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Hydrograph River at a Glance Download Inundation
Mapping
Blanchard River at Ottawa Stage (ft)Flow (kcfs)Highest Observation: 9.73 ft at 8:00PM Mar 18, 2024Observed: 9.69 ft at 8:30PM Mar 18, 2024Observed: 9.66 ft at 9:00PM Mar 18, 2024Observed: 9.62 ft at 9:30PM Mar 18, 2024Observed: 9.59 ft at 10:00PM Mar 18, 2024Observed: 9.55 ft at 10:30PM Mar 18, 2024Observed: 9.53 ft at 11:00PM Mar 18, 2024Observed: 9.5 ft at 11:30PM Mar 18, 2024Observed: 9.47 ft at 12:00AM Mar 19, 2024Observed: 9.44 ft at 12:30AM Mar 19, 2024Observed: 9.4 ft at 1:00AM Mar 19, 2024Observed: 9.38 ft at 1:30AM Mar 19, 2024Observed: 9.35 ft at 2:00AM Mar 19, 2024Observed: 9.32 ft at 2:30AM Mar 19, 2024Observed: 9.29 ft at 3:00AM Mar 19, 2024Observed: 9.26 ft at 3:30AM Mar 19, 2024Observed: 9.22 ft at 4:00AM Mar 19, 2024Observed: 9.19 ft at 4:30AM Mar 19, 2024Observed: 9.16 ft at 5:00AM Mar 19, 2024Observed: 9.13 ft at 5:30AM Mar 19, 2024Observed: 9.1 ft at 6:00AM Mar 19, 2024Observed: 9.07 ft at 6:30AM Mar 19, 2024Observed: 9.03 ft at 7:00AM Mar 19, 2024Observed: 9 ft at 7:30AM Mar 19, 2024Observed: 8.97 ft at 8:00AM Mar 19, 2024Observed: 8.93 ft at 8:30AM Mar 19, 2024Observed: 8.9 ft at 9:00AM Mar 19, 2024Observed: 8.86 ft at 9:30AM Mar 19, 2024Observed: 8.83 ft at 10:00AM Mar 19, 2024Observed: 8.8 ft at 10:30AM Mar 19, 2024Observed: 8.76 ft at 11:00AM Mar 19, 2024Observed: 8.73 ft at 11:30AM Mar 19, 2024Observed: 8.7 ft at 12:00PM Mar 19, 2024Observed: 8.66 ft at 12:30PM Mar 19, 2024Observed: 8.5 ft at 3:00PM Mar 19, 2024Observed: 8.48 ft at 3:30PM Mar 19, 2024Observed: 8.45 ft at 4:00PM Mar 19, 2024Observed: 8.42 ft at 4:30PM Mar 19, 2024Observed: 8.4 ft at 5:00PM Mar 19, 2024Observed: 8.38 ft at 5:30PM Mar 19, 2024Observed: 8.34 ft at 6:00PM Mar 19, 2024Observed: 8.33 ft at 6:30PM Mar 19, 2024Observed: 8.3 ft at 7:00PM Mar 19, 2024Observed: 8.28 ft at 7:30PM Mar 19, 2024Observed: 8.25 ft at 8:00PM Mar 19, 2024Observed: 8.22 ft at 8:30PM Mar 19, 2024Observed: 8.2 ft at 9:00PM Mar 19, 2024Observed: 8.19 ft at 9:30PM Mar 19, 2024Observed: 8.17 ft at 10:00PM Mar 19, 2024Observed: 8.15 ft at 10:30PM Mar 19, 2024Observed: 8.14 ft at 11:00PM Mar 19, 2024Observed: 8.12 ft at 11:30PM Mar 19, 2024Observed: 8.11 ft at 12:00AM Mar 20, 2024Observed: 8.1 ft at 12:30AM Mar 20, 2024Observed: 8.09 ft at 1:00AM Mar 20, 2024Observed: 8.07 ft at 1:30AM Mar 20, 2024Observed: 8.06 ft at 2:00AM Mar 20, 2024Observed: 8.05 ft at 2:30AM Mar 20, 2024Observed: 8.04 ft at 3:00AM Mar 20, 2024Observed: 8.03 ft at 3:30AM Mar 20, 2024Observed: 8.01 ft at 4:00AM Mar 20, 2024Observed: 8 ft at 4:30AM Mar 20, 2024Observed: 7.99 ft at 5:00AM Mar 20, 2024Observed: 7.97 ft at 5:30AM Mar 20, 2024Observed: 7.95 ft at 