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Hydrograph River at a Glance Download Inundation
Mapping
Blanchard River at Ottawa Stage (ft)Flow (kcfs)Observed: 23.34 ft at 8:00PM Mar 30, 2020Highest Observation: 23.35 ft at 8:30PM Mar 30, 2020Observed: 23.34 ft at 9:00PM Mar 30, 2020Observed: 23.33 ft at 9:30PM Mar 30, 2020Observed: 23.31 ft at 10:00PM Mar 30, 2020Observed: 23.31 ft at 10:30PM Mar 30, 2020Observed: 23.3 ft at 11:00PM Mar 30, 2020Observed: 23.28 ft at 11:30PM Mar 30, 2020Observed: 23.27 ft at 12:00AM Mar 31, 2020Observed: 23.26 ft at 12:30AM Mar 31, 2020Observed: 23.23 ft at 1:00AM Mar 31, 2020Observed: 23.22 ft at 1:30AM Mar 31, 2020Observed: 23.18 ft at 2:00AM Mar 31, 2020Observed: 23.16 ft at 2:30AM Mar 31, 2020Observed: 23.14 ft at 3:00AM Mar 31, 2020Observed: 23.1 ft at 3:30AM Mar 31, 2020Observed: 23.06 ft at 4:00AM Mar 31, 2020Observed: 23.03 ft at 4:30AM Mar 31, 2020Observed: 23 ft at 5:00AM Mar 31, 2020Observed: 22.95 ft at 5:30AM Mar 31, 2020Observed: 22.93 ft at 6:00AM Mar 31, 2020Observed: 22.88 ft at 6:30AM Mar 31, 2020Observed: 22.85 ft at 7:00AM Mar 31, 2020Observed: 22.81 ft at 7:30AM Mar 31, 2020Observed: 22.77 ft at 8:00AM Mar 31, 2020Observed: 22.72 ft at 8:30AM Mar 31, 2020Observed: 22.68 ft at 9:00AM Mar 31, 2020Observed: 22.64 ft at 9:30AM Mar 31, 2020Observed: 22.58 ft at 10:00AM Mar 31, 2020Observed: 22.54 ft at 10:30AM Mar 31, 2020Observed: 22.5 ft at 11:00AM Mar 31, 2020Observed: 22.46 ft at 11:30AM Mar 31, 2020Observed: 22.41 ft at 12:00PM Mar 31, 2020Observed: 22.37 ft at 12:30PM Mar 31, 2020Observed: 22.29 ft at 1:00PM Mar 31, 2020Observed: 22.25 ft at 1:30PM Mar 31, 2020Observed: 22.21 ft at 2:00PM Mar 31, 2020Observed: 22.16 ft at 2:30PM Mar 31, 2020Observed: 22.1 ft at 3:00PM Mar 31, 2020Observed: 22.05 ft at 3:30PM Mar 31, 2020Observed: 21.99 ft at 4:00PM Mar 31, 2020Observed: 21.94 ft at 4:30PM Mar 31, 2020Observed: 21.88 ft at 5:00PM Mar 31, 2020Observed: 21.82 ft at 5:30PM Mar 31, 2020Observed: 21.77 ft at 6:00PM Mar 31, 2020Observed: 21.7 ft at 6:30PM Mar 31, 2020Observed: 21.64 ft at 7:00PM Mar 31, 2020Observed: 21.57 ft at 7:30PM Mar 31, 2020Observed: 21.49 ft at 8:00PM Mar 31, 2020Observed: 21.43 ft at 8:30PM Mar 31, 2020Observed: 21.35 ft at 9:00PM Mar 31, 2020Observed: 21.28 ft at 9:30PM Mar 31, 2020Observed: 21.19 ft at 10:00PM Mar 31, 2020Observed: 21.12 ft at 10:30PM Mar 31, 2020Observed: 21.03 ft at 11:00PM Mar 31, 2020Observed: 20.94 ft at 11:30PM Mar 