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Hydrograph River at a Glance Download
Grand River at Ionia Stage (ft)Flow (kcfs)Observed: 9.07 ft at 6:00AM Jul 30, 2015Observed: 9.07 ft at 6:15AM Jul 30, 2015Observed: 9.07 ft at 6:30AM Jul 30, 2015Observed: 9.06 ft at 6:45AM Jul 30, 2015Observed: 9.06 ft at 7:00AM Jul 30, 2015Observed: 9.06 ft at 7:15AM Jul 30, 2015Observed: 9.05 ft at 7:30AM Jul 30, 2015Observed: 9.05 ft at 7:45AM Jul 30, 2015Observed: 9.05 ft at 8:00AM Jul 30, 2015Observed: 9.04 ft at 8:15AM Jul 30, 2015Observed: 9.04 ft at 8:30AM Jul 30, 2015Observed: 9.03 ft at 8:45AM Jul 30, 2015Observed: 9.03 ft at 9:00AM Jul 30, 2015Observed: 9.02 ft at 9:15AM Jul 30, 2015Observed: 9.02 ft at 9:30AM Jul 30, 2015Observed: 9.01 ft at 9:45AM Jul 30, 2015Observed: 9.01 ft at 10:00AM Jul 30, 2015Observed: 9 ft at 10:15AM Jul 30, 2015Observed: 9 ft at 10:30AM Jul 30, 2015Observed: 9 ft at 10:45AM Jul 30, 2015Observed: 8.99 ft at 11:00AM Jul 30, 2015Observed: 8.99 ft at 11:15AM Jul 30, 2015Observed: 8.99 ft at 11:30AM Jul 30, 2015Observed: 8.98 ft at 11:45AM Jul 30, 2015Observed: 8.98 ft at 12:00PM Jul 30, 2015Observed: 8.98 ft at 12:15PM Jul 30, 2015Observed: 8.97 ft at 12:30PM Jul 30, 2015Observed: 8.97 ft at 12:45PM Jul 30, 2015Observed: 8.97 ft at 1:00PM Jul 30, 2015Observed: 8.96 ft at 1:15PM Jul 30, 2015Observed: 8.96 ft at 1:30PM Jul 30, 2015Observed: 8.96 ft at 1:45PM Jul 30, 2015Observed: 8.96 ft at 2:00PM Jul 30, 2015Observed: 8.95 ft at 2:15PM Jul 30, 2015Observed: 8.95 ft at 2:30PM Jul 30, 2015Observed: 8.95 ft at 2:45PM Jul 30, 2015Observed: 8.94 ft at 3:00PM Jul 30, 2015Observed: 8.94 ft at 3:15PM Jul 30, 2015Observed: 8.94 ft at 3:30PM Jul 30, 2015Observed: 8.94 ft at 3:45PM Jul 30, 2015Observed: 8.93 ft at 4:00PM Jul 30, 2015Observed: 8.93 ft at 4:15PM Jul 30, 2015Observed: 8.93 ft at 4:30PM Jul 30, 2015Observed: 8.93 ft at 4:45PM Jul 30, 2015Observed: 8.92 ft at 5:00PM Jul 30, 2015Observed: 8.92 ft at 5:15PM Jul 30, 2015Observed: 8.92 ft at 5:30PM Jul 30, 2015Observed: 8.92 ft at 5:45PM Jul 30, 2015Observed: 8.92 ft at 6:00PM Jul 30, 2015Observed: 8.92 ft at 6:15PM Jul 30, 2015Observed: 8.91 ft at 6:30PM Jul 30, 2015Observed: 8.91 ft at 6:45PM Jul 30, 2015Observed: 8.91 ft at 7:00PM Jul 30, 2015Observed: 8.91 ft at 7:15PM Jul 30, 2015Observed: 8.91 ft at 7:30PM Jul 30, 2015Observed: 8.91 ft at 7:45PM Jul 30, 2015Observed: 8.9 ft at 8:00PM Jul 30, 2015Observed: 8.9 ft at 8:15PM Jul 30, 2015Observed: 8.9 ft at 8:30PM Jul 30, 2015Observed: 