6:00AM Mar 20, 2024Observed: 7.95 ft at 6:30AM Mar 20, 2024Observed: 7.93 ft at 7:00AM Mar 20, 2024Observed: 7.92 ft at 7:30AM Mar 20, 2024Observed: 7.91 ft at 8:00AM Mar 20, 2024Observed: 7.89 ft at 8:30AM Mar 20, 2024Observed: 7.88 ft at 9:00AM Mar 20, 2024Observed: 7.86 ft at 9:30AM Mar 20, 2024Observed: 7.85 ft at 10:00AM Mar 20, 2024Observed: 7.83 ft at 10:30AM Mar 20, 2024Observed: 7.82 ft at 11:00AM Mar 20, 2024Observed: 7.8 ft at 11:30AM Mar 20, 2024Observed: 7.79 ft at 12:00PM Mar 20, 2024Observed: 7.78 ft at 12:30PM Mar 20, 2024Observed: 7.76 ft at 1:00PM Mar 20, 2024Observed: 7.75 ft at 1:30PM Mar 20, 2024Observed: 7.74 ft at 2:00PM Mar 20, 2024Observed: 7.72 ft at 2:30PM Mar 20, 2024Observed: 7.7 ft at 3:00PM Mar 20, 2024Observed: 7.7 ft at 3:30PM Mar 20, 2024Observed: 7.68 ft at 4:00PM Mar 20, 2024Observed: 7.67 ft at 4:30PM Mar 20, 2024Observed: 7.66 ft at 5:00PM Mar 20, 2024Observed: 7.64 ft at 5:30PM Mar 20, 2024Observed: 7.63 ft at 6:00PM Mar 20, 2024Observed: 7.62 ft at 6:30PM Mar 20, 2024Observed: 7.59 ft at 7:00PM Mar 20, 2024Observed: 7.58 ft at 7:30PM Mar 20, 2024Observed: 7.57 ft at 8:00PM Mar 20, 2024Observed: 7.55 ft at 8:30PM Mar 20, 2024Observed: 7.54 ft at 9:00PM Mar 20, 2024Observed: 7.52 ft at 9:30PM Mar 20, 2024Observed: 7.51 ft at 10:00PM Mar 20, 2024Observed: 7.49 ft at 10:30PM Mar 20, 2024Observed: 7.48 ft at 11:00PM Mar 20, 2024Observed: 7.46 ft at 11:30PM Mar 20, 2024Observed: 7.45 ft at 12:00AM Mar 21, 2024Observed: 7.44 ft at 12:30AM Mar 21, 2024Observed: 7.43 ft at 1:00AM Mar 21, 2024Observed: 7.42 ft at 1:30AM Mar 21, 2024Observed: 7.4 ft at 2:00AM Mar 21, 2024Observed: 7.39 ft at 2:30AM Mar 21, 2024Observed: 7.38 ft at 3:00AM Mar 21, 2024Observed: 7.36 ft at 3:30AM Mar 21, 2024Observed: 7.35 ft at 4:00AM Mar 21, 2024Observed: 7.34 ft at 4:30AM Mar 21, 2024Observed: 7.33 ft at 5:00AM Mar 21, 2024Observed: 7.32 ft at 5:30AM Mar 21, 2024Observed: 7.31 ft at 6:00AM Mar 21, 2024Observed: 7.29 ft at 6:30AM Mar 21, 2024Observed: 7.28 ft at 7:00AM Mar 21, 2024Observed: 7.27 ft at 7:30AM Mar 21, 2024Observed: 7.26 ft at 8:00AM Mar 21, 2024Observed: 7.24 ft at 8:30AM Mar 21, 2024Observed: 7.23 ft at 9:00AM Mar 21, 2024Observed: 7.22 ft at 9:30AM Mar 21, 2024Observed: 7.2 ft at 10:00AM Mar 21, 2024Observed: 7.19 ft at 10:30AM Mar 21, 2024Observed: 7.18 ft at 11:00AM Mar 21, 2024Observed: 7.17 ft at 11:30AM Mar 21, 2024Observed: 7.16 ft at 12:00PM Mar 21, 2024Observed: 7.15 ft at 12:30PM Mar 21, 2024Observed: 7.13 ft at 1:00PM Mar 21, 2024Observed: 7.13 ft at 1:30PM Mar 21, 2024Observed: 7.11 ft at 2:00PM Mar 21, 2024Observed: 7.1 ft at 2:30PM Mar 21, 2024Observed: 7.08 ft at 3:00PM Mar 21, 2024Observed: 7.08 ft at 3:30PM Mar 21, 2024Observed: 7.06 ft at 4:00PM Mar 21, 