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Hydrograph River at a Glance Download
Shell Rock River (Northeast IA) at Shell Rock Stage (ft)Flow (cfs)Observed: 7.77 ft at 11:00AM Oct 23, 2021Observed: 7.77 ft at 11:15AM Oct 23, 2021Observed: 7.77 ft at 11:30AM Oct 23, 2021Observed: 7.77 ft at 11:45AM Oct 23, 2021Observed: 7.77 ft at 12:00PM Oct 23, 2021Observed: 7.77 ft at 12:15PM Oct 23, 2021Observed: 7.77 ft at 12:30PM Oct 23, 2021Observed: 7.77 ft at 12:45PM Oct 23, 2021Observed: 7.77 ft at 1:00PM Oct 23, 2021Observed: 7.77 ft at 1:15PM Oct 23, 2021Observed: 7.77 ft at 1:30PM Oct 23, 2021Observed: 7.77 ft at 1:45PM Oct 23, 2021Observed: 7.77 ft at 2:00PM Oct 23, 2021Observed: 7.77 ft at 2:15PM Oct 23, 2021Observed: 7.77 ft at 2:30PM Oct 23, 2021Observed: 7.77 ft at 2:45PM Oct 23, 2021Observed: 7.77 ft at 3:00PM Oct 23, 2021Observed: 7.77 ft at 3:15PM Oct 23, 2021Observed: 7.77 ft at 3:30PM Oct 23, 2021Observed: 7.77 ft at 3:45PM Oct 23, 2021Observed: 7.77 ft at 4:00PM Oct 23, 2021Observed: 7.77 ft at 4:15PM Oct 23, 2021Observed: 7.77 ft at 4:30PM Oct 23, 2021Observed: 7.77 ft at 4:45PM Oct 23, 2021Observed: 7.77 ft at 5:00PM Oct 23, 2021Observed: 7.77 ft at 5:15PM Oct 23, 2021Observed: 7.77 ft at 5:30PM Oct 23, 2021Observed: 7.77 ft at 5:45PM Oct 23, 2021Observed: 7.77 ft at 6:00PM Oct 23, 2021Observed: 7.77 ft at 6:15PM Oct 23, 2021Observed: 7.77 ft at 6:30PM Oct 23, 2021Observed: 7.77 ft at 6:45PM Oct 23, 2021Observed: 7.77 ft at 7:00PM Oct 23, 2021Observed: 7.77 ft at 7:15PM Oct 23, 2021Observed: 7.77 ft at 7:30PM Oct 23, 2021Observed: 7.77 ft at 7:45PM Oct 23, 2021Observed: 7.77 ft at 8:00PM Oct 23, 2021Observed: 7.77 ft at 8:15PM Oct 23, 2021Observed: 7.77 ft at 8:30PM Oct 23, 2021Observed: 7.77 ft at 8:45PM Oct 23, 2021Observed: 7.77 ft at 9:00PM Oct 23, 2021Observed: 7.77 ft at 9:15PM Oct 23, 2021Observed: 7.77 ft at 9:30PM Oct 23, 2021Observed: 7.77 ft at 9:45PM Oct 23, 2021Observed: 7.77 ft at 10:00PM Oct 23, 2021Observed: 7.77 ft at 10:15PM Oct 23, 2021Observed: 7.77 ft at 10:30PM Oct 23, 2021Observed: 7.77 ft at 10:45PM Oct 23, 2021Observed: 7.77 ft at 11:00PM Oct 23, 2021Observed: 7.77 ft at 11:15PM Oct 23, 2021Observed: 7.77 ft at 11:30PM Oct 23, 2021Observed: 7.77 ft at 11:45PM Oct 23, 2021Observed: 7.77 ft at 12:00AM Oct 24, 2021Observed: 7.77 ft at 12:15AM Oct 24, 2021Observed: 7.77 ft at 12:30AM Oct 24, 2021Observed: 7.77 ft at 12:45AM Oct 24, 2021Observed: 7.77 ft at 1:00AM Oct 24, 2021Observed: 7.77 ft at 1:15AM Oct 24, 2021Observed: 7.77 ft at 1:30AM Oct 24, 2021Observed: 7.77 ft at 1:45AM Oct 24, 2021Observed: 7.77 ft at 2:00AM Oct 24, 2021Observed: 7.77 ft at 2:15AM Oct 24, 2021Observed: 7.77 ft at 2:30AM Oct 24, 2021Observed: 7.77 ft at 2:45AM Oct 24, 2021Observed: 7.77 ft at 3:00AM Oct 24, 