8.9 ft at 8:45PM Jul 30, 2015Observed: 8.9 ft at 9:00PM Jul 30, 2015Observed: 8.9 ft at 9:15PM Jul 30, 2015Observed: 8.9 ft at 9:30PM Jul 30, 2015Observed: 8.9 ft at 9:45PM Jul 30, 2015Observed: 8.9 ft at 10:00PM Jul 30, 2015Observed: 8.9 ft at 10:15PM Jul 30, 2015Observed: 8.9 ft at 10:30PM Jul 30, 2015Observed: 8.9 ft at 10:45PM Jul 30, 2015Observed: 8.9 ft at 11:00PM Jul 30, 2015Observed: 8.9 ft at 11:15PM Jul 30, 2015Observed: 8.9 ft at 11:30PM Jul 30, 2015Observed: 8.9 ft at 11:45PM Jul 30, 2015Observed: 8.9 ft at 12:00AM Jul 31, 2015Observed: 8.9 ft at 12:15AM Jul 31, 2015Observed: 8.9 ft at 12:30AM Jul 31, 2015Observed: 8.9 ft at 12:45AM Jul 31, 2015Observed: 8.91 ft at 1:00AM Jul 31, 2015Observed: 8.91 ft at 1:15AM Jul 31, 2015Observed: 8.91 ft at 1:30AM Jul 31, 2015Observed: 8.91 ft at 1:45AM Jul 31, 2015Observed: 8.91 ft at 2:00AM Jul 31, 2015Observed: 8.91 ft at 2:15AM Jul 31, 2015Observed: 8.91 ft at 2:30AM Jul 31, 2015Observed: 8.91 ft at 2:45AM Jul 31, 2015Observed: 8.91 ft at 3:00AM Jul 31, 2015Observed: 8.91 ft at 3:15AM Jul 31, 2015Observed: 8.91 ft at 3:30AM Jul 31, 2015Observed: 8.91 ft at 3:45AM Jul 31, 2015Observed: 8.91 ft at 4:00AM Jul 31, 2015Observed: 8.91 ft at 4:15AM Jul 31, 2015Observed: 8.91 ft at 4:30AM Jul 31, 2015Observed: 8.92 ft at 4:45AM Jul 31, 2015Observed: 8.92 ft at 5:00AM Jul 31, 2015Observed: 8.92 ft at 5:15AM Jul 31, 2015Observed: 8.92 ft at 5:30AM Jul 31, 2015Observed: 8.92 ft at 5:45AM Jul 31, 2015Observed: 8.92 ft at 6:00AM Jul 31, 2015Observed: 8.92 ft at 6:15AM Jul 31, 2015Observed: 8.92 ft at 6:30AM Jul 31, 2015Observed: 8.92 ft at 6:45AM Jul 31, 2015Observed: 8.92 ft at 7:00AM Jul 31, 2015Observed: 8.92 ft at 7:15AM Jul 31, 2015Observed: 8.92 ft at 7:30AM Jul 31, 2015Observed: 8.92 ft at 7:45AM Jul 31, 2015Observed: 8.92 ft at 8:00AM Jul 31, 2015Observed: 8.92 ft at 8:15AM Jul 31, 2015Observed: 8.92 ft at 8:30AM Jul 31, 2015Observed: 8.92 ft at 8:45AM Jul 31, 2015Observed: 8.92 ft at 9:00AM Jul 31, 2015Observed: 8.92 ft at 9:15AM Jul 31, 2015Observed: 8.93 ft at 9:30AM Jul 31, 2015Observed: 8.93 ft at 9:45AM Jul 31, 2015Observed: 8.93 ft at 10:00AM Jul 31, 2015Observed: 8.93 ft at 10:15AM Jul 31, 2015Observed: 8.93 ft at 10:30AM Jul 31, 2015Observed: 8.94 ft at 10:45AM Jul 31, 2015Observed: 8.94 ft at 11:00AM Jul 31, 2015Observed: 8.94 ft at 11:15AM Jul 31, 2015Observed: 8.94 ft at 11:30AM Jul 31, 2015Observed: 8.94 ft at 11:45AM Jul 31, 2015Observed: 8.94 ft at 12:00PM Jul 31, 2015Observed: 8.95 