31, 2020Observed: 20.86 ft at 12:00AM Apr 01, 2020Observed: 20.76 ft at 12:30AM Apr 01, 2020Observed: 20.66 ft at 1:00AM Apr 01, 2020Observed: 20.55 ft at 1:30AM Apr 01, 2020Observed: 20.46 ft at 2:00AM Apr 01, 2020Observed: 20.35 ft at 2:30AM Apr 01, 2020Observed: 20.25 ft at 3:00AM Apr 01, 2020Observed: 20.14 ft at 3:30AM Apr 01, 2020Observed: 20.03 ft at 4:00AM Apr 01, 2020Observed: 19.92 ft at 4:30AM Apr 01, 2020Observed: 19.8 ft at 5:00AM Apr 01, 2020Observed: 19.68 ft at 5:30AM Apr 01, 2020Observed: 19.57 ft at 6:00AM Apr 01, 2020Observed: 19.46 ft at 6:30AM Apr 01, 2020Observed: 19.33 ft at 7:00AM Apr 01, 2020Observed: 19.21 ft at 7:30AM Apr 01, 2020Observed: 19.1 ft at 8:00AM Apr 01, 2020Observed: 18.97 ft at 8:30AM Apr 01, 2020Observed: 18.85 ft at 9:00AM Apr 01, 2020Observed: 18.72 ft at 9:30AM Apr 01, 2020Observed: 18.6 ft at 10:00AM Apr 01, 2020Observed: 18.48 ft at 10:30AM Apr 01, 2020Observed: 18.35 ft at 11:00AM Apr 01, 2020Observed: 18.23 ft at 11:30AM Apr 01, 2020Observed: 18.1 ft at 12:00PM Apr 01, 2020Observed: 17.98 ft at 12:30PM Apr 01, 2020Observed: 17.85 ft at 1:00PM Apr 01, 2020Observed: 17.73 ft at 1:30PM Apr 01, 2020Observed: 17.6 ft at 2:00PM Apr 01, 2020Observed: 17.48 ft at 2:30PM Apr 01, 2020Observed: 17.36 ft at 3:00PM Apr 01, 2020Observed: 17.24 ft at 3:30PM Apr 01, 2020Observed: 17.13 ft at 4:00PM Apr 01, 2020Observed: 17.01 ft at 4:30PM Apr 01, 2020Observed: 16.89 ft at 5:00PM Apr 01, 2020Observed: 16.77 ft at 5:30PM Apr 01, 2020Observed: 16.65 ft at 6:00PM Apr 01, 2020Observed: 16.54 ft at 6:30PM Apr 01, 2020Observed: 16.42 ft at 7:00PM Apr 01, 2020Observed: 16.31 ft at 7:30PM Apr 01, 2020Observed: 16.2 ft at 8:00PM Apr 01, 2020Observed: 16.08 ft at 8:30PM Apr 01, 2020Observed: 15.97 ft at 9:00PM Apr 01, 2020Observed: 15.86 ft at 9:30PM Apr 01, 2020Observed: 15.75 ft at 10:00PM Apr 01, 2020Observed: 15.64 ft at 10:30PM Apr 01, 2020Observed: 15.52 ft at 11:00PM Apr 01, 2020Observed: 15.41 ft at 11:30PM Apr 01, 2020Observed: 15.3 ft at 12:00AM Apr 02, 2020Observed: 15.18 ft at 12:30AM Apr 02, 2020Observed: 15.07 ft at 1:00AM Apr 02, 2020Observed: 14.95 ft at 1:30AM Apr 02, 2020Observed: 14.84 ft at 2:00AM Apr 02, 2020Observed: 14.72 ft at 2:30AM Apr 02, 2020Observed: 14.61 ft at 3:00AM Apr 02, 2020Observed: 14.49 ft at 3:30AM Apr 02, 2020Observed: 14.38 ft at 4:00AM Apr 02, 2020Observed: 14.26 ft at 4:30AM Apr 02, 2020Observed: 14.15 ft at 5:00AM Apr 02, 2020Observed: 14.03 ft at 5:30AM