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Hydrograph River at a Glance Download
Susquehanna River at Conowingo Dam Stage (ft)Flow (kcfs)Observed: 9.51 ft at 6:00PM Aug 08, 2022Observed: 9.51 ft at 6:15PM Aug 08, 2022Observed: 9.54 ft at 6:30PM Aug 08, 2022Observed: 9.52 ft at 6:45PM Aug 08, 2022Observed: 9.51 ft at 7:00PM Aug 08, 2022Observed: 9.71 ft at 7:15PM Aug 08, 2022Observed: 10.28 ft at 7:30PM Aug 08, 2022Observed: 10.65 ft at 7:45PM Aug 08, 2022Observed: 10.75 ft at 8:00PM Aug 08, 2022Observed: 10.26 ft at 8:15PM Aug 08, 2022Observed: 9.84 ft at 8:30PM Aug 08, 2022Observed: 9.66 ft at 8:45PM Aug 08, 2022Observed: 9.59 ft at 9:00PM Aug 08, 2022Observed: 9.56 ft at 9:15PM Aug 08, 2022Observed: 9.55 ft at 9:30PM Aug 08, 2022Observed: 9.53 ft at 9:45PM Aug 08, 2022Observed: 9.52 ft at 10:00PM Aug 08, 2022Observed: 9.52 ft at 10:15PM Aug 08, 2022Observed: 9.52 ft at 10:16PM Aug 08, 2022Observed: 9.52 ft at 10:30PM Aug 08, 2022Observed: 9.51 ft at 10:45PM Aug 08, 2022Observed: 9.51 ft at 11:00PM Aug 08, 2022Observed: 9.51 ft at 11:15PM Aug 08, 2022Observed: 9.51 ft at 11:30PM Aug 08, 2022Observed: 9.51 ft at 11:45PM Aug 08, 2022Observed: 9.51 ft at 12:00AM Aug 09, 2022Observed: 9.51 ft at 12:15AM Aug 09, 2022Observed: 9.51 ft at 12:30AM Aug 09, 2022Observed: 9.51 ft at 12:45AM Aug 09, 2022Observed: 9.51 ft at 1:00AM Aug 09, 2022Observed: 9.51 ft at 1:15AM Aug 09, 2022Observed: 9.51 ft at 1:30AM Aug 09, 2022Observed: 9.51 ft at 1:45AM Aug 09, 2022Observed: 9.51 ft at 2:00AM Aug 09, 2022Observed: 9.51 ft at 2:15AM Aug 09, 2022Observed: 9.51 ft at 2:30AM Aug 09, 2022Observed: 9.5 ft at 2:45AM Aug 09, 2022Observed: 9.51 ft at 3:00AM Aug 09, 2022Observed: 9.5 ft at 3:15AM Aug 09, 2022Observed: 9.5 ft at 3:30AM Aug 09, 2022Observed: 9.5 ft at 3:45AM Aug 09, 2022Observed: 9.5 ft at 4:00AM Aug 09, 2022Observed: 9.5 ft at 4:15AM Aug 09, 2022Observed: 9.5 ft at 4:30AM Aug 09, 2022Observed: 9.5 ft at 4:45AM Aug 09, 2022Observed: 9.5 ft at 5:00AM Aug 09, 2022Observed: 9.5 ft at 5:15AM Aug 09, 2022Observed: 9.5 ft at 5:30AM Aug 09, 2022Observed: 9.5 ft at 5:45AM Aug 09, 2022Observed: 9.5 ft at 6:00AM Aug 09, 2022Observed: 9.5 ft at 6:15AM Aug 09, 2022Observed: 9.5 ft at 6:16AM Aug 09, 2022Observed: 9.49 ft at 6:30AM Aug 09, 2022Observed: 9.49 ft at 6:45AM Aug 09, 2022Observed: 9.49 ft at 7:00AM Aug 09, 2022Observed: 9.49 ft at 7:15AM Aug 09, 2022Observed: 9.49 ft at 7:30AM Aug 09, 2022Observed: 9.49 ft at 7:45AM Aug 09, 2022Observed: 9.49 ft at 8:00AM Aug 09, 2022Observed: 9.49 ft at 8:15AM Aug 09, 2022Observed: 9.49 ft at 8:30AM Aug 09, 2022Observed: 9.49 ft at 8:45AM Aug 