ft at 12:15PM Jul 31, 2015Observed: 8.95 ft at 12:30PM Jul 31, 2015Observed: 8.95 ft at 12:45PM Jul 31, 2015Observed: 8.95 ft at 1:00PM Jul 31, 2015Observed: 8.95 ft at 1:15PM Jul 31, 2015Observed: 8.95 ft at 1:30PM Jul 31, 2015Observed: 8.94 ft at 1:45PM Jul 31, 2015Observed: 8.94 ft at 2:00PM Jul 31, 2015Observed: 8.94 ft at 2:15PM Jul 31, 2015Observed: 8.94 ft at 2:30PM Jul 31, 2015Observed: 8.93 ft at 2:45PM Jul 31, 2015Observed: 8.93 ft at 3:00PM Jul 31, 2015Observed: 8.92 ft at 3:15PM Jul 31, 2015Observed: 8.91 ft at 3:30PM Jul 31, 2015Observed: 8.91 ft at 3:45PM Jul 31, 2015Observed: 8.9 ft at 4:00PM Jul 31, 2015Observed: 8.9 ft at 4:15PM Jul 31, 2015Observed: 8.9 ft at 4:30PM Jul 31, 2015Observed: 8.89 ft at 4:45PM Jul 31, 2015Observed: 8.89 ft at 5:00PM Jul 31, 2015Observed: 8.88 ft at 5:15PM Jul 31, 2015Observed: 8.88 ft at 5:30PM Jul 31, 2015Observed: 8.87 ft at 5:45PM Jul 31, 2015Observed: 8.87 ft at 6:00PM Jul 31, 2015Observed: 8.87 ft at 6:15PM Jul 31, 2015Observed: 8.86 ft at 6:30PM Jul 31, 2015Observed: 8.86 ft at 6:45PM Jul 31, 2015Observed: 8.86 ft at 7:00PM Jul 31, 2015Observed: 8.85 ft at 7:15PM Jul 31, 2015Observed: 8.85 ft at 7:30PM Jul 31, 2015Observed: 8.85 ft at 7:45PM Jul 31, 2015Observed: 8.85 ft at 8:00PM Jul 31, 2015Observed: 8.85 ft at 8:15PM Jul 31, 2015Observed: 8.84 ft at 8:30PM Jul 31, 2015Observed: 8.84 ft at 8:45PM Jul 31, 2015Observed: 8.84 ft at 9:00PM Jul 31, 2015Observed: 8.84 ft at 9:15PM Jul 31, 2015Observed: 8.84 ft at 9:30PM Jul 31, 2015Observed: 8.84 ft at 9:45PM Jul 31, 2015Observed: 8.84 ft at 10:00PM Jul 31, 2015Observed: 8.84 ft at 10:15PM Jul 31, 2015Observed: 8.84 ft at 10:30PM Jul 31, 2015Observed: 8.84 ft at 10:45PM Jul 31, 2015Observed: 8.84 ft at 11:00PM Jul 31, 2015Observed: 8.84 ft at 11:15PM Jul 31, 2015Observed: 8.84 ft at 11:30PM Jul 31, 2015Observed: 8.84 ft at 11:45PM Jul 31, 2015Observed: 8.84 ft at 12:00AM Aug 01, 2015Observed: 8.84 ft at 12:15AM Aug 01, 2015Observed: 8.84 ft at 12:30AM Aug 01, 2015Observed: 8.84 ft at 12:45AM Aug 01, 2015Observed: 8.84 ft at 1:00AM Aug 01, 2015Observed: 8.84 ft at 1:15AM Aug 01, 2015Observed: 8.84 ft at 1:30AM Aug 01, 2015Observed: 8.84 ft at 1:45AM Aug 01, 2015Observed: 8.84 ft at 2:00AM Aug 01, 2015Observed: 8.84 ft at 2:15AM Aug 01, 2015Observed: 8.84 ft at 2:30AM Aug 01, 2015Observed: 8.84 ft at 2:45AM Aug 01, 2015Observed: 8.84 ft at 3:00AM Aug 01, 2015Observed: 8.84 ft at 3:15AM Aug 01, 2015Observed: 8.84 ft at 3:30AM Aug 01, 2015Observed: 8.84 ft at 