Apr 02, 2020Observed: 13.92 ft at 6:00AM Apr 02, 2020Observed: 13.81 ft at 6:30AM Apr 02, 2020Observed: 13.7 ft at 7:00AM Apr 02, 2020Observed: 13.59 ft at 7:30AM Apr 02, 2020Observed: 13.48 ft at 8:00AM Apr 02, 2020Observed: 13.37 ft at 8:30AM Apr 02, 2020Observed: 13.26 ft at 9:00AM Apr 02, 2020Observed: 13.15 ft at 9:30AM Apr 02, 2020Observed: 13.04 ft at 10:00AM Apr 02, 2020Observed: 12.93 ft at 10:30AM Apr 02, 2020Observed: 12.82 ft at 11:00AM Apr 02, 2020Observed: 12.72 ft at 11:30AM Apr 02, 2020Observed: 12.61 ft at 12:00PM Apr 02, 2020Observed: 12.51 ft at 12:30PM Apr 02, 2020Observed: 12.42 ft at 1:00PM Apr 02, 2020Observed: 12.32 ft at 1:30PM Apr 02, 2020Observed: 12.22 ft at 2:00PM Apr 02, 2020Observed: 12.13 ft at 2:30PM Apr 02, 2020Observed: 12.04 ft at 3:00PM Apr 02, 2020Observed: 11.96 ft at 3:30PM Apr 02, 2020Observed: 11.88 ft at 4:00PM Apr 02, 2020Observed: 11.8 ft at 4:30PM Apr 02, 2020Observed: 11.04 ft at 10:00PM Apr 02, 2020Observed: 10.99 ft at 10:30PM Apr 02, 2020Observed: 10.94 ft at 11:00PM Apr 02, 2020Observed: 10.89 ft at 11:30PM Apr 02, 2020Observed: 10.83 ft at 12:00AM Apr 03, 2020Observed: 10.79 ft at 12:30AM Apr 03, 2020Observed: 10.74 ft at 1:00AM Apr 03, 2020Observed: 10.69 ft at 1:30AM Apr 03, 2020Observed: 10.65 ft at 2:00AM Apr 03, 2020Observed: 10.61 ft at 2:30AM Apr 03, 2020Observed: 10.57 ft at 3:00AM Apr 03, 2020Observed: 10.53 ft at 3:30AM Apr 03, 2020Observed: 10.49 ft at 4:00AM Apr 03, 2020Observed: 10.45 ft at 4:30AM Apr 03, 2020Observed: 10.42 ft at 5:00AM Apr 03, 2020Observed: 10.38 ft at 5:30AM Apr 03, 2020Observed: 10.35 ft at 6:00AM Apr 03, 2020Observed: 10.32 ft at 6:30AM Apr 03, 2020Observed: 10.22 ft at 8:00AM Apr 03, 2020Observed: 10.18 ft at 8:30AM Apr 03, 2020Observed: 10.16 ft at 9:00AM Apr 03, 2020Observed: 10.13 ft at 9:30AM Apr 03, 2020Observed: 10.1 ft at 10:00AM Apr 03, 2020Observed: 10.08 ft at 10:30AM Apr 03, 2020Observed: 10.05 ft at 11:00AM Apr 03, 2020Observed: 10.03 ft at 11:30AM Apr 03, 2020Observed: 10 ft at 12:00PM Apr 03, 2020Observed: 9.97 ft at 12:30PM Apr 03, 2020Observed: 9.95 ft at 1:00PM Apr 03, 2020Observed: 9.93 ft at 1:30PM Apr 03, 2020Observed: 9.91 ft at 2:00PM Apr 03, 2020Observed: 9.88 ft at 2:30PM Apr 03, 2020Observed: 9.86 ft at 3:00PM Apr 03, 2020Observed: 9.84 ft at 3:30PM Apr 03, 2020Observed: 9.82 ft at 4:00PM Apr 03, 2020Observed: 9.79 ft at 4:30PM Apr 03, 2020Observed: 9.77 ft at 5:00PM Apr 03, 2020Observed: 9.76 ft at 5:30PM Apr 