2024Observed: 7.05 ft at 4:30PM Mar 21, 2024Observed: 7.04 ft at 5:00PM Mar 21, 2024Observed: 7.03 ft at 5:30PM Mar 21, 2024Observed: 7.02 ft at 6:00PM Mar 21, 2024Observed: 7.01 ft at 6:30PM Mar 21, 2024Observed: 7 ft at 7:00PM Mar 21, 2024Observed: 6.99 ft at 7:30PM Mar 21, 2024Observed: 6.97 ft at 8:00PM Mar 21, 2024Observed: 6.96 ft at 8:30PM Mar 21, 2024Observed: 6.95 ft at 9:00PM Mar 21, 2024Observed: 6.94 ft at 9:30PM Mar 21, 2024Observed: 6.93 ft at 10:00PM Mar 21, 2024Observed: 6.92 ft at 10:30PM Mar 21, 2024Observed: 6.91 ft at 11:00PM Mar 21, 2024Observed: 6.9 ft at 11:30PM Mar 21, 2024Observed: 6.89 ft at 12:00AM Mar 22, 2024Observed: 6.88 ft at 12:30AM Mar 22, 2024Observed: 6.86 ft at 1:00AM Mar 22, 2024Observed: 6.85 ft at 1:30AM Mar 22, 2024Observed: 6.84 ft at 2:00AM Mar 22, 2024Observed: 6.83 ft at 2:30AM Mar 22, 2024Observed: 6.82 ft at 3:00AM Mar 22, 2024Observed: 6.81 ft at 3:30AM Mar 22, 2024Observed: 6.81 ft at 4:00AM Mar 22, 2024Observed: 6.8 ft at 4:30AM Mar 22, 2024Observed: 6.79 ft at 5:00AM Mar 22, 2024Observed: 6.78 ft at 5:30AM Mar 22, 2024Observed: 6.77 ft at 6:00AM Mar 22, 2024Observed: 6.76 ft at 6:30AM Mar 22, 2024Observed: 6.75 ft at 7:00AM Mar 22, 2024Observed: 6.74 ft at 7:30AM Mar 22, 2024Observed: 6.74 ft at 8:00AM Mar 22, 2024Observed: 6.73 ft at 8:30AM Mar 22, 2024Observed: 6.72 ft at 9:00AM Mar 22, 2024Observed: 6.71 ft at 9:30AM Mar 22, 2024Observed: 6.7 ft at 10:00AM Mar 22, 2024Observed: 6.69 ft at 10:30AM Mar 22, 2024Observed: 6.67 ft at 11:00AM Mar 22, 2024Observed: 6.66 ft at 11:30AM Mar 22, 2024Observed: 6.64 ft at 12:00PM Mar 22, 2024Observed: 6.63 ft at 12:30PM Mar 22, 2024Observed: 6.62 ft at 1:00PM Mar 22, 2024Observed: 6.61 ft at 1:30PM Mar 22, 2024Observed: 6.59 ft at 2:00PM Mar 22, 2024Observed: 6.58 ft at 2:30PM Mar 22, 2024Observed: 6.57 ft at 3:00PM Mar 22, 2024Observed: 6.56 ft at 3:30PM Mar 22, 2024Observed: 6.56 ft at 4:00PM Mar 22, 2024Observed: 6.54 ft at 4:30PM Mar 22, 2024Observed: 6.54 ft at 5:00PM Mar 22, 2024Observed: 6.53 ft at 5:30PM Mar 22, 2024Observed: 6.52 ft at 6:00PM Mar 22, 2024Observed: 6.51 ft at 6:30PM Mar 22, 2024Observed: 6.51 ft at 7:00PM Mar 22, 2024Observed: 6.5 ft at 7:30PM Mar 22, 2024Observed: 6.49 ft at 8:00PM Mar 22, 2024Observed: 6.48 ft at 8:30PM Mar 22, 2024Observed: 6.47 ft at 9:00PM Mar 22, 2024Observed: 6.47 ft at 9:30PM Mar 22, 2024Observed: 6.46 ft at 10:00PM Mar 22, 2024Observed: 6.45 ft at 10:30PM Mar 22, 2024Observed: 6.44 ft at 11:00PM Mar 22, 2024Observed: 6.43 ft at 11:30PM Mar 22, 2024Observed: 6.43 ft at 12:00AM Mar 23, 2024Observed: 6.42 ft at 12:30AM Mar 23, 2024Observed: 6.42 ft at 1:00AM Mar 23, 2024Observed: 6.41 ft at 1:30AM Mar 23, 2024Observed: 6.4 ft at 2:00AM Mar 23, 2024Observed: 6.4 ft at 