3:45AM Aug 01, 2015Observed: 8.84 ft at 4:00AM Aug 01, 2015Observed: 8.84 ft at 4:15AM Aug 01, 2015Observed: 8.84 ft at 4:30AM Aug 01, 2015Observed: 8.84 ft at 4:45AM Aug 01, 2015Observed: 8.84 ft at 5:00AM Aug 01, 2015Observed: 8.84 ft at 5:15AM Aug 01, 2015Observed: 8.84 ft at 5:30AM Aug 01, 2015Observed: 8.84 ft at 5:45AM Aug 01, 2015Observed: 8.84 ft at 6:00AM Aug 01, 2015Observed: 8.84 ft at 6:15AM Aug 01, 2015Observed: 8.84 ft at 6:30AM Aug 01, 2015Observed: 8.84 ft at 6:45AM Aug 01, 2015Observed: 8.84 ft at 7:00AM Aug 01, 2015Observed: 8.84 ft at 7:15AM Aug 01, 2015Observed: 8.85 ft at 7:30AM Aug 01, 2015Observed: 8.85 ft at 7:45AM Aug 01, 2015Observed: 8.85 ft at 8:00AM Aug 01, 2015Observed: 8.85 ft at 8:15AM Aug 01, 2015Observed: 8.85 ft at 8:30AM Aug 01, 2015Observed: 8.85 ft at 8:45AM Aug 01, 2015Observed: 8.85 ft at 9:00AM Aug 01, 2015Observed: 8.85 ft at 9:15AM Aug 01, 2015Observed: 8.85 ft at 9:30AM Aug 01, 2015Observed: 8.85 ft at 9:45AM Aug 01, 2015Observed: 8.85 ft at 10:00AM Aug 01, 2015Observed: 8.85 ft at 10:15AM Aug 01, 2015Observed: 8.85 ft at 10:30AM Aug 01, 2015Observed: 8.85 ft at 10:45AM Aug 01, 2015Observed: 8.85 ft at 11:00AM Aug 01, 2015Observed: 8.85 ft at 11:15AM Aug 01, 2015Observed: 8.86 ft at 11:30AM Aug 01, 2015Observed: 8.86 ft at 11:45AM Aug 01, 2015Observed: 8.86 ft at 12:00PM Aug 01, 2015Observed: 8.86 ft at 12:15PM Aug 01, 2015Observed: 8.86 ft at 12:30PM Aug 01, 2015Observed: 8.86 ft at 12:45PM Aug 01, 2015Observed: 8.86 ft at 1:00PM Aug 01, 2015Observed: 8.86 ft at 1:15PM Aug 01, 2015Observed: 8.86 ft at 1:30PM Aug 01, 2015Observed: 8.85 ft at 1:45PM Aug 01, 2015Observed: 8.85 ft at 2:00PM Aug 01, 2015Observed: 8.85 ft at 2:15PM Aug 01, 2015Observed: 8.84 ft at 2:30PM Aug 01, 2015Observed: 8.84 ft at 2:45PM Aug 01, 2015Observed: 8.84 ft at 3:00PM Aug 01, 2015Observed: 8.84 ft at 3:15PM Aug 01, 2015Observed: 8.84 ft at 3:30PM Aug 01, 2015Observed: 8.84 ft at 3:45PM Aug 01, 2015Observed: 8.84 ft at 4:00PM Aug 01, 2015Observed: 8.84 ft at 4:15PM Aug 01, 2015Observed: 8.84 ft at 4:30PM Aug 01, 2015Observed: 8.83 ft at 4:45PM Aug 01, 2015Observed: 8.83 ft at 5:00PM Aug 01, 2015Observed: 8.83 ft at 5:15PM Aug 01, 2015Observed: 8.82 ft at 5:30PM Aug 01, 2015Observed: 8.82 ft at 5:45PM Aug 01, 2015Observed: 8.81 ft at 6:00PM Aug 01, 2015Observed: 8.8 ft at 6:15PM Aug 01, 2015Observed: 8.79 ft at 6:30PM Aug 01, 2015Observed: 8.78 ft at 6:45PM Aug 01, 2015Observed: 8.77 ft at 7:00PM Aug 01, 2015Observed: 8.76 ft at 7:15PM