09, 2022Observed: 9.49 ft at 9:00AM Aug 09, 2022Observed: 9.49 ft at 9:15AM Aug 09, 2022Observed: 9.49 ft at 9:30AM Aug 09, 2022Observed: 9.49 ft at 9:45AM Aug 09, 2022Observed: 9.49 ft at 10:00AM Aug 09, 2022Observed: 9.49 ft at 10:15AM Aug 09, 2022Observed: 9.48 ft at 10:30AM Aug 09, 2022Observed: 9.48 ft at 10:45AM Aug 09, 2022Observed: 9.48 ft at 11:00AM Aug 09, 2022Observed: 9.82 ft at 11:15AM Aug 09, 2022Observed: 10.39 ft at 11:30AM Aug 09, 2022Observed: 10.67 ft at 11:45AM Aug 09, 2022Observed: 10.73 ft at 12:00PM Aug 09, 2022Observed: 10.76 ft at 12:15PM Aug 09, 2022Observed: 10.79 ft at 12:30PM Aug 09, 2022Observed: 10.81 ft at 12:45PM Aug 09, 2022Observed: 10.81 ft at 1:00PM Aug 09, 2022Observed: 10.81 ft at 1:15PM Aug 09, 2022Observed: 10.82 ft at 1:30PM Aug 09, 2022Observed: 10.82 ft at 1:45PM Aug 09, 2022Observed: 10.82 ft at 2:00PM Aug 09, 2022Observed: 10.82 ft at 2:15PM Aug 09, 2022Observed: 10.82 ft at 2:16PM Aug 09, 2022Observed: 10.82 ft at 2:30PM Aug 09, 2022Observed: 10.82 ft at 2:45PM Aug 09, 2022Observed: 10.82 ft at 3:00PM Aug 09, 2022Observed: 10.6 ft at 3:15PM Aug 09, 2022Observed: 10.66 ft at 3:30PM Aug 09, 2022Observed: 10.67 ft at 3:45PM Aug 09, 2022Observed: 10.69 ft at 4:00PM Aug 09, 2022Observed: 10.76 ft at 4:15PM Aug 09, 2022Observed: 10.8 ft at 4:30PM Aug 09, 2022Observed: 10.82 ft at 4:45PM Aug 09, 2022Observed: 10.83 ft at 5:00PM Aug 09, 2022Observed: 10.83 ft at 5:15PM Aug 09, 2022Observed: 10.83 ft at 5:30PM Aug 09, 2022Observed: 10.83 ft at 5:45PM Aug 09, 2022Observed: 10.83 ft at 6:00PM Aug 09, 2022Observed: 10.83 ft at 6:15PM Aug 09, 2022Observed: 10.42 ft at 6:30PM Aug 09, 2022Observed: 9.95 ft at 6:45PM Aug 09, 2022Observed: 9.7 ft at 7:00PM Aug 09, 2022Observed: 9.61 ft at 7:15PM Aug 09, 2022Observed: 9.66 ft at 7:30PM Aug 09, 2022Observed: 9.56 ft at 7:45PM Aug 09, 2022Observed: 9.96 ft at 8:00PM Aug 09, 2022Observed: 9.76 ft at 8:15PM Aug 09, 2022Observed: 9.61 ft at 8:30PM Aug 09, 2022Observed: 9.56 ft at 8:45PM Aug 09, 2022Observed: 9.54 ft at 9:00PM Aug 09, 2022Observed: 9.52 ft at 9:15PM Aug 09, 2022Observed: 9.51 ft at 9:30PM Aug 09, 2022Observed: 9.51 ft at 9:45PM Aug 09, 2022Observed: 9.51 ft at 10:00PM Aug 09, 2022Observed: 9.51 ft at 10:15PM Aug 09, 2022Observed: 9.51 ft at 10:30PM Aug 09, 2022Observed: 9.51 ft at 10:45PM Aug 09, 2022Observed: 9.51 ft at 11:00PM Aug 09, 2022Observed: 9.51 ft at 11:15PM Aug 09, 2022Observed: 9.51 ft at 11:30PM Aug 09, 2022Observed: 9.51 ft at 11:45PM Aug 09, 2022Observed: 9.51 ft at 12:00AM Aug 10, 2022Observed: 9.5 ft at 12:15AM Aug 10, 2022Observed: 9.51 ft at 12:30AM Aug 10, 