2021Observed: 7.77 ft at 3:15AM Oct 24, 2021Observed: 7.77 ft at 3:30AM Oct 24, 2021Observed: 7.77 ft at 3:45AM Oct 24, 2021Observed: 7.77 ft at 4:00AM Oct 24, 2021Observed: 7.77 ft at 4:15AM Oct 24, 2021Observed: 7.77 ft at 4:30AM Oct 24, 2021Observed: 7.77 ft at 4:45AM Oct 24, 2021Observed: 7.77 ft at 5:00AM Oct 24, 2021Observed: 7.77 ft at 5:15AM Oct 24, 2021Observed: 7.77 ft at 5:30AM Oct 24, 2021Observed: 7.76 ft at 5:45AM Oct 24, 2021Observed: 7.76 ft at 6:00AM Oct 24, 2021Observed: 7.76 ft at 6:15AM Oct 24, 2021Observed: 7.76 ft at 6:30AM Oct 24, 2021Observed: 7.76 ft at 6:45AM Oct 24, 2021Observed: 7.76 ft at 7:00AM Oct 24, 2021Observed: 7.76 ft at 7:15AM Oct 24, 2021Observed: 7.76 ft at 7:30AM Oct 24, 2021Observed: 7.76 ft at 7:45AM Oct 24, 2021Observed: 7.76 ft at 8:00AM Oct 24, 2021Observed: 7.76 ft at 8:15AM Oct 24, 2021Observed: 7.76 ft at 8:30AM Oct 24, 2021Observed: 7.76 ft at 8:45AM Oct 24, 2021Observed: 7.76 ft at 9:00AM Oct 24, 2021Observed: 7.76 ft at 9:15AM Oct 24, 2021Observed: 7.76 ft at 9:30AM Oct 24, 2021Observed: 7.76 ft at 9:45AM Oct 24, 2021Observed: 7.76 ft at 10:00AM Oct 24, 2021Observed: 7.76 ft at 10:15AM Oct 24, 2021Observed: 7.76 ft at 10:30AM Oct 24, 2021Observed: 7.76 ft at 10:45AM Oct 24, 2021Observed: 7.76 ft at 11:00AM Oct 24, 2021Observed: 7.76 ft at 11:15AM Oct 24, 2021Observed: 7.76 ft at 11:30AM Oct 24, 2021Observed: 7.76 ft at 11:45AM Oct 24, 2021Observed: 7.76 ft at 12:00PM Oct 24, 2021Observed: 7.76 ft at 12:15PM Oct 24, 2021Observed: 7.76 ft at 12:30PM Oct 24, 2021Observed: 7.76 ft at 12:45PM Oct 24, 2021Observed: 7.76 ft at 1:00PM Oct 24, 2021Observed: 7.76 ft at 1:15PM Oct 24, 2021Observed: 7.76 ft at 1:30PM Oct 24, 2021Observed: 7.76 ft at 1:45PM Oct 24, 2021Observed: 7.76 ft at 2:00PM Oct 24, 2021Observed: 7.77 ft at 2:15PM Oct 24, 2021Observed: 7.77 ft at 2:30PM Oct 24, 2021Observed: 7.77 ft at 2:45PM Oct 24, 2021Observed: 7.77 ft at 3:00PM Oct 24, 2021Observed: 7.77 ft at 3:15PM Oct 24, 2021Observed: 7.77 ft at 3:30PM Oct 24, 2021Observed: 7.77 ft at 3:45PM Oct 24, 2021Observed: 7.77 ft at 4:00PM Oct 24, 2021Observed: 7.77 ft at 4:15PM Oct 24, 2021Observed: 7.77 ft at 4:30PM Oct 24, 2021Observed: 7.77 ft at 4:45PM Oct 24, 2021Observed: 7.78 ft at 5:00PM Oct 24, 2021Observed: 7.78 ft at 5:15PM Oct 24, 2021Observed: 7.78 ft at 5:30PM Oct 24, 2021Observed: 7.78 ft at 5:45PM Oct 24, 2021Observed: 7.78 ft at 6:00PM Oct 24, 2021Observed: 7.78 ft at 6:15PM Oct 24, 2021Observed: 7.78 ft at 6:30PM Oct 24, 2021Observed: 7.78 ft at 6:45PM Oct 24, 2021Observed: 7.78 ft at 7:00PM Oct 24, 2021Observed: 7.79 ft at 7:15PM Oct 24, 2021Observed: 7.8 ft at 7:30PM Oct 24, 2021Observed: 7.8 ft at 7:45PM Oct 24, 2021Observed: 7.8 ft at 8:00PM Oct 24, 2021Observed: 7.8 ft at 8:15PM Oct 24, 2021Observed: 