Aug 01, 2015Observed: 8.75 ft at 7:30PM Aug 01, 2015Observed: 8.74 ft at 7:45PM Aug 01, 2015Observed: 8.73 ft at 8:00PM Aug 01, 2015Observed: 8.72 ft at 8:15PM Aug 01, 2015Observed: 8.71 ft at 8:30PM Aug 01, 2015Observed: 8.7 ft at 8:45PM Aug 01, 2015Observed: 8.69 ft at 9:00PM Aug 01, 2015Observed: 8.68 ft at 9:15PM Aug 01, 2015Observed: 8.67 ft at 9:30PM Aug 01, 2015Observed: 8.66 ft at 9:45PM Aug 01, 2015Observed: 8.66 ft at 10:00PM Aug 01, 2015Observed: 8.65 ft at 10:15PM Aug 01, 2015Observed: 8.64 ft at 10:30PM Aug 01, 2015Observed: 8.63 ft at 10:45PM Aug 01, 2015Observed: 8.63 ft at 11:00PM Aug 01, 2015Observed: 8.62 ft at 11:15PM Aug 01, 2015Observed: 8.61 ft at 11:30PM Aug 01, 2015Observed: 8.61 ft at 11:45PM Aug 01, 2015Observed: 8.6 ft at 12:00AM Aug 02, 2015Observed: 8.6 ft at 12:15AM Aug 02, 2015Observed: 8.59 ft at 12:30AM Aug 02, 2015Observed: 8.59 ft at 12:45AM Aug 02, 2015Observed: 8.59 ft at 1:00AM Aug 02, 2015Observed: 8.58 ft at 1:15AM Aug 02, 2015Observed: 8.58 ft at 1:30AM Aug 02, 2015Observed: 8.58 ft at 1:45AM Aug 02, 2015Observed: 8.57 ft at 2:00AM Aug 02, 2015Observed: 8.57 ft at 2:15AM Aug 02, 2015Observed: 8.57 ft at 2:30AM Aug 02, 2015Observed: 8.57 ft at 2:45AM Aug 02, 2015Observed: 8.56 ft at 3:00AM Aug 02, 2015Observed: 8.56 ft at 3:15AM Aug 02, 2015Observed: 8.56 ft at 3:30AM Aug 02, 2015Observed: 8.56 ft at 3:45AM Aug 02, 2015Observed: 8.56 ft at 4:00AM Aug 02, 2015Observed: 8.55 ft at 4:15AM Aug 02, 2015Observed: 8.55 ft at 4:30AM Aug 02, 2015Observed: 8.55 ft at 4:45AM Aug 02, 2015Observed: 8.55 ft at 5:00AM Aug 02, 2015Observed: 8.55 ft at 5:15AM Aug 02, 2015Observed: 8.55 ft at 5:30AM Aug 02, 2015Observed: 8.55 ft at 5:45AM Aug 02, 2015Observed: 8.55 ft at 6:00AM Aug 02, 2015Observed: 8.55 ft at 6:15AM Aug 02, 2015Observed: 8.55 ft at 6:30AM Aug 02, 2015Observed: 8.55 ft at 6:45AM Aug 02, 2015Observed: 8.55 ft at 7:00AM Aug 02, 2015Observed: 8.55 ft at 7:15AM Aug 02, 2015Observed: 8.55 ft at 7:30AM Aug 02, 2015Observed: 8.55 ft at 7:45AM Aug 02, 2015Observed: 8.55 ft at 8:00AM Aug 02, 2015Observed: 8.55 ft at 8:15AM Aug 02, 2015Observed: 8.55 ft at 8:30AM Aug 02, 2015Observed: 8.55 ft at 8:45AM Aug 02, 2015Observed: 8.55 ft at 9:00AM Aug 02, 2015Observed: 8.55 ft at 9:15AM Aug 02, 2015Observed: 8.54 ft at 9:30AM Aug 02, 2015Observed: 8.54 ft at 9:45AM Aug 02, 2015Observed: 8.54 ft at 10:00AM Aug 02, 2015Observed: 8.54 ft at 10:15AM Aug 02, 2015Observed: 8.54 ft at 10:30AM Aug 02, 2015Observed: 8.54 ft at 10:45AM