03, 2020Observed: 9.73 ft at 6:00PM Apr 03, 2020Observed: 9.71 ft at 6:30PM Apr 03, 2020Observed: 9.69 ft at 7:00PM Apr 03, 2020Observed: 9.67 ft at 7:30PM Apr 03, 2020Observed: 9.65 ft at 8:00PM Apr 03, 2020Observed: 9.64 ft at 8:30PM Apr 03, 2020Observed: 9.62 ft at 9:00PM Apr 03, 2020Observed: 9.6 ft at 9:30PM Apr 03, 2020Observed: 9.58 ft at 10:00PM Apr 03, 2020Observed: 9.57 ft at 10:30PM Apr 03, 2020Observed: 9.55 ft at 11:00PM Apr 03, 2020Observed: 9.53 ft at 11:30PM Apr 03, 2020Observed: 9.52 ft at 12:00AM Apr 04, 2020Observed: 9.5 ft at 12:30AM Apr 04, 2020Observed: 9.48 ft at 1:00AM Apr 04, 2020Observed: 9.46 ft at 1:30AM Apr 04, 2020Observed: 9.45 ft at 2:00AM Apr 04, 2020Observed: 9.43 ft at 2:30AM Apr 04, 2020Observed: 9.41 ft at 3:00AM Apr 04, 2020Observed: 9.39 ft at 3:30AM Apr 04, 2020Observed: 9.38 ft at 4:00AM Apr 04, 2020Observed: 9.35 ft at 4:30AM Apr 04, 2020Observed: 9.33 ft at 5:00AM Apr 04, 2020Observed: 9.31 ft at 5:30AM Apr 04, 2020Observed: 9.29 ft at 6:00AM Apr 04, 2020Observed: 9.26 ft at 6:30AM Apr 04, 2020Observed: 9.24 ft at 7:00AM Apr 04, 2020Observed: 9.22 ft at 7:30AM Apr 04, 2020Observed: 9.19 ft at 8:00AM Apr 04, 2020Observed: 9.16 ft at 8:30AM Apr 04, 2020Observed: 9.14 ft at 9:00AM Apr 04, 2020Observed: 9.12 ft at 9:30AM Apr 04, 2020Observed: 9.09 ft at 10:00AM Apr 04, 2020Observed: 9.06 ft at 10:30AM Apr 04, 2020Observed: 9.04 ft at 11:00AM Apr 04, 2020Observed: 9.01 ft at 11:30AM Apr 04, 2020Observed: 8.98 ft at 12:00PM Apr 04, 2020Observed: 8.95 ft at 12:30PM Apr 04, 2020Observed: 8.93 ft at 1:00PM Apr 04, 2020Observed: 8.9 ft at 1:30PM Apr 04, 2020Observed: 8.88 ft at 2:00PM Apr 04, 2020Observed: 8.85 ft at 2:30PM Apr 04, 2020Observed: 8.83 ft at 3:00PM Apr 04, 2020Observed: 8.8 ft at 3:30PM Apr 04, 2020Observed: 8.78 ft at 4:00PM Apr 04, 2020Observed: 8.75 ft at 4:30PM Apr 04, 2020Observed: 8.73 ft at 5:00PM Apr 04, 2020Observed: 8.71 ft at 5:30PM Apr 04, 2020Observed: 8.69 ft at 6:00PM Apr 04, 2020Observed: 8.67 ft at 6:30PM Apr 04, 2020Observed: 8.65 ft at 7:00PM Apr 04, 2020Observed: 8.63 ft at 7:30PM Apr 04, 2020Observed: 8.61 ft at 8:00PM Apr 04, 2020Observed: 8.59 ft at 8:30PM Apr 04, 2020Observed: 8.57 ft at 9:00PM Apr 04, 2020Observed: 8.56 ft at 9:30PM Apr 04, 2020Observed: 8.54 ft at 10:00PM Apr 04, 2020Observed: 8.52 ft at 10:30PM Apr 04, 2020Observed: 8.51 ft at 11:00PM Apr 04, 2020Observed: 8.5 ft at 11:30PM Apr 04, 2020Observed: 8.48 ft at 12:00AM Apr 05, 2020Observed: 