7.8 ft at 8:30PM Oct 24, 2021Observed: 7.8 ft at 8:45PM Oct 24, 2021Observed: 7.8 ft at 9:00PM Oct 24, 2021Observed: 7.8 ft at 9:15PM Oct 24, 2021Observed: 7.8 ft at 9:30PM Oct 24, 2021Observed: 7.81 ft at 9:45PM Oct 24, 2021Observed: 7.81 ft at 10:00PM Oct 24, 2021Observed: 7.81 ft at 10:15PM Oct 24, 2021Observed: 7.82 ft at 10:30PM Oct 24, 2021Observed: 7.82 ft at 10:45PM Oct 24, 2021Observed: 7.82 ft at 11:00PM Oct 24, 2021Observed: 7.83 ft at 11:15PM Oct 24, 2021Observed: 7.83 ft at 11:30PM Oct 24, 2021Observed: 7.83 ft at 11:45PM Oct 24, 2021Observed: 7.83 ft at 12:00AM Oct 25, 2021Observed: 7.83 ft at 12:15AM Oct 25, 2021Observed: 7.84 ft at 12:30AM Oct 25, 2021Observed: 7.84 ft at 12:45AM Oct 25, 2021Observed: 7.84 ft at 1:00AM Oct 25, 2021Observed: 7.84 ft at 1:15AM Oct 25, 2021Observed: 7.84 ft at 1:30AM Oct 25, 2021Observed: 7.84 ft at 1:45AM Oct 25, 2021Observed: 7.84 ft at 2:00AM Oct 25, 2021Observed: 7.84 ft at 2:15AM Oct 25, 2021Observed: 7.84 ft at 2:30AM Oct 25, 2021Observed: 7.84 ft at 2:45AM Oct 25, 2021Observed: 7.84 ft at 3:00AM Oct 25, 2021Observed: 7.84 ft at 3:15AM Oct 25, 2021Observed: 7.84 ft at 3:30AM Oct 25, 2021Observed: 7.84 ft at 3:45AM Oct 25, 2021Observed: 7.84 ft at 4:00AM Oct 25, 2021Observed: 7.84 ft at 4:15AM Oct 25, 2021Observed: 7.84 ft at 4:30AM Oct 25, 2021Observed: 7.84 ft at 4:45AM Oct 25, 2021Observed: 7.84 ft at 5:00AM Oct 25, 2021Observed: 7.84 ft at 5:15AM Oct 25, 2021Observed: 7.84 ft at 5:30AM Oct 25, 2021Observed: 7.84 ft at 5:45AM Oct 25, 2021Observed: 7.84 ft at 6:00AM Oct 25, 2021Observed: 7.84 ft at 6:15AM Oct 25, 2021Observed: 7.84 ft at 6:30AM Oct 25, 2021Observed: 7.84 ft at 6:45AM Oct 25, 2021Observed: 7.84 ft at 7:00AM Oct 25, 2021Observed: 7.85 ft at 7:15AM Oct 25, 2021Observed: 7.85 ft at 7:30AM Oct 25, 2021Observed: 7.85 ft at 7:45AM Oct 25, 2021Observed: 7.85 ft at 8:00AM Oct 25, 2021Observed: 7.85 ft at 8:15AM Oct 25, 2021Observed: 7.85 ft at 8:30AM Oct 25, 2021Observed: 7.85 ft at 8:45AM Oct 25, 2021Highest Observation: 7.86 ft at 9:00AM Oct 25, 2021Highest Observation: 7.86 ft at 9:15AM Oct 25, 2021Highest Observation: 7.86 ft at 9:30AM Oct 25, 2021Highest Observation: 7.86 ft at 9:45AM Oct 25, 2021Highest Observation: 7.86 ft at 10:00AM Oct 25, 2021Highest Observation: 7.86 ft at 10:15AM Oct 25, 2021Highest Observation: 7.86 ft at 10:30AM Oct 25, 2021Highest Observation: 7.86 ft at 10:45AM Oct 25, 2021Highest Observation: 7.86 ft at 11:00AM Oct 25, 2021Highest Observation: 7.86 ft at 11:15AM Oct 25, 2021Highest Observation: 7.86 ft at 11:30AM Oct 25, 2021Highest Observation: 7.86 ft at 11:45AM Oct 25, 2021Highest Observation: 7.86 ft at 12:00PM Oct 25, 2021Highest Observation: 7.86 ft at 12:15PM Oct 25, 2021Highest Observation: 7.86 ft at 12:30PM Oct 25, 