Aug 02, 2015Observed: 8.54 ft at 11:00AM Aug 02, 2015Observed: 8.55 ft at 11:15AM Aug 02, 2015Observed: 8.55 ft at 11:30AM Aug 02, 2015Observed: 8.54 ft at 11:45AM Aug 02, 2015Observed: 8.54 ft at 12:00PM Aug 02, 2015Observed: 8.55 ft at 12:15PM Aug 02, 2015Observed: 8.54 ft at 12:30PM Aug 02, 2015Observed: 8.54 ft at 12:45PM Aug 02, 2015Observed: 8.55 ft at 1:00PM Aug 02, 2015Observed: 8.55 ft at 1:15PM Aug 02, 2015Observed: 8.55 ft at 1:30PM Aug 02, 2015Observed: 8.55 ft at 1:45PM Aug 02, 2015Observed: 8.55 ft at 2:00PM Aug 02, 2015Observed: 8.55 ft at 2:15PM Aug 02, 2015Observed: 8.55 ft at 2:30PM Aug 02, 2015Observed: 8.55 ft at 2:45PM Aug 02, 2015Observed: 8.55 ft at 3:00PM Aug 02, 2015Observed: 8.55 ft at 3:15PM Aug 02, 2015Observed: 8.56 ft at 3:30PM Aug 02, 2015Observed: 8.56 ft at 3:45PM Aug 02, 2015Observed: 8.57 ft at 4:00PM Aug 02, 2015Observed: 8.57 ft at 4:15PM Aug 02, 2015Observed: 8.58 ft at 4:30PM Aug 02, 2015Observed: 8.58 ft at 4:45PM Aug 02, 2015Observed: 8.59 ft at 5:00PM Aug 02, 2015Observed: 8.6 ft at 5:15PM Aug 02, 2015Observed: 8.61 ft at 5:30PM Aug 02, 2015Observed: 8.62 ft at 5:45PM Aug 02, 2015Observed: 8.63 ft at 6:00PM Aug 02, 2015Observed: 8.63 ft at 6:15PM Aug 02, 2015Observed: 8.64 ft at 6:30PM Aug 02, 2015Observed: 8.65 ft at 6:45PM Aug 02, 2015Observed: 8.66 ft at 7:00PM Aug 02, 2015Observed: 8.66 ft at 7:15PM Aug 02, 2015Observed: 8.67 ft at 7:30PM Aug 02, 2015Observed: 8.67 ft at 7:45PM Aug 02, 2015Observed: 8.68 ft at 8:00PM Aug 02, 2015Observed: 8.68 ft at 8:15PM Aug 02, 2015Observed: 8.68 ft at 8:30PM Aug 02, 2015Observed: 8.68 ft at 8:45PM Aug 02, 2015Observed: 8.68 ft at 9:00PM Aug 02, 2015Observed: 8.68 ft at 9:15PM Aug 02, 2015Observed: 8.69 ft at 9:30PM Aug 02, 2015Observed: 8.72 ft at 9:45PM Aug 02, 2015Observed: 8.75 ft at 10:00PM Aug 02, 2015Observed: 8.77 ft at 10:15PM Aug 02, 2015Observed: 8.77 ft at 10:30PM Aug 02, 2015Observed: 8.77 ft at 10:45PM Aug 02, 2015Observed: 8.77 ft at 11:00PM Aug 02, 2015Observed: 8.76 ft at 11:15PM Aug 02, 2015Observed: 8.76 ft at 11:30PM Aug 02, 2015Observed: 8.76 ft at 11:45PM Aug 02, 2015Observed: 8.76 ft at 12:00AM Aug 03, 2015Observed: 8.76 ft at 12:15AM Aug 03, 2015Observed: 8.76 ft at 12:30AM Aug 03, 2015Observed: 8.75 ft at 12:45AM Aug 03, 2015Observed: 8.75 ft at 1:00AM Aug 03, 2015Observed: 8.75 ft at 1:15AM Aug 03, 2015Observed: 8.75 ft at 1:30AM Aug 03, 2015Observed: 8.75 ft at 1:45AM Aug 03, 2015Observed: 8.75 ft at 2:00AM Aug 03, 2015Observed: 8.75 ft at 2:15AM