2022Observed: 9.5 ft at 12:45AM Aug 10, 2022Observed: 9.5 ft at 1:00AM Aug 10, 2022Observed: 9.5 ft at 1:15AM Aug 10, 2022Observed: 9.5 ft at 1:30AM Aug 10, 2022Observed: 9.5 ft at 1:45AM Aug 10, 2022Observed: 9.5 ft at 2:00AM Aug 10, 2022Observed: 9.5 ft at 2:15AM Aug 10, 2022Observed: 9.5 ft at 2:30AM Aug 10, 2022Observed: 9.5 ft at 2:45AM Aug 10, 2022Observed: 9.5 ft at 3:00AM Aug 10, 2022Observed: 9.5 ft at 3:15AM Aug 10, 2022Observed: 9.5 ft at 3:30AM Aug 10, 2022Observed: 9.5 ft at 3:45AM Aug 10, 2022Observed: 9.5 ft at 4:00AM Aug 10, 2022Observed: 9.5 ft at 4:15AM Aug 10, 2022Observed: 9.5 ft at 4:30AM Aug 10, 2022Observed: 9.49 ft at 4:45AM Aug 10, 2022Observed: 9.49 ft at 5:00AM Aug 10, 2022Observed: 9.49 ft at 5:15AM Aug 10, 2022Observed: 9.49 ft at 5:30AM Aug 10, 2022Observed: 9.49 ft at 5:45AM Aug 10, 2022Observed: 9.49 ft at 6:00AM Aug 10, 2022Observed: 9.49 ft at 6:15AM Aug 10, 2022Observed: 9.49 ft at 6:16AM Aug 10, 2022Observed: 9.49 ft at 6:30AM Aug 10, 2022Observed: 9.49 ft at 6:45AM Aug 10, 2022Observed: 9.49 ft at 7:00AM Aug 10, 2022Observed: 9.49 ft at 7:15AM Aug 10, 2022Observed: 9.49 ft at 7:30AM Aug 10, 2022Observed: 9.49 ft at 7:45AM Aug 10, 2022Observed: 9.48 ft at 8:00AM Aug 10, 2022Observed: 9.48 ft at 8:15AM Aug 10, 2022Observed: 9.48 ft at 8:30AM Aug 10, 2022Observed: 9.48 ft at 8:45AM Aug 10, 2022Observed: 9.48 ft at 9:00AM Aug 10, 2022Observed: 9.48 ft at 9:15AM Aug 10, 2022Observed: 9.48 ft at 9:30AM Aug 10, 2022Observed: 9.48 ft at 9:45AM Aug 10, 2022Observed: 9.48 ft at 10:00AM Aug 10, 2022Observed: 9.48 ft at 10:15AM Aug 10, 2022Observed: 9.48 ft at 10:30AM Aug 10, 2022Observed: 9.48 ft at 10:45AM Aug 10, 2022Observed: 9.48 ft at 11:00AM Aug 10, 2022Observed: 9.48 ft at 11:15AM Aug 10, 2022Observed: 9.48 ft at 11:30AM Aug 10, 2022Observed: 9.48 ft at 11:45AM Aug 10, 2022Observed: 9.48 ft at 12:00PM Aug 10, 2022Observed: 9.48 ft at 12:15PM Aug 10, 2022Observed: 9.48 ft at 12:30PM Aug 10, 2022Observed: 9.48 ft at 12:45PM Aug 10, 2022Observed: 9.48 ft at 1:00PM Aug 10, 2022Observed: 9.48 ft at 1:15PM Aug 10, 2022Observed: 9.48 ft at 1:30PM Aug 10, 2022Observed: 9.48 ft at 1:45PM Aug 10, 2022Observed: 9.48 ft at 2:00PM Aug 10, 2022Observed: 9.48 ft at 2:15PM Aug 10, 2022Observed: 9.48 ft at 2:16PM Aug 10, 2022Observed: 9.48 ft at 2:30PM Aug 10, 2022Observed: 9.48 ft at 2:45PM Aug 10, 2022Observed: 9.48 ft at 3:00PM Aug 10, 2022Observed: 9.48 ft at 3:15PM Aug 10, 2022Observed: 9.48 ft at 3:30PM Aug 10, 2022Observed: 9.48 ft at 3:45PM Aug 10, 2022Observed: 9.48 ft at 4:00PM Aug 10, 2022Observed: 9.48 ft at 4:15PM Aug 10, 2022Observed: 9.48 ft at 