8.47 ft at 12:30AM Apr 05, 2020Observed: 8.46 ft at 1:00AM Apr 05, 2020Observed: 8.44 ft at 1:30AM Apr 05, 2020Observed: 8.42 ft at 2:00AM Apr 05, 2020Observed: 8.42 ft at 2:30AM Apr 05, 2020Observed: 8.41 ft at 3:00AM Apr 05, 2020Observed: 8.39 ft at 3:30AM Apr 05, 2020Observed: 8.39 ft at 4:00AM Apr 05, 2020Observed: 8.37 ft at 4:30AM Apr 05, 2020Observed: 8.36 ft at 5:00AM Apr 05, 2020Observed: 8.35 ft at 5:30AM Apr 05, 2020Observed: 8.34 ft at 6:00AM Apr 05, 2020Observed: 8.33 ft at 6:30AM Apr 05, 2020Observed: 8.32 ft at 7:00AM Apr 05, 2020Observed: 8.31 ft at 7:30AM Apr 05, 2020Observed: 8.31 ft at 8:00AM Apr 05, 2020Observed: 8.3 ft at 8:30AM Apr 05, 2020Observed: 8.28 ft at 9:00AM Apr 05, 2020Observed: 8.28 ft at 9:30AM Apr 05, 2020Observed: 8.27 ft at 10:00AM Apr 05, 2020Observed: 8.27 ft at 10:30AM Apr 05, 2020Observed: 8.26 ft at 11:00AM Apr 05, 2020Observed: 8.25 ft at 11:30AM Apr 05, 2020Observed: 8.24 ft at 12:00PM Apr 05, 2020Observed: 8.23 ft at 12:30PM Apr 05, 2020Observed: 8.22 ft at 1:00PM Apr 05, 2020Observed: 8.22 ft at 1:30PM Apr 05, 2020Observed: 8.2 ft at 2:00PM Apr 05, 2020Observed: 8.2 ft at 2:30PM Apr 05, 2020Observed: 8.19 ft at 3:00PM Apr 05, 2020Observed: 8.17 ft at 3:30PM Apr 05, 2020Observed: 8.17 ft at 4:00PM Apr 05, 2020Observed: 8.16 ft at 4:30PM Apr 05, 2020Observed: 8.14 ft at 5:00PM Apr 05, 2020Observed: 8.13 ft at 5:30PM Apr 05, 2020Observed: 8.12 ft at 6:00PM Apr 05, 2020Observed: 8.11 ft at 6:30PM Apr 05, 2020Observed: 8.1 ft at 7:00PM Apr 05, 2020Observed: 8.09 ft at 7:30PM Apr 05, 2020Observed: 8.07 ft at 8:00PM Apr 05, 2020Observed: 8.07 ft at 8:30PM Apr 05, 2020Observed: 8.06 ft at 9:00PM Apr 05, 2020Observed: 8.04 ft at 9:30PM Apr 05, 2020Observed: 8.04 ft at 10:00PM Apr 05, 2020Observed: 8.02 ft at 10:30PM Apr 05, 2020Observed: 8.01 ft at 11:00PM Apr 05, 2020Observed: 8.01 ft at 11:30PM Apr 05, 2020Observed: 8 ft at 12:00AM Apr 06, 2020Observed: 7.99 ft at 12:30AM Apr 06, 2020Observed: 7.98 ft at 1:00AM Apr 06, 2020Observed: 7.97 ft at 1:30AM Apr 06, 2020Observed: 7.96 ft at 2:00AM Apr 06, 2020Observed: 7.95 ft at 2:30AM Apr 06, 2020Observed: 7.94 ft at 3:00AM Apr 06, 2020Observed: 7.93 ft at 3:30AM Apr 06, 2020Observed: 7.92 ft at 4:00AM Apr 06, 2020Observed: 7.91 ft at 4:30AM Apr 06, 2020Observed: 7.9 ft at 5:00AM Apr 06, 2020Observed: 7.89 ft at 5:30AM Apr 06, 2020Observed: 7.88 ft at 6:00AM Apr 06, 2020Observed: 7.87 ft at 6:30AM Apr 06, 2020Observed: 7.86 ft at 