Aug 03, 2015Observed: 8.75 ft at 2:30AM Aug 03, 2015Observed: 8.75 ft at 2:45AM Aug 03, 2015Observed: 8.74 ft at 3:00AM Aug 03, 2015Observed: 8.74 ft at 3:15AM Aug 03, 2015Observed: 8.74 ft at 3:30AM Aug 03, 2015Observed: 8.74 ft at 3:45AM Aug 03, 2015Observed: 8.74 ft at 4:00AM Aug 03, 2015Observed: 8.73 ft at 4:15AM Aug 03, 2015Observed: 8.73 ft at 4:30AM Aug 03, 2015Observed: 8.72 ft at 4:45AM Aug 03, 2015Observed: 8.72 ft at 5:00AM Aug 03, 2015Observed: 8.72 ft at 5:15AM Aug 03, 2015Observed: 8.72 ft at 5:30AM Aug 03, 2015Observed: 8.72 ft at 5:45AM Aug 03, 2015Observed: 8.71 ft at 6:00AM Aug 03, 2015Observed: 8.71 ft at 6:15AM Aug 03, 2015Observed: 8.71 ft at 6:30AM Aug 03, 2015Observed: 8.71 ft at 6:45AM Aug 03, 2015Observed: 8.71 ft at 7:00AM Aug 03, 2015Observed: 8.7 ft at 7:15AM Aug 03, 2015Observed: 8.7 ft at 7:30AM Aug 03, 2015Observed: 8.7 ft at 7:45AM Aug 03, 2015Observed: 8.7 ft at 8:00AM Aug 03, 2015Observed: 8.7 ft at 8:15AM Aug 03, 2015Observed: 8.7 ft at 8:30AM Aug 03, 2015Observed: 8.7 ft at 8:45AM Aug 03, 2015Observed: 8.7 ft at 9:00AM Aug 03, 2015Observed: 8.7 ft at 9:15AM Aug 03, 2015Observed: 8.7 ft at 9:30AM Aug 03, 2015Observed: 8.7 ft at 9:45AM Aug 03, 2015Observed: 8.7 ft at 10:00AM Aug 03, 2015Observed: 8.7 ft at 10:15AM Aug 03, 2015Observed: 8.7 ft at 10:30AM Aug 03, 2015Observed: 8.7 ft at 10:45AM Aug 03, 2015Observed: 8.7 ft at 11:00AM Aug 03, 2015Observed: 8.7 ft at 11:15AM Aug 03, 2015Observed: 8.71 ft at 11:30AM Aug 03, 2015Observed: 8.71 ft at 11:45AM Aug 03, 2015Observed: 8.71 ft at 12:00PM Aug 03, 2015Observed: 8.72 ft at 12:15PM Aug 03, 2015Observed: 8.73 ft at 12:30PM Aug 03, 2015Observed: 8.74 ft at 12:45PM Aug 03, 2015Observed: 8.74 ft at 1:00PM Aug 03, 2015Observed: 8.75 ft at 1:15PM Aug 03, 2015Observed: 8.76 ft at 1:30PM Aug 03, 2015Observed: 8.76 ft at 1:45PM Aug 03, 2015Observed: 8.77 ft at 2:00PM Aug 03, 2015Observed: 8.78 ft at 2:15PM Aug 03, 2015Observed: 8.79 ft at 2:30PM Aug 03, 2015Observed: 8.8 ft at 2:45PM Aug 03, 2015Observed: 8.8 ft at 3:00PM Aug 03, 2015Observed: 8.81 ft at 3:15PM Aug 03, 2015Observed: 8.82 ft at 3:30PM Aug 03, 2015Observed: 8.83 ft at 3:45PM Aug 03, 2015Observed: 8.84 ft at 4:00PM Aug 03, 2015Observed: 8.85 ft at 4:15PM Aug 03, 2015Observed: 8.86 ft at 4:30PM Aug 03, 2015Observed: 8.87 ft at 4:45PM Aug 03, 2015Observed: 8.88 ft at 5:00PM Aug 03, 2015Observed: 8.9 ft at 5:15PM Aug 03, 2015Observed: 8.92 ft at 5:30PM Aug 03, 2015Observed: 8.93 ft at 5:45PM Aug 03, 2015Observed: 