4:30PM Aug 10, 2022Observed: 9.49 ft at 4:45PM Aug 10, 2022Observed: 9.49 ft at 5:00PM Aug 10, 2022Observed: 9.49 ft at 5:15PM Aug 10, 2022Observed: 9.49 ft at 5:30PM Aug 10, 2022Observed: 9.49 ft at 5:45PM Aug 10, 2022Observed: 9.49 ft at 6:00PM Aug 10, 2022Observed: 9.49 ft at 6:15PM Aug 10, 2022Observed: 9.5 ft at 6:30PM Aug 10, 2022Observed: 9.5 ft at 6:45PM Aug 10, 2022Observed: 9.5 ft at 7:00PM Aug 10, 2022Observed: 9.5 ft at 7:15PM Aug 10, 2022Observed: 9.5 ft at 7:30PM Aug 10, 2022Observed: 9.5 ft at 7:45PM Aug 10, 2022Observed: 9.5 ft at 8:00PM Aug 10, 2022Observed: 9.5 ft at 8:15PM Aug 10, 2022Observed: 9.5 ft at 8:30PM Aug 10, 2022Observed: 9.5 ft at 8:45PM Aug 10, 2022Observed: 9.5 ft at 9:00PM Aug 10, 2022Observed: 9.5 ft at 9:15PM Aug 10, 2022Observed: 9.5 ft at 9:30PM Aug 10, 2022Observed: 9.5 ft at 9:45PM Aug 10, 2022Observed: 9.51 ft at 10:00PM Aug 10, 2022Observed: 9.51 ft at 10:15PM Aug 10, 2022Observed: 9.51 ft at 10:16PM Aug 10, 2022Observed: 9.5 ft at 10:30PM Aug 10, 2022Observed: 9.5 ft at 10:45PM Aug 10, 2022Observed: 9.51 ft at 11:00PM Aug 10, 2022Observed: 9.51 ft at 11:15PM Aug 10, 2022Observed: 9.51 ft at 11:30PM Aug 10, 2022Observed: 9.51 ft at 11:45PM Aug 10, 2022Observed: 9.51 ft at 12:00AM Aug 11, 2022Observed: 9.51 ft at 12:15AM Aug 11, 2022Observed: 9.51 ft at 12:30AM Aug 11, 2022Observed: 9.51 ft at 12:45AM Aug 11, 2022Observed: 9.5 ft at 1:00AM Aug 11, 2022Observed: 9.5 ft at 1:15AM Aug 11, 2022Observed: 9.5 ft at 1:30AM Aug 11, 2022Observed: 9.5 ft at 1:45AM Aug 11, 2022Observed: 9.5 ft at 2:00AM Aug 11, 2022Observed: 9.5 ft at 2:15AM Aug 11, 2022Observed: 9.51 ft at 2:30AM Aug 11, 2022Observed: 9.51 ft at 2:45AM Aug 11, 2022Observed: 9.51 ft at 3:00AM Aug 11, 2022Observed: 9.51 ft at 3:15AM Aug 11, 2022Observed: 9.51 ft at 3:30AM Aug 11, 2022Observed: 9.5 ft at 3:45AM Aug 11, 2022Observed: 9.5 ft at 4:00AM Aug 11, 2022Observed: 9.5 ft at 4:15AM Aug 11, 2022Observed: 9.5 ft at 4:30AM Aug 11, 2022Observed: 9.5 ft at 4:45AM Aug 11, 2022Observed: 9.5 ft at 5:00AM Aug 11, 2022Observed: 9.5 ft at 5:15AM Aug 11, 2022Observed: 9.5 ft at 5:30AM Aug 11, 2022Observed: 9.5 ft at 5:45AM Aug 11, 2022Observed: 9.5 ft at 6:00AM Aug 11, 2022Observed: 9.5 ft at 6:15AM Aug 11, 2022Observed: 9.5 ft at 6:16AM Aug 11, 2022Observed: 9.5 ft at 6:30AM Aug 11, 2022Observed: 9.5 ft at 6:45AM Aug 11, 2022Observed: 9.5 ft at 7:00AM Aug 11, 2022Observed: 9.5 ft at 7:15AM Aug 11, 2022Observed: 9.49 ft at 7:30AM Aug 11, 2022Observed: 9.49 ft at 7:45AM Aug 11, 2022Observed: 9.49 ft at 8:00AM Aug 11, 2022Observed: 9.49 ft at 8:15AM Aug 11, 2022Observed: 9.49 ft at 8:30AM