7:00AM Apr 06, 2020Observed: 7.85 ft at 7:30AM Apr 06, 2020Observed: 7.85 ft at 8:00AM Apr 06, 2020Observed: 7.84 ft at 8:30AM Apr 06, 2020Observed: 7.83 ft at 9:00AM Apr 06, 2020Observed: 7.82 ft at 9:30AM Apr 06, 2020Observed: 7.81 ft at 10:00AM Apr 06, 2020Observed: 7.8 ft at 10:30AM Apr 06, 2020Observed: 7.75 ft at 12:00PM Apr 06, 2020Observed: 7.74 ft at 12:30PM Apr 06, 2020Observed: 7.73 ft at 1:00PM Apr 06, 2020Observed: 7.72 ft at 1:30PM Apr 06, 2020Observed: 7.7 ft at 2:00PM Apr 06, 2020Observed: 7.69 ft at 2:30PM Apr 06, 2020Observed: 7.68 ft at 3:00PM Apr 06, 2020Observed: 7.67 ft at 3:30PM Apr 06, 2020Observed: 7.67 ft at 4:00PM Apr 06, 2020Observed: 7.65 ft at 4:30PM Apr 06, 2020Observed: 7.64 ft at 5:00PM Apr 06, 2020Observed: 7.63 ft at 5:30PM Apr 06, 2020Observed: 7.62 ft at 6:00PM Apr 06, 2020Observed: 7.61 ft at 6:30PM Apr 06, 2020Observed: 7.6 ft at 7:00PM Apr 06, 2020Observed: 7.6 ft at 7:30PM Apr 06, 2020Observed: 7.59 ft at 8:00PM Apr 06, 2020Observed: 7.58 ft at 8:30PM Apr 06, 2020Observed: 7.57 ft at 9:00PM Apr 06, 2020Observed: 7.56 ft at 9:30PM Apr 06, 2020Observed: 7.54 ft at 10:00PM Apr 06, 2020Observed: 7.53 ft at 10:30PM Apr 06, 2020Observed: 7.52 ft at 11:00PM Apr 06, 2020Observed: 7.51 ft at 11:30PM Apr 06, 2020Observed: 7.5 ft at 12:00AM Apr 07, 2020Observed: 7.5 ft at 12:30AM Apr 07, 2020Observed: 7.48 ft at 1:00AM Apr 07, 2020Observed: 7.48 ft at 1:30AM Apr 07, 2020Observed: 7.47 ft at 2:00AM Apr 07, 2020Observed: 7.46 ft at 2:30AM Apr 07, 2020Observed: 7.45 ft at 3:00AM Apr 07, 2020Observed: 7.44 ft at 3:30AM Apr 07, 2020Observed: 7.43 ft at 4:00AM Apr 07, 2020Observed: 7.43 ft at 4:30AM Apr 07, 2020Observed: 7.43 ft at 5:00AM Apr 07, 2020Observed: 7.43 ft at 5:30AM Apr 07, 2020Observed: 7.43 ft at 6:00AM Apr 07, 2020Observed: 7.45 ft at 6:30AM Apr 07, 2020Observed: 7.47 ft at 7:00AM Apr 07, 2020Observed: 7.48 ft at 7:30AM Apr 07, 2020Observed: 7.49 ft at 8:00AM Apr 07, 2020Observed: 7.51 ft at 8:30AM Apr 07, 2020Observed: 7.53 ft at 9:00AM Apr 07, 2020Observed: 7.57 ft at 9:30AM Apr 07, 2020Observed: 7.6 ft at 10:00AM Apr 07, 2020Observed: 7.63 ft at 10:30AM Apr 07, 2020Observed: 7.65 ft at 11:00AM Apr 07, 2020Observed: 7.68 ft at 11:30AM Apr 07, 2020Observed: 7.72 ft at 12:00PM Apr 07, 2020Observed: 7.76 ft at 12:30PM Apr 07, 2020Observed: 7.78 ft at 1:00PM Apr 07, 2020Observed: 7.82 ft at 1:30PM Apr 07, 2020Observed: 7.86 ft at 2:00PM Apr 07, 2020Observed: 7.89 ft at 2:30PM Apr 07, 