2021Highest Observation: 7.86 ft at 12:45PM Oct 25, 2021Highest Observation: 7.86 ft at 1:00PM Oct 25, 2021Highest Observation: 7.86 ft at 1:15PM Oct 25, 2021Highest Observation: 7.86 ft at 1:30PM Oct 25, 2021Highest Observation: 7.86 ft at 1:45PM Oct 25, 2021Highest Observation: 7.86 ft at 2:00PM Oct 25, 2021Highest Observation: 7.86 ft at 2:15PM Oct 25, 2021Highest Observation: 7.86 ft at 2:30PM Oct 25, 2021Highest Observation: 7.86 ft at 2:45PM Oct 25, 2021Highest Observation: 7.86 ft at 3:00PM Oct 25, 2021Highest Observation: 7.86 ft at 3:15PM Oct 25, 2021Highest Observation: 7.86 ft at 3:30PM Oct 25, 2021Observed: 7.85 ft at 3:45PM Oct 25, 2021Observed: 7.85 ft at 4:00PM Oct 25, 2021Observed: 7.85 ft at 4:15PM Oct 25, 2021Observed: 7.85 ft at 4:30PM Oct 25, 2021Observed: 7.85 ft at 4:45PM Oct 25, 2021Observed: 7.85 ft at 5:00PM Oct 25, 2021Observed: 7.85 ft at 5:15PM Oct 25, 2021Observed: 7.85 ft at 5:30PM Oct 25, 2021Observed: 7.84 ft at 5:45PM Oct 25, 2021Observed: 7.84 ft at 6:00PM Oct 25, 2021Observed: 7.84 ft at 6:15PM Oct 25, 2021Observed: 7.84 ft at 6:30PM Oct 25, 2021Observed: 7.84 ft at 6:45PM Oct 25, 2021Observed: 7.84 ft at 7:00PM Oct 25, 2021Observed: 7.84 ft at 7:15PM Oct 25, 2021Observed: 7.84 ft at 7:30PM Oct 25, 2021Observed: 7.83 ft at 7:45PM Oct 25, 2021Observed: 7.83 ft at 8:00PM Oct 25, 2021Observed: 7.83 ft at 8:15PM Oct 25, 2021Observed: 7.83 ft at 8:30PM Oct 25, 2021Observed: 7.83 ft at 8:45PM Oct 25, 2021Observed: 7.83 ft at 9:00PM Oct 25, 2021Observed: 7.83 ft at 9:15PM Oct 25, 2021Observed: 7.83 ft at 9:30PM Oct 25, 2021Observed: 7.83 ft at 9:45PM Oct 25, 2021Observed: 7.82 ft at 10:00PM Oct 25, 2021Observed: 7.82 ft at 10:15PM Oct 25, 2021Observed: 7.82 ft at 10:30PM Oct 25, 2021Observed: 7.82 ft at 10:45PM Oct 25, 2021Observed: 7.82 ft at 11:00PM Oct 25, 2021Observed: 7.82 ft at 11:15PM Oct 25, 2021Observed: 7.82 ft at 11:30PM Oct 25, 2021Observed: 7.82 ft at 11:45PM Oct 25, 2021Observed: 7.82 ft at 12:00AM Oct 26, 2021Observed: 7.82 ft at 12:15AM Oct 26, 2021Observed: 7.82 ft at 12:30AM Oct 26, 2021Observed: 7.82 ft at 12:45AM Oct 26, 2021Observed: 7.82 ft at 1:00AM Oct 26, 2021Observed: 7.82 ft at 1:15AM Oct 26, 2021Observed: 7.82 ft at 1:30AM Oct 26, 2021Observed: 7.82 ft at 1:45AM Oct 26, 2021Observed: 7.82 ft at 2:00AM Oct 26, 2021Observed: 7.82 ft at 2:15AM Oct 26, 2021Observed: 7.82 ft at 2:30AM Oct 26, 2021Observed: 7.82 ft at 2:45AM Oct 26, 2021Observed: 7.82 ft at 3:00AM Oct 26, 2021Observed: 7.82 ft at 3:15AM Oct 26, 2021Observed: 7.82 ft at 3:30AM Oct 26, 2021Observed: 7.82 ft at 3:45AM Oct 26, 2021Observed: 7.82 ft at 4:00AM Oct 26, 2021Observed: 7.82 ft at 4:15AM Oct 26, 2021Observed: 7.82 ft at 4:30AM Oct 26, 2021Observed: 7.82 ft at 4:45AM Oct 26, 2021Observed: 7.82 ft at 5:00AM