Aug 11, 2022Observed: 9.49 ft at 8:45AM Aug 11, 2022Observed: 9.5 ft at 9:00AM Aug 11, 2022Observed: 9.5 ft at 9:15AM Aug 11, 2022Observed: 9.5 ft at 9:30AM Aug 11, 2022Observed: 9.5 ft at 9:45AM Aug 11, 2022Observed: 9.5 ft at 10:00AM Aug 11, 2022Observed: 9.5 ft at 10:15AM Aug 11, 2022Observed: 9.5 ft at 10:30AM Aug 11, 2022Observed: 9.5 ft at 10:45AM Aug 11, 2022Observed: 9.5 ft at 11:00AM Aug 11, 2022Observed: 9.5 ft at 11:15AM Aug 11, 2022Observed: 9.5 ft at 11:30AM Aug 11, 2022Observed: 9.5 ft at 11:45AM Aug 11, 2022Observed: 9.5 ft at 12:00PM Aug 11, 2022Observed: 9.5 ft at 12:15PM Aug 11, 2022Observed: 9.5 ft at 12:30PM Aug 11, 2022Observed: 9.5 ft at 12:45PM Aug 11, 2022Observed: 9.5 ft at 1:00PM Aug 11, 2022Observed: 9.5 ft at 1:15PM Aug 11, 2022Observed: 9.5 ft at 1:30PM Aug 11, 2022Observed: 9.5 ft at 1:45PM Aug 11, 2022Observed: 9.5 ft at 2:00PM Aug 11, 2022Observed: 9.5 ft at 2:15PM Aug 11, 2022Observed: 9.5 ft at 2:30PM Aug 11, 2022Observed: 9.5 ft at 2:45PM Aug 11, 2022Observed: 9.5 ft at 3:00PM Aug 11, 2022Observed: 9.5 ft at 3:15PM Aug 11, 2022Observed: 9.96 ft at 3:30PM Aug 11, 2022Observed: 10.39 ft at 3:45PM Aug 11, 2022Observed: 10.52 ft at 4:00PM Aug 11, 2022Observed: 10.56 ft at 4:15PM Aug 11, 2022Observed: 10.59 ft at 4:30PM Aug 11, 2022Observed: 10.6 ft at 4:45PM Aug 11, 2022Observed: 10.62 ft at 5:00PM Aug 11, 2022Observed: 10.62 ft at 5:15PM Aug 11, 2022Observed: 10.63 ft at 5:30PM Aug 11, 2022Observed: 10.63 ft at 5:45PM Aug 11, 2022Observed: 10.63 ft at 6:00PM Aug 11, 2022Observed: 10.63 ft at 6:15PM Aug 11, 2022Observed: 10.63 ft at 6:30PM Aug 11, 2022Observed: 10.63 ft at 6:45PM Aug 11, 2022Observed: 10.67 ft at 7:00PM Aug 11, 2022Observed: 10.15 ft at 7:15PM Aug 11, 2022Observed: 9.79 ft at 7:30PM Aug 11, 2022Observed: 9.64 ft at 7:45PM Aug 11, 2022Observed: 9.58 ft at 8:00PM Aug 11, 2022Observed: 9.55 ft at 8:15PM Aug 11, 2022Observed: 9.54 ft at 8:30PM Aug 11, 2022Observed: 9.53 ft at 8:45PM Aug 11, 2022Observed: 9.52 ft at 9:00PM Aug 11, 2022Observed: 9.51 ft at 9:15PM Aug 11, 2022Observed: 9.51 ft at 9:30PM Aug 11, 2022Observed: 9.51 ft at 9:45PM Aug 11, 2022Observed: 9.51 ft at 10:00PM Aug 11, 2022Observed: 9.51 ft at 10:15PM Aug 11, 2022Observed: 9.51 ft at 10:30PM Aug 11, 2022Observed: 9.51 ft at 10:45PM Aug 11, 2022Observed: 9.51 ft at 11:00PM Aug 11, 2022Observed: 9.51 ft at 11:15PM Aug 11, 2022Observed: 9.51 ft at 11:30PM Aug 11, 2022Observed: 9.5 ft at 11:45PM Aug 11, 2022Observed: 9.5 ft at 12:00AM Aug 12, 2022Observed: 9.5 ft at 12:15AM Aug 12, 2022Observed: 9.5 ft at 12:30AM Aug 12, 2022Observed: 9.49 ft at 12:45AM Aug 12, 