2:30AM Mar 23, 2024Observed: 6.39 ft at 3:00AM Mar 23, 2024Observed: 6.38 ft at 3:30AM Mar 23, 2024Observed: 6.38 ft at 4:00AM Mar 23, 2024Observed: 6.37 ft at 4:30AM Mar 23, 2024Observed: 6.36 ft at 5:00AM Mar 23, 2024Observed: 6.36 ft at 5:30AM Mar 23, 2024Observed: 6.35 ft at 6:00AM Mar 23, 2024Observed: 6.35 ft at 6:30AM Mar 23, 2024Observed: 6.34 ft at 7:00AM Mar 23, 2024Observed: 6.33 ft at 7:30AM Mar 23, 2024Observed: 6.33 ft at 8:00AM Mar 23, 2024Observed: 6.31 ft at 8:30AM Mar 23, 2024Observed: 6.31 ft at 9:00AM Mar 23, 2024Observed: 6.3 ft at 9:30AM Mar 23, 2024Observed: 6.3 ft at 10:00AM Mar 23, 2024Observed: 6.29 ft at 10:30AM Mar 23, 2024Observed: 6.28 ft at 11:00AM Mar 23, 2024Observed: 6.27 ft at 11:30AM Mar 23, 2024Observed: 6.26 ft at 12:00PM Mar 23, 2024Observed: 6.26 ft at 12:30PM Mar 23, 2024Observed: 6.26 ft at 1:00PM Mar 23, 2024Observed: 6.25 ft at 1:30PM Mar 23, 2024Observed: 6.24 ft at 2:00PM Mar 23, 2024Observed: 6.24 ft at 2:30PM Mar 23, 2024Observed: 6.24 ft at 3:00PM Mar 23, 2024Observed: 6.23 ft at 3:30PM Mar 23, 2024Observed: 6.22 ft at 4:00PM Mar 23, 2024Observed: 6.22 ft at 4:30PM Mar 23, 2024Observed: 6.21 ft at 5:00PM Mar 23, 2024Observed: 6.21 ft at 5:30PM Mar 23, 2024Observed: 6.2 ft at 6:00PM Mar 23, 2024Observed: 6.2 ft at 6:30PM Mar 23, 2024Observed: 6.19 ft at 7:00PM Mar 23, 2024Observed: 6.18 ft at 7:30PM Mar 23, 2024Observed: 6.18 ft at 8:00PM Mar 23, 2024Observed: 6.18 ft at 8:30PM Mar 23, 2024Observed: 6.17 ft at 9:00PM Mar 23, 2024Observed: 6.17 ft at 9:30PM Mar 23, 2024Observed: 6.16 ft at 10:00PM Mar 23, 2024Observed: 6.16 ft at 10:30PM Mar 23, 2024Observed: 6.15 ft at 11:00PM Mar 23, 2024Observed: 6.15 ft at 11:30PM Mar 23, 2024Observed: 6.14 ft at 12:00AM Mar 24, 2024Observed: 6.13 ft at 12:30AM Mar 24, 2024Observed: 6.13 ft at 1:00AM Mar 24, 2024Observed: 6.13 ft at 1:30AM Mar 24, 2024Observed: 6.12 ft at 2:00AM Mar 24, 2024Observed: 6.12 ft at 2:30AM Mar 24, 2024Observed: 6.12 ft at 3:00AM Mar 24, 2024Observed: 6.11 ft at 3:30AM Mar 24, 2024Observed: 6.1 ft at 4:00AM Mar 24, 2024Observed: 6.1 ft at 4:30AM Mar 24, 2024Observed: 6.1 ft at 5:00AM Mar 24, 2024Observed: 6.09 ft at 5:30AM Mar 24, 2024Observed: 6.09 ft at 6:00AM Mar 24, 2024Observed: 6.08 ft at 6:30AM Mar 24, 2024Observed: 6.08 ft at 7:00AM Mar 24, 2024Observed: 6.07 ft at 7:30AM Mar 24, 2024Observed: 6.07 ft at 8:00AM Mar 24, 2024Observed: 6.07 ft at 8:30AM Mar 24, 2024Observed: 6.06 ft at 9:00AM Mar 24, 2024Observed: 6.06 ft at 9:30AM Mar 24, 2024Observed: 6.05 ft at 10:00AM Mar 24, 2024Observed: 6.05 ft at 10:30AM Mar 24, 2024Observed: 6.04 ft at 11:00AM Mar 24, 2024Observed: 6.04 ft at 11:30AM Mar 24, 2024Observed: 6.03 ft at 12:00PM Mar 24, 2024Observed: 6.03 ft at 12:30PM Mar 24, 