2020Observed: 7.93 ft at 3:00PM Apr 07, 2020Observed: 7.98 ft at 3:30PM Apr 07, 2020Observed: 8.03 ft at 4:00PM Apr 07, 2020Observed: 8.08 ft at 4:30PM Apr 07, 2020Observed: 8.14 ft at 5:00PM Apr 07, 2020Observed: 8.2 ft at 5:30PM Apr 07, 2020Observed: 8.27 ft at 6:00PM Apr 07, 2020Observed: 8.34 ft at 6:30PM Apr 07, 2020Observed: 8.4 ft at 7:00PM Apr 07, 2020Observed: 8.48 ft at 7:30PM Apr 07, 2020Observed: 8.56 ft at 8:00PM Apr 07, 2020Observed: 8.66 ft at 8:30PM Apr 07, 2020Observed: 8.76 ft at 9:00PM Apr 07, 2020Observed: 8.89 ft at 9:30PM Apr 07, 2020Observed: 9.05 ft at 10:00PM Apr 07, 2020Observed: 9.26 ft at 10:30PM Apr 07, 2020Observed: 9.51 ft at 11:00PM Apr 07, 2020Observed: 9.82 ft at 11:30PM Apr 07, 2020Observed: 10.14 ft at 12:00AM Apr 08, 2020Observed: 10.45 ft at 12:30AM Apr 08, 2020Observed: 10.78 ft at 1:00AM Apr 08, 2020Observed: 11.09 ft at 1:30AM Apr 08, 2020Observed: 11.36 ft at 2:00AM Apr 08, 2020Observed: 11.59 ft at 2:30AM Apr 08, 2020Observed: 11.8 ft at 3:00AM Apr 08, 2020Observed: 11.99 ft at 3:30AM Apr 08, 2020Observed: 12.15 ft at 4:00AM Apr 08, 2020Observed: 12.29 ft at 4:30AM Apr 08, 2020Observed: 12.41 ft at 5:00AM Apr 08, 2020Observed: 12.51 ft at 5:30AM Apr 08, 2020Observed: 12.59 ft at 6:00AM Apr 08, 2020Observed: 12.68 ft at 6:30AM Apr 08, 2020Observed: 12.76 ft at 7:00AM Apr 08, 2020Observed: 12.84 ft at 7:30AM Apr 08, 2020Observed: 12.92 ft at 8:00AM Apr 08, 2020Observed: 13 ft at 8:30AM Apr 08, 2020Observed: 13.08 ft at 9:00AM Apr 08, 2020Observed: 13.16 ft at 9:30AM Apr 08, 2020Observed: 13.26 ft at 10:00AM Apr 08, 2020Observed: 13.36 ft at 10:30AM Apr 08, 2020Observed: 13.46 ft at 11:00AM Apr 08, 2020Observed: 13.57 ft at 11:30AM Apr 08, 2020Observed: 13.69 ft at 12:00PM Apr 08, 2020Observed: 13.8 ft at 12:30PM Apr 08, 2020Observed: 13.92 ft at 1:00PM Apr 08, 2020Observed: 14.04 ft at 1:30PM Apr 08, 2020Observed: 14.15 ft at 2:00PM Apr 08, 2020Observed: 14.27 ft at 2:30PM Apr 08, 2020Observed: 14.4 ft at 3:00PM Apr 08, 2020Observed: 14.52 ft at 3:30PM Apr 08, 2020Observed: 14.64 ft at 4:00PM Apr 08, 2020Observed: 14.76 ft at 4:30PM Apr 08, 2020Observed: 14.88 ft at 5:00PM Apr 08, 2020Observed: 15 ft at 5:30PM Apr 08, 2020Observed: 15.11 ft at 6:00PM Apr 08, 2020Observed: 15.23 ft at 6:30PM Apr 08, 2020Observed: 15.33 ft at 7:00PM Apr 08, 2020Observed: 15.43 ft at 7:30PM Apr 08, 2020Observed: 15.53 ft at 8:00PM Apr 08, 2020Observed: 15.61 ft at 8:30PM Apr 08, 2020Forecast: 17.5 ft 