8.95 ft at 6:00PM Aug 03, 2015Observed: 8.97 ft at 6:15PM Aug 03, 2015Observed: 8.99 ft at 6:30PM Aug 03, 2015Observed: 9.01 ft at 6:45PM Aug 03, 2015Observed: 9.02 ft at 7:00PM Aug 03, 2015Observed: 9.04 ft at 7:15PM Aug 03, 2015Observed: 9.05 ft at 7:30PM Aug 03, 2015Observed: 9.06 ft at 7:45PM Aug 03, 2015Observed: 9.06 ft at 8:00PM Aug 03, 2015Observed: 9.07 ft at 8:15PM Aug 03, 2015Observed: 9.07 ft at 8:30PM Aug 03, 2015Observed: 9.07 ft at 8:45PM Aug 03, 2015Observed: 9.07 ft at 9:00PM Aug 03, 2015Observed: 9.07 ft at 9:15PM Aug 03, 2015Observed: 9.07 ft at 9:30PM Aug 03, 2015Observed: 9.06 ft at 9:45PM Aug 03, 2015Observed: 9.06 ft at 10:00PM Aug 03, 2015Observed: 9.06 ft at 10:15PM Aug 03, 2015Observed: 9.05 ft at 10:30PM Aug 03, 2015Observed: 9.05 ft at 10:45PM Aug 03, 2015Observed: 9.04 ft at 11:00PM Aug 03, 2015Observed: 9.03 ft at 11:15PM Aug 03, 2015Observed: 9.03 ft at 11:30PM Aug 03, 2015Observed: 9.02 ft at 11:45PM Aug 03, 2015Observed: 9.02 ft at 12:00AM Aug 04, 2015Observed: 9.01 ft at 12:15AM Aug 04, 2015Observed: 9.01 ft at 12:30AM Aug 04, 2015Observed: 9 ft at 12:45AM Aug 04, 2015Observed: 9 ft at 1:00AM Aug 04, 2015Observed: 9 ft at 1:15AM Aug 04, 2015Observed: 9 ft at 1:30AM Aug 04, 2015Observed: 9 ft at 1:45AM Aug 04, 2015Observed: 9 ft at 2:00AM Aug 04, 2015Observed: 9 ft at 2:15AM Aug 04, 2015Observed: 9 ft at 2:30AM Aug 04, 2015Observed: 9.01 ft at 2:45AM Aug 04, 2015Observed: 9.01 ft at 3:00AM Aug 04, 2015Observed: 9.02 ft at 3:15AM Aug 04, 2015Observed: 9.03 ft at 3:30AM Aug 04, 2015Observed: 9.04 ft at 3:45AM Aug 04, 2015Observed: 9.05 ft at 4:00AM Aug 04, 2015Observed: 9.07 ft at 4:15AM Aug 04, 2015Observed: 9.08 ft at 4:30AM Aug 04, 2015Highest Observation: 9.09 ft at 4:45AM Aug 04, 2015USGS--Water Resources of the United StatesIONM4(plotting HGIRG) Graph Created (5:33AM Aug 4, 2015)ObservedLatest observed value: 9.09 ft at 4:45 AM EDT 4-Aug-2015. Flood Stage is 21 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 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
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(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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Gauge LocationGauge Map Marker
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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
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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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