2024Observed: 6.03 ft at 1:00PM Mar 24, 2024Observed: 6.03 ft at 1:30PM Mar 24, 2024Observed: 6.02 ft at 2:00PM Mar 24, 2024Observed: 6.02 ft at 2:30PM Mar 24, 2024Observed: 6.01 ft at 3:00PM Mar 24, 2024Observed: 6.01 ft at 3:30PM Mar 24, 2024Observed: 6.01 ft at 4:00PM Mar 24, 2024Observed: 6.01 ft at 4:30PM Mar 24, 2024Observed: 6.01 ft at 5:00PM Mar 24, 2024Observed: 6 ft at 5:30PM Mar 24, 2024Observed: 6 ft at 6:00PM Mar 24, 2024Observed: 6 ft at 6:30PM Mar 24, 2024Observed: 5.99 ft at 7:00PM Mar 24, 2024Observed: 5.99 ft at 7:30PM Mar 24, 2024Observed: 5.99 ft at 8:00PM Mar 24, 2024Observed: 5.99 ft at 8:30PM Mar 24, 2024Observed: 5.98 ft at 9:00PM Mar 24, 2024Observed: 5.98 ft at 9:30PM Mar 24, 2024Observed: 5.98 ft at 10:00PM Mar 24, 2024Observed: 5.97 ft at 10:30PM Mar 24, 2024Observed: 5.97 ft at 11:00PM Mar 24, 2024Observed: 5.97 ft at 11:30PM Mar 24, 2024Observed: 5.96 ft at 12:00AM Mar 25, 2024Observed: 5.96 ft at 12:30AM Mar 25, 2024Observed: 5.96 ft at 1:00AM Mar 25, 2024Observed: 5.95 ft at 1:30AM Mar 25, 2024Observed: 5.95 ft at 2:00AM Mar 25, 2024Observed: 5.95 ft at 2:30AM Mar 25, 2024Observed: 5.95 ft at 3:00AM Mar 25, 2024Observed: 5.94 ft at 3:30AM Mar 25, 2024Observed: 5.94 ft at 4:00AM Mar 25, 2024Observed: 5.94 ft at 4:30AM Mar 25, 2024Observed: 5.94 ft at 5:00AM Mar 25, 2024Observed: 5.93 ft at 5:30AM Mar 25, 2024Observed: 5.93 ft at 6:00AM Mar 25, 2024Observed: 5.92 ft at 6:30AM Mar 25, 2024Observed: 5.92 ft at 7:00AM Mar 25, 2024Observed: 5.91 ft at 7:30AM Mar 25, 2024Observed: 5.91 ft at 8:00AM Mar 25, 2024Observed: 5.91 ft at 8:30AM Mar 25, 2024Observed: 5.9 ft at 9:00AM Mar 25, 2024Observed: 5.9 ft at 9:30AM Mar 25, 2024Observed: 5.89 ft at 10:00AM Mar 25, 2024Observed: 5.89 ft at 10:30AM Mar 25, 2024Observed: 5.89 ft at 11:00AM Mar 25, 2024Observed: 5.88 ft at 11:30AM Mar 25, 2024Observed: 5.88 ft at 12:00PM Mar 25, 2024Observed: 5.88 ft at 12:30PM Mar 25, 2024Observed: 5.87 ft at 1:00PM Mar 25, 2024Observed: 5.87 ft at 1:30PM Mar 25, 2024Observed: 5.86 ft at 2:00PM Mar 25, 2024Observed: 5.86 ft at 2:30PM Mar 25, 2024Observed: 5.86 ft at 3:00PM Mar 25, 2024Observed: 5.86 ft at 3:30PM Mar 25, 2024Observed: 5.85 ft at 4:00PM Mar 25, 2024Observed: 5.86 ft at 4:30PM Mar 25, 2024Observed: 5.85 ft at 5:00PM Mar 25, 2024Observed: 5.84 ft at 5:30PM Mar 25, 2024Observed: 5.84 ft at 6:00PM Mar 25, 2024Observed: 5.84 ft at 6:30PM Mar 25, 2024Observed: 5.83 ft at 7:00PM Mar 25, 2024Observed: 5.83 ft at 7:30PM Mar 25, 2024Observed: 5.83 ft at 8:00PM Mar 25, 2024Observed: 5.82 ft at 8:30PM Mar 25, 2024Observed: 5.82 ft at 9:00PM Mar 25, 2024Observed: 5.81 ft at 9:30PM Mar 25, 2024Observed: 5.81 ft at 10:00PM Mar 25, 2024Observed: 5.8 ft at 10:30PM Mar 25, 2024Observed: 5.8 ft at 11:00PM Mar 