Oct 26, 2021Observed: 7.82 ft at 5:15AM Oct 26, 2021Observed: 7.82 ft at 5:30AM Oct 26, 2021Observed: 7.82 ft at 5:45AM Oct 26, 2021Observed: 7.82 ft at 6:00AM Oct 26, 2021Observed: 7.82 ft at 6:15AM Oct 26, 2021Observed: 7.82 ft at 6:30AM Oct 26, 2021Observed: 7.82 ft at 6:45AM Oct 26, 2021Observed: 7.82 ft at 7:00AM Oct 26, 2021Observed: 7.82 ft at 7:15AM Oct 26, 2021Observed: 7.82 ft at 7:30AM Oct 26, 2021Observed: 7.82 ft at 7:45AM Oct 26, 2021Observed: 7.82 ft at 8:00AM Oct 26, 2021Observed: 7.82 ft at 8:15AM Oct 26, 2021Observed: 7.82 ft at 8:30AM Oct 26, 2021Observed: 7.82 ft at 8:45AM Oct 26, 2021Observed: 7.82 ft at 9:00AM Oct 26, 2021Observed: 7.82 ft at 9:15AM Oct 26, 2021Observed: 7.82 ft at 9:30AM Oct 26, 2021Observed: 7.82 ft at 9:45AM Oct 26, 2021Observed: 7.82 ft at 10:00AM Oct 26, 2021Observed: 7.82 ft at 10:15AM Oct 26, 2021Observed: 7.82 ft at 10:30AM Oct 26, 2021Observed: 7.82 ft at 10:45AM Oct 26, 2021Observed: 7.82 ft at 11:00AM Oct 26, 2021Observed: 7.82 ft at 11:15AM Oct 26, 2021Observed: 7.82 ft at 11:30AM Oct 26, 2021Observed: 7.82 ft at 11:45AM Oct 26, 2021Observed: 7.82 ft at 12:00PM Oct 26, 2021Observed: 7.82 ft at 12:15PM Oct 26, 2021Observed: 7.82 ft at 12:30PM Oct 26, 2021Observed: 7.82 ft at 12:45PM Oct 26, 2021Observed: 7.82 ft at 1:00PM Oct 26, 2021Observed: 7.82 ft at 1:15PM Oct 26, 2021Observed: 7.82 ft at 1:30PM Oct 26, 2021Observed: 7.82 ft at 1:45PM Oct 26, 2021Observed: 7.82 ft at 2:00PM Oct 26, 2021Observed: 7.82 ft at 2:15PM Oct 26, 2021Observed: 7.82 ft at 2:30PM Oct 26, 2021Observed: 7.82 ft at 2:45PM Oct 26, 2021Observed: 7.82 ft at 3:00PM Oct 26, 2021Observed: 7.82 ft at 3:15PM Oct 26, 2021Observed: 7.82 ft at 3:30PM Oct 26, 2021Observed: 7.82 ft at 3:45PM Oct 26, 2021Observed: 7.82 ft at 4:00PM Oct 26, 2021Observed: 7.82 ft at 4:15PM Oct 26, 2021Observed: 7.82 ft at 4:30PM Oct 26, 2021Observed: 7.82 ft at 4:45PM Oct 26, 2021Observed: 7.82 ft at 5:00PM Oct 26, 2021Observed: 7.82 ft at 5:15PM Oct 26, 2021Observed: 7.82 ft at 5:30PM Oct 26, 2021Observed: 7.82 ft at 5:45PM Oct 26, 2021Observed: 7.82 ft at 6:00PM Oct 26, 2021Observed: 7.82 ft at 6:15PM Oct 26, 2021Observed: 7.82 ft at 6:30PM Oct 26, 2021Observed: 7.82 ft at 6:45PM Oct 26, 2021Observed: 7.82 ft at 7:00PM Oct 26, 2021Observed: 7.82 ft at 7:15PM Oct 26, 2021Observed: 7.82 ft at 7:30PM Oct 26, 2021Observed: 7.82 ft at 7:45PM Oct 26, 2021Observed: 7.82 ft at 8:00PM Oct 26, 2021Observed: 7.81 ft at 8:15PM Oct 26, 2021Observed: 7.81 ft at 8:30PM Oct 26, 2021Observed: 7.81 ft at 8:45PM Oct 26, 2021Observed: 7.81 ft at 9:00PM Oct 26, 2021Observed: 7.81 ft at 9:15PM Oct 26, 2021Observed: 7.81 ft at 9:30PM Oct 26, 2021Observed: 7.81 ft at 9:45PM Oct 26, 2021Observed: 7.8 ft at 10:00PM Oct 26, 2021Observed: 7.8 ft at 10:15PM