Jul 06, 2015Forecast: 12.2 ft 2:00PM Jul 06, 2015Forecast: 12 ft 8:00PM Jul 06, 2015Forecast: 11.9 ft 2:00AM Jul 07, 2015Forecast: 11.8 ft 8:00AM Jul 07, 2015Forecast: 11.7 ft 2:00PM Jul 07, 2015Forecast: 11.6 ft 8:00PM Jul 07, 2015Forecast: 11.5 ft 2:00AM Jul 08, 2015Forecast: 11.5 ft 8:00AM Jul 08, 2015Forecast: 11.4 ft 2:00PM Jul 08, 2015Forecast: 11.3 ft 8:00PM Jul 08, 2015USGS--Water Resources of the United StatesIONM4(plotting HGIRG) Graph Created (11:33PM Jul 1, 2015)ObservedForecast (issued 11:02PM Jul 1)Latest observed value: 14.05 ft at 10:45 PM EDT 1-Jul-2015. Flood Stage is 21 ft
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Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Gauge reading may be affected by ice during freezing weather from November to April.

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

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Flood Categories (in feet)
Major Flood Stage: 25
Moderate Flood Stage: 23
Flood Stage: 21
Action Stage: 13.5
Low Stage (in feet): 0

Historic Crests
(1) 24.69 ft on 04/20/2013
(2) 24.30 ft on 03/21/1948
(3) 23.60 ft on 04/07/1947
(4) 23.43 ft on 04/01/1960
(5) 23.41 ft on 05/25/2004
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 24.69 ft on 04/20/2013
(2) 21.79 ft on 04/13/2013
(3) 20.71 ft on 04/30/2011
(4) 18.25 ft on 03/15/2010
(5) 19.44 ft on 02/14/2009
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 5.61 ft on 07/16/1977
(2) 6.20 ft on 09/08/1954

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

Zoom Level:16
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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
25 Expect major flooding of Ionia Fairgrounds and businesses and residences in low lying areas near the river. Railroad tracks and several additional businesses flooded in vicinity of Fairgrounds along Steele Street. Homes along Quarry Road flooded.
23 Expect moderate flooding of several roads, businesses, and residences, in the Ionia area and if structures located in the Ionia Fairgrounds. Water halfway up windows on automobile building at Ionia Fairgrounds. Water begins to flood parking lot of Dollar General store, Save-a-Lot, and the Ionia Secretary of State office. Homes along Quarry Road begin to flood.
21 Expect minor flooding of several buildings in the Ionia Fairgrounds, a shopping mall near the Fairgrounds, and several businesses and residences in the southern portion of Ionia.
18 Water surrounds automobile building at Ionia Fairgrounds.
16 Expect extensive lowland overflow to occur
15 High water affects North Drive on Ionia Fairgrounds
13.5 River is bankfull. Minor overflow begins in low lying areas along the river near and across from the Ionia.
Photos
(1) April 2013 Flooding - Ionia Fair Grounds
(2) April 2013 Flooding - Grand River near Ionia Fair Grounds
(3) May 2004 Flooding - Dollar General Parking Lot in Ionia
(4) May 2004 Flooding - Save-A-Lot Parking Lot in Ionia
(5) 2004 Flooding of Ionia County Fairgrounds
(6) 2004 Flooding of Ionia County Fairgrounds Entrance
(7) 2004 Flooding of Ionia County Fairground Buildings
(8) Grand River Overflowing into Ionia Fairgrounds
(9) Flooding at Fairgrounds in 1990
(10) Flooding near Ionia Fairgrounds Administrative Office
(11) Grand River at Ionia Flooding into Ionia Fairgrounds
(12) Additional Image of Flooding at Fairgrounds
(13) Flooding of Access Road at Ionia Fairgrounds
(14) Additional Photo of Flooding at Fairgrounds
(15) Grand River at Ionia Overflowing into Low Lying Areas
(16) Grand River at Ionia - Looking Downstream from Bridge
(17) USGS Gaging House on Left Bank of Grand River at Ionia
(18) Inside USGS Gaging House
(19) Grand River at Ionia - Looking Upstream from Bridge
(20) Wire Weight Gage on Bridge
About This Location Collapse

Latitude: 42.971944° N, Longitude: 85.069167° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 21 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 29 615.38 ft 636.38 ft 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:

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USGS Streamflow Duration Hydrographs
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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
Grand Rapids Weather Forecast Office
4899 South Complex Drive SE
Grand Rapids, MI 49512-4034
(616) 949-0643
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Page last modified: 12-Feb-2015 9:36 PM
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