2:00AM Apr 09, 2020Forecast: 18.2 ft 8:00AM Apr 09, 2020Highest Forecast: 18.4 ft 2:00PM Apr 09, 2020Forecast: 18.2 ft 8:00PM Apr 09, 2020Forecast: 17.7 ft 2:00AM Apr 10, 2020Forecast: 17.1 ft 8:00AM Apr 10, 2020Forecast: 16.3 ft 2:00PM Apr 10, 2020Forecast: 15.5 ft 8:00PM Apr 10, 2020Forecast: 14.7 ft 2:00AM Apr 11, 2020Forecast: 14 ft 8:00AM Apr 11, 2020Forecast: 13.4 ft 2:00PM Apr 11, 2020Forecast: 12.8 ft 8:00PM Apr 11, 2020Forecast: 12.3 ft 2:00AM Apr 12, 2020Forecast: 11.7 ft 8:00AM Apr 12, 2020Forecast: 11.3 ft 2:00PM Apr 12, 2020Forecast: 10.8 ft 8:00PM Apr 12, 2020Forecast: 10.4 ft 2:00AM Apr 13, 2020Forecast: 10.1 ft 8:00AM Apr 13, 2020Forecast: 9.7 ft 2:00PM Apr 13, 2020Forecast: 9.4 ft 8:00PM Apr 13, 2020Jump to USGS siteOTTO1(plotting HGIRG) Graph Created (9:22PM Apr 8, 2020)ObservedForecast (issued 9:01PM Apr 8)Latest observed value: 15.61 ft at 8:30 PM EDT 8-Apr-2020. Flood Stage is 23 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 72 hours into the future from the forecast issuance time.

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

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Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - near Defiance Power Dam
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) 27.55 ft on 07/15/2017
(2) 23.27 ft on 12/30/2015
(3) 25.82 ft on 06/29/2015
(4) 25.88 ft on 06/17/2015
(5) 28.85 ft on 12/23/2013
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) 4.63 ft on 06/29/2012

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

Zoom Level:16
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
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: 41.016944° N, Longitude: 84.046944° W, Horizontal Datum: NAD83/WGS84

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 Not Available Not Available 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 699 ft 722 ft  

Current/Historical Observations:

Additional Information Collapse
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) 7 Day (NAEFS) 7 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

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

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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
Northern Indiana Weather Forecast Office
7506 E 850 N
Syracuse, IN 46567
(574) 834-1104
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Page last modified: 1-Mar-2019 12:35 AM
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