Oct 26, 2021Observed: 7.8 ft at 10:30PM Oct 26, 2021Observed: 7.8 ft at 10:45PM Oct 26, 2021Observed: 7.8 ft at 11:00PM Oct 26, 2021Observed: 7.8 ft at 11:15PM Oct 26, 2021Observed: 7.8 ft at 11:30PM Oct 26, 2021Observed: 7.8 ft at 11:45PM Oct 26, 2021Observed: 7.8 ft at 12:00AM Oct 27, 2021Observed: 7.8 ft at 12:15AM Oct 27, 2021Observed: 7.8 ft at 12:30AM Oct 27, 2021Observed: 7.8 ft at 12:45AM Oct 27, 2021Observed: 7.8 ft at 1:00AM Oct 27, 2021Observed: 7.8 ft at 1:15AM Oct 27, 2021Observed: 7.8 ft at 1:30AM Oct 27, 2021Observed: 7.8 ft at 1:45AM Oct 27, 2021Observed: 7.8 ft at 2:00AM Oct 27, 2021Observed: 7.8 ft at 2:15AM Oct 27, 2021Observed: 7.8 ft at 2:30AM Oct 27, 2021Observed: 7.8 ft at 2:45AM Oct 27, 2021Observed: 7.8 ft at 3:00AM Oct 27, 2021Observed: 7.8 ft at 3:15AM Oct 27, 2021Observed: 7.8 ft at 3:30AM Oct 27, 2021Observed: 7.8 ft at 3:45AM Oct 27, 2021Observed: 7.8 ft at 4:00AM Oct 27, 2021Observed: 7.8 ft at 4:15AM Oct 27, 2021Observed: 7.8 ft at 4:30AM Oct 27, 2021Observed: 7.8 ft at 4:45AM Oct 27, 2021Observed: 7.8 ft at 5:00AM Oct 27, 2021Observed: 7.8 ft at 5:15AM Oct 27, 2021Observed: 7.8 ft at 5:30AM Oct 27, 2021Observed: 7.8 ft at 5:45AM Oct 27, 2021Observed: 7.8 ft at 6:00AM Oct 27, 2021Observed: 7.8 ft at 6:15AM Oct 27, 2021Observed: 7.8 ft at 6:30AM Oct 27, 2021Observed: 7.8 ft at 6:45AM Oct 27, 2021Observed: 7.8 ft at 7:00AM Oct 27, 2021Observed: 7.8 ft at 7:15AM Oct 27, 2021Observed: 7.8 ft at 7:30AM Oct 27, 2021Observed: 7.8 ft at 7:45AM Oct 27, 2021Observed: 7.8 ft at 8:00AM Oct 27, 2021Observed: 7.8 ft at 8:15AM Oct 27, 2021Observed: 7.8 ft at 8:30AM Oct 27, 2021Observed: 7.8 ft at 8:45AM Oct 27, 2021Observed: 7.8 ft at 9:00AM Oct 27, 2021Observed: 7.8 ft at 9:15AM Oct 27, 2021Observed: 7.8 ft at 9:30AM Oct 27, 2021Observed: 7.8 ft at 9:45AM Oct 27, 2021Observed: 7.8 ft at 10:00AM Oct 27, 2021Observed: 7.8 ft at 10:15AM Oct 27, 2021Observed: 7.8 ft at 10:30AM Oct 27, 2021Observed: 7.8 ft at 10:45AM Oct 27, 2021Observed: 7.8 ft at 11:00AM Oct 27, 2021Observed: 7.8 ft at 11:15AM Oct 27, 2021Observed: 7.8 ft at 11:30AM Oct 27, 2021Observed: 7.8 ft at 11:45AM Oct 27, 2021Observed: 7.8 ft at 12:00PM Oct 27, 2021Observed: 7.8 ft at 12:15PM Oct 27, 2021Observed: 7.8 ft at 12:30PM Oct 27, 2021Observed: 7.8 ft at 12:45PM Oct 27, 2021Observed: 7.8 ft at 1:00PM Oct 27, 2021Observed: 7.8 ft at 1:15PM Oct 27, 2021Observed: 7.8 ft at 1:30PM Oct 27, 2021Observed: 7.8 ft at 1:45PM Oct 27, 2021Observed: 7.8 ft at 2:00PM Oct 27, 2021Observed: 7.8 ft at 2:15PM Oct 27, 2021Observed: 7.8 ft at 2:30PM Oct 27, 2021Observed: 7.8 ft at 2:45PM Oct 27, 2021Observed: 7.8 ft at 3:00PM Oct 27, 2021Observed: 7.8 ft at 3:15PM Oct 27, 2021Observed: 7.8 ft at 3:30PM Oct 27, 2021Observed: 7.8 ft at 3:45PM Oct 27, 2021Observed: 7.8 