25, 2024Observed: 5.8 ft at 11:30PM Mar 25, 2024Observed: 5.8 ft at 12:00AM Mar 26, 2024Observed: 5.79 ft at 12:30AM Mar 26, 2024Observed: 5.79 ft at 1:00AM Mar 26, 2024Observed: 5.78 ft at 1:30AM Mar 26, 2024Observed: 5.78 ft at 2:00AM Mar 26, 2024Observed: 5.78 ft at 2:30AM Mar 26, 2024Observed: 5.77 ft at 3:00AM Mar 26, 2024Observed: 5.78 ft at 3:30AM Mar 26, 2024Observed: 5.77 ft at 4:00AM Mar 26, 2024Observed: 5.78 ft at 4:30AM Mar 26, 2024Observed: 5.78 ft at 5:00AM Mar 26, 2024Observed: 5.78 ft at 5:30AM Mar 26, 2024Observed: 5.78 ft at 6:00AM Mar 26, 2024Observed: 5.78 ft at 6:30AM Mar 26, 2024Observed: 5.78 ft at 7:00AM Mar 26, 2024Observed: 5.78 ft at 7:30AM Mar 26, 2024Observed: 5.78 ft at 8:00AM Mar 26, 2024Observed: 5.79 ft at 8:30AM Mar 26, 2024Observed: 5.78 ft at 9:00AM Mar 26, 2024Observed: 5.78 ft at 9:30AM Mar 26, 2024Observed: 5.77 ft at 10:00AM Mar 26, 2024Observed: 5.78 ft at 10:30AM Mar 26, 2024Observed: 5.79 ft at 11:00AM Mar 26, 2024Observed: 5.79 ft at 11:30AM Mar 26, 2024Observed: 5.81 ft at 12:00PM Mar 26, 2024Observed: 5.8 ft at 12:30PM Mar 26, 2024Observed: 5.81 ft at 1:00PM Mar 26, 2024Observed: 5.82 ft at 1:30PM Mar 26, 2024Observed: 5.82 ft at 2:00PM Mar 26, 2024Observed: 5.83 ft at 2:30PM Mar 26, 2024Observed: 5.83 ft at 3:00PM Mar 26, 2024Observed: 5.83 ft at 3:30PM Mar 26, 2024Observed: 5.84 ft at 4:00PM Mar 26, 2024Observed: 5.84 ft at 4:30PM Mar 26, 2024Observed: 5.83 ft at 5:00PM Mar 26, 2024Observed: 5.84 ft at 5:30PM Mar 26, 2024Observed: 5.84 ft at 6:00PM Mar 26, 2024Observed: 5.85 ft at 6:30PM Mar 26, 2024Observed: 5.85 ft at 7:00PM Mar 26, 2024Observed: 5.87 ft at 7:30PM Mar 26, 2024Observed: 5.87 ft at 8:00PM Mar 26, 2024Observed: 5.87 ft at 8:30PM Mar 26, 2024Observed: 5.87 ft at 9:00PM Mar 26, 2024Observed: 5.87 ft at 9:30PM Mar 26, 2024Observed: 5.88 ft at 10:00PM Mar 26, 2024Observed: 5.88 ft at 10:30PM Mar 26, 2024Observed: 5.88 ft at 11:00PM Mar 26, 2024Observed: 5.88 ft at 11:30PM Mar 26, 2024Observed: 5.88 ft at 12:00AM Mar 27, 2024Observed: 5.88 ft at 12:30AM Mar 27, 2024Observed: 5.88 ft at 1:00AM Mar 27, 2024Observed: 5.89 ft at 1:30AM Mar 27, 2024Observed: 5.89 ft at 2:00AM Mar 27, 2024Observed: 5.9 ft at 2:30AM Mar 27, 2024Observed: 5.9 ft at 3:00AM Mar 27, 2024Observed: 5.91 ft at 3:30AM Mar 27, 2024Observed: 5.91 ft at 4:00AM Mar 27, 2024Observed: 5.92 ft at 4:30AM Mar 27, 2024Observed: 5.93 ft at 5:00AM Mar 27, 2024Observed: 5.93 ft at 5:30AM Mar 27, 2024Observed: 5.94 ft at 6:00AM Mar 27, 2024Observed: 5.95 ft at 6:30AM Mar 27, 2024Observed: 5.95 ft at 7:00AM Mar 27, 2024Observed: 5.96 ft at 7:30AM Mar 27, 2024Observed: 5.96 ft at 8:00AM Mar 27, 2024Observed: 5.97 ft at 8:30AM Mar 27, 2024Observed: 5.97 ft at 9:00AM Mar 27, 2024Observed: 5.98 ft at 9:30AM Mar 27, 2024Observed: 5.98 ft at 10:00AM Mar 27, 2024Observed: 5.99 ft at 10:30AM Mar 27, 2024Observed: 6 ft at 11:00AM Mar 27, 2024Observed: 6 ft at 11:30AM Mar 27, 2024Observed: 6.01 ft at 12:00PM Mar 27, 2024Observed: 6.01 ft at 12:30PM Mar 27, 2024Observed: 6.01 ft at 1:00PM Mar 27, 2024Observed: 6.02 ft at 1:30PM Mar 27, 2024Observed: 6.02 ft at 2:00PM Mar 27, 2024Observed: 6.02 ft at 2:30PM Mar 27, 2024Observed: 6.02 ft at 3:00PM Mar 27, 2024Observed: 6.02 ft at 3:30PM Mar 27, 2024Observed: 6.02 ft at 4:00PM Mar 27, 2024Observed: 6.02 ft at 4:30PM Mar 27, 2024Observed: 6.02 ft at 5:00PM Mar 27, 2024Observed: 6.02 ft at 5:30PM Mar 27, 2024Observed: 6.02 ft at 6:00PM Mar 27, 2024Observed: 6.02 ft at 6:30PM Mar 27, 2024Observed: 6.02 ft at 7:00PM Mar 27, 2024Observed: 6.02 ft at 7:30PM Mar 27, 2024Observed: 6.02 ft at 8:00PM Mar 27, 2024Observed: 6.02 ft at 8:30PM Mar 27, 2024Observed: 6.02 ft at 9:00PM Mar 27, 2024Observed: 6.01 ft at 9:30PM Mar 27, 2024Observed: 6.01 ft at 10:00PM Mar 27, 2024Observed: 6.01 ft at 10:30PM Mar 27, 2024Observed: 6.01 ft at 11:00PM Mar 27, 2024Observed: 6.01 ft at 11:30PM Mar 27, 2024Observed: 6.01 ft at 12:00AM Mar 28, 2024Observed: 6.01 ft at 12:30AM Mar 28, 2024Observed: 6.01 ft at 1:00AM Mar 28, 2024Observed: 6.01 ft at 1:30AM Mar 28, 2024Observed: 6 ft at 2:00AM Mar 28, 2024Observed: 6 ft at 2:30AM Mar 28, 2024Observed: 6 ft at 3:00AM Mar 28, 2024Observed: 6 ft at 3:30AM Mar 28, 2024Highest Forecast: 5.9 ft 8:00AM Mar 28, 2024Highest Forecast: 5.9 ft 2:00PM Mar 28, 2024Forecast: 5.8 ft 8:00PM Mar 28, 2024Forecast: 5.8 ft 2:00AM Mar 29, 2024Forecast: 5.8 ft 8:00AM Mar 29, 2024Forecast: 5.8 ft 2:00PM Mar 29, 2024Forecast: 5.7 ft 8:00PM Mar 29, 2024Forecast: 5.7 ft 2:00AM Mar 30, 2024Forecast: 5.7 ft 8:00AM Mar 30, 2024Forecast: 5.7 ft 2:00PM Mar 30, 2024Forecast: 5.7 ft 8:00PM Mar 30, 2024Forecast: 5.6 ft 2:00AM Mar 31, 2024Forecast: 5.6 ft 8:00AM Mar 31, 2024Forecast: 5.5 ft 2:00PM Mar 31, 2024Forecast: 5.5 ft 8:00PM Mar 31, 2024Forecast: 5.5 ft 2:00AM Apr 01, 2024Forecast: 5.5 ft 8:00AM Apr 01, 2024Jump to USGS siteOTTO1(plotting HGIRG) Graph Created (4:38AM Mar 28, 2024)ObservedForecast (issued 10:13AM Mar 27)Latest observed value: 6 ft at 3:30 AM EDT 28-Mar-2024. Flood Stage is 23 ft
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Datum: NAVD88
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NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

NOTE: Stage may be affected by ice during winter months.

NOTE: Forecasts for the Blanchard River at Ottawa are issued routinely year-round.

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Flood Categories (in feet)
Major Flood Stage: 30
Moderate Flood Stage: 27
Flood Stage: 23
Action Stage: 20