ft at 4:00PM Oct 27, 2021Observed: 7.8 ft at 4:15PM Oct 27, 2021Observed: 7.8 ft at 4:30PM Oct 27, 2021Observed: 7.8 ft at 4:45PM Oct 27, 2021Observed: 7.8 ft at 5:00PM Oct 27, 2021Observed: 7.8 ft at 5:15PM Oct 27, 2021Observed: 7.8 ft at 5:30PM Oct 27, 2021Observed: 7.8 ft at 5:45PM Oct 27, 2021Observed: 7.8 ft at 6:00PM Oct 27, 2021Observed: 7.8 ft at 6:15PM Oct 27, 2021Observed: 7.8 ft at 6:30PM Oct 27, 2021Observed: 7.8 ft at 6:45PM Oct 27, 2021Observed: 7.8 ft at 7:00PM Oct 27, 2021Observed: 7.8 ft at 7:15PM Oct 27, 2021Observed: 7.8 ft at 7:30PM Oct 27, 2021Observed: 7.8 ft at 7:45PM Oct 27, 2021Observed: 7.8 ft at 8:00PM Oct 27, 2021Observed: 7.8 ft at 8:15PM Oct 27, 2021Observed: 7.8 ft at 8:30PM Oct 27, 2021Observed: 7.8 ft at 8:45PM Oct 27, 2021Observed: 7.8 ft at 9:00PM Oct 27, 2021Observed: 7.8 ft at 9:15PM Oct 27, 2021Observed: 7.8 ft at 9:30PM Oct 27, 2021Observed: 7.8 ft at 9:45PM Oct 27, 2021Observed: 7.8 ft at 10:00PM Oct 27, 2021Observed: 7.8 ft at 10:15PM Oct 27, 2021Observed: 7.8 ft at 10:30PM Oct 27, 2021Observed: 7.8 ft at 10:45PM Oct 27, 2021Observed: 7.8 ft at 11:00PM Oct 27, 2021Observed: 7.8 ft at 11:15PM Oct 27, 2021Observed: 7.8 ft at 11:30PM Oct 27, 2021Observed: 7.8 ft at 11:45PM Oct 27, 2021Observed: 7.8 ft at 12:00AM Oct 28, 2021Observed: 7.8 ft at 12:15AM Oct 28, 2021Observed: 7.8 ft at 12:30AM Oct 28, 2021Observed: 7.8 ft at 12:45AM Oct 28, 2021Observed: 7.8 ft at 1:00AM Oct 28, 2021Observed: 7.8 ft at 1:15AM Oct 28, 2021Observed: 7.8 ft at 1:30AM Oct 28, 2021Observed: 7.8 ft at 1:45AM Oct 28, 2021Observed: 7.8 ft at 2:00AM Oct 28, 2021Observed: 7.81 ft at 2:15AM Oct 28, 2021Observed: 7.81 ft at 2:30AM Oct 28, 2021Observed: 7.81 ft at 2:45AM Oct 28, 2021Observed: 7.81 ft at 3:00AM Oct 28, 2021Observed: 7.81 ft at 3:15AM Oct 28, 2021Observed: 7.81 ft at 3:30AM Oct 28, 2021Observed: 7.81 ft at 3:45AM Oct 28, 2021Observed: 7.81 ft at 4:00AM Oct 28, 2021Observed: 7.81 ft at 4:15AM Oct 28, 2021Observed: 7.81 ft at 4:30AM Oct 28, 2021Observed: 7.81 ft at 4:45AM Oct 28, 2021Observed: 7.81 ft at 5:00AM Oct 28, 2021Observed: 7.82 ft at 5:15AM Oct 28, 2021Observed: 7.82 ft at 5:30AM Oct 28, 2021Observed: 7.82 ft at 5:45AM Oct 28, 2021Observed: 7.82 ft at 6:00AM Oct 28, 2021Observed: 7.82 ft at 6:15AM Oct 28, 2021Observed: 7.82 ft at 6:30AM Oct 28, 2021Observed: 7.82 ft at 6:45AM Oct 28, 2021Observed: 7.82 ft at 7:00AM Oct 28, 2021Observed: 7.82 ft at 7:15AM Oct 28, 2021Observed: 7.82 ft at 7:30AM Oct 28, 2021Observed: 7.82 ft at 7:45AM Oct 28, 2021Observed: 7.82 ft at 8:00AM Oct 28, 2021Observed: 7.82 ft at 8:15AM Oct 28, 2021Observed: 7.82 ft at 8:30AM Oct 28, 2021Observed: 7.82 ft at 8:45AM Oct 28, 2021Observed: 7.82 ft at 9:00AM Oct 28, 2021Observed: 7.82 ft at 9:15AM Oct 28, 2021Observed: 7.82 ft at 9:30AM Oct 28, 2021Observed: 7.82 ft at 9:45AM Oct 28, 2021USGS--Water Resources of the United StatesSHRI4(plotting HGIRG) Graph Created (10:48AM Oct 28, 2021)ObservedLatest observed value: 7.82 ft at 9:45 AM CDT 28-Oct-2021. Flood Stage is 13.5 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Shell Rock River (Northeast IA) at Shell Rock are issued as needed during times of high water, but are not routinely available.
Return to Area Map
Upstream Gauge - at IFC--Marble Rock 290th St Upstream Gauge Downstream Gauge Downstream Gauge - at Cedar Falls
Flood Categories (in feet)
Major Flood Stage: 20
Moderate Flood Stage: 18
Flood Stage: 13.5
Action Stage: 11
Low Stage (in feet): -9999

Historic Crests
(1) 21.40 ft on 09/23/2016
(2) 20.36 ft on 06/10/2008
(3) 17.70 ft on 01/01/1856
(4) 16.73 ft on 07/22/1999
(5) 16.26 ft on 03/28/1961
(6) 15.87 ft on 05/23/2004
(7) 15.49 ft on 06/30/1969
(8) 15.45 ft on 06/11/2018
(9) 15.21 ft on 04/01/1993
(10) 15.09 ft on 04/07/1965
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 14.48 ft on 03/16/2019
(2) 15.45 ft on 06/11/2018
(3) 12.01 ft on 10/01/2016
(4) 21.40 ft on 09/23/2016
(5) 12.32 ft on 09/18/2016
(6) 12.22 ft on 09/11/2016
(7) 12.94 ft on 08/26/2016
(8) 11.90 ft on 07/19/2016
(9) 11.01 ft on 06/23/2016
(10) 12.24 ft on 06/16/2016
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:14
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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
If you notice any errors in the below information, please contact our Webmaster
21 The approach to the Cherry Street bridge floods.
20 Many residences flood.
18 Water nears the top of an arch beneath the Cherry Street bridge.
14 Flooding occurs in Shell Rock primarily in residential yards.
13.5 East Washington street is closed.
13 Part of South Lake Street is closed.
12.5 Seepage occurs in several basements close to the river.
12 Water affects South Prairie Street.
About This Location Collapse

Latitude: 42.711925° N, Longitude: 92.582966° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 13.5 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 29 885.34 ft 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
  • USGS 7-Day Streamflow Duration Hydrograph for this location:
    Duration Hydrograph

    Duration Hydrograph Legend


  • USGS Cumulative Streamflow Hydrograph for this location:
    Duration Hydrograph of Cumulative Streamflow
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Hydrologic Resources Additional Resources
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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
Des Moines Weather Forecast Office
9607 NW Beaver Dr.
Des Moines, IA 50131
(515) 270-2614
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