Low Stage (in feet): -9999

Historic Crests
(1) 33.30 ft on 03/25/1913
(2) 31.40 ft on 08/23/2007
(3) 29.75 ft on 06/15/1981
(4) 29.72 ft on 02/11/1959
(5) 29.29 ft on 02/07/2008
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 23.80 ft on 05/11/2021 (P)
(2) 25.17 ft on 05/20/2020
(3) 25.32 ft on 04/27/2019
(4) 22.23 ft on 02/22/2018
(5) 27.55 ft on 07/15/2017
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) -2.37 ft on 01/15/1979
(2) -1.50 ft on 02/19/1980
(3) 4.39 ft on 08/28/2020
Show More Low Water Records

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

Zoom Level:16
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Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
29 Widespread major flooding occurs throughout downtown Ottawa.
27 Flooding worsens on the south side of Ottawa, with water on several roads. Flooding also begins in other areas of Ottawa.
26.6 Flood water begins to hit the bottom of the bridge at the gage site.
25 Flooding begins along south Walnut and west Second Streets on the south side of Ottawa.
23 Lowland flooding occurs mainly in south Ottawa. Flood water also gets into low farmlands.
Photos
(1) Upstream view from gauge site
(2) Downstream view from gauge site
About This Location Collapse

Latitude: 41.017000° N, Longitude: 84.046900° W, Horizontal Datum: NAD27

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 23 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 698.43 ft 721.43 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

Additional Information Collapse
Per USGS record: All periods of record that are estimated are rated poor. All other periods are rated as follows: For the period Oct. 1, 2014 to Feb. 10, 2016, records good. Feb. 11, 2016 to Dec. 22, 2016 discharge records are good. Dec. 23, 2016 to Feb. 14, 2017 discharge records are fair. Feb. 15, 2017 to May 29, 2017 discharge records are good. May 30, 2017 to Nov. 14, 2017 discharge records are fair. Nov. 15, 2017 to Oct. 30, 2018 discharge records are fair, except for discharges between 700 cfs. and 5900 cfs. which are poor. Gauge zero transitioned from 699 NGVD29 to 698.43 NAVD88 on Oct 1, 2009. Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 10 Day (NAEFS) River Forecast VS. River Potential
HEFS Ensemble NAEFS Ensemble Outlook vs. Forecast

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

Click individual graphics to enlarge.

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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Northern Indiana Weather Forecast Office
7506 E 850 N
Syracuse, IN 46567
(574) 834-1104
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Page last modified: 2-Nov-2020 7:30 PM
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