2022Observed: 9.49 ft at 1:00AM Aug 12, 2022Observed: 9.5 ft at 1:15AM Aug 12, 2022Observed: 9.5 ft at 1:30AM Aug 12, 2022Observed: 9.5 ft at 1:45AM Aug 12, 2022Observed: 9.49 ft at 2:00AM Aug 12, 2022Observed: 9.49 ft at 2:15AM Aug 12, 2022Observed: 9.49 ft at 2:30AM Aug 12, 2022Observed: 9.49 ft at 2:45AM Aug 12, 2022Observed: 9.49 ft at 3:00AM Aug 12, 2022Observed: 9.49 ft at 3:15AM Aug 12, 2022Observed: 9.49 ft at 3:30AM Aug 12, 2022Observed: 9.49 ft at 3:45AM Aug 12, 2022Observed: 9.49 ft at 4:00AM Aug 12, 2022Observed: 9.49 ft at 4:15AM Aug 12, 2022Observed: 9.49 ft at 4:30AM Aug 12, 2022Observed: 9.49 ft at 4:45AM Aug 12, 2022Observed: 9.49 ft at 5:00AM Aug 12, 2022Observed: 9.49 ft at 5:15AM Aug 12, 2022Observed: 9.49 ft at 5:30AM Aug 12, 2022Observed: 9.49 ft at 5:45AM Aug 12, 2022Observed: 9.49 ft at 6:00AM Aug 12, 2022Observed: 9.49 ft at 6:15AM Aug 12, 2022Observed: 9.49 ft at 6:30AM Aug 12, 2022Observed: 9.49 ft at 6:31AM Aug 12, 2022Observed: 9.48 ft at 6:45AM Aug 12, 2022Observed: 9.48 ft at 7:00AM Aug 12, 2022Observed: 9.49 ft at 7:15AM Aug 12, 2022Observed: 9.48 ft at 7:30AM Aug 12, 2022Observed: 9.49 ft at 7:45AM Aug 12, 2022Observed: 9.49 ft at 8:00AM Aug 12, 2022Observed: 9.49 ft at 8:15AM Aug 12, 2022Observed: 9.5 ft at 8:30AM Aug 12, 2022Observed: 9.49 ft at 8:45AM Aug 12, 2022Observed: 9.49 ft at 9:00AM Aug 12, 2022Observed: 9.49 ft at 9:15AM Aug 12, 2022Observed: 9.49 ft at 9:30AM Aug 12, 2022Observed: 9.49 ft at 9:45AM Aug 12, 2022Observed: 9.49 ft at 10:00AM Aug 12, 2022Observed: 9.49 ft at 10:15AM Aug 12, 2022Observed: 9.49 ft at 10:30AM Aug 12, 2022Observed: 9.49 ft at 10:45AM Aug 12, 2022Observed: 9.49 ft at 11:00AM Aug 12, 2022Observed: 9.49 ft at 11:15AM Aug 12, 2022Observed: 9.49 ft at 11:30AM Aug 12, 2022Observed: 9.49 ft at 11:45AM Aug 12, 2022Observed: 9.49 ft at 12:00PM Aug 12, 2022Observed: 9.49 ft at 12:15PM Aug 12, 2022Observed: 9.49 ft at 12:30PM Aug 12, 2022Observed: 9.49 ft at 12:45PM Aug 12, 2022Observed: 9.49 ft at 1:00PM Aug 12, 2022Observed: 9.49 ft at 1:15PM Aug 12, 2022Observed: 9.49 ft at 1:30PM Aug 12, 2022Observed: 9.49 ft at 1:45PM Aug 12, 2022Observed: 9.5 ft at 2:00PM Aug 12, 2022Observed: 9.5 ft at 2:15PM Aug 12, 2022Observed: 9.49 ft at 2:30PM Aug 12, 2022Observed: 9.49 ft at 2:31PM Aug 12, 2022Observed: 9.49 ft at 2:45PM Aug 12, 2022Observed: 9.5 ft at 3:00PM Aug 12, 2022Observed: 9.5 ft at 3:15PM Aug 12, 2022Observed: 9.5 ft at 3:30PM Aug 12, 2022Observed: 9.5 ft at 3:45PM Aug 12, 2022Observed: 9.5 ft at 4:00PM Aug 12, 2022Observed: 9.5 ft at 4:15PM Aug 12, 2022Observed: 9.5 ft at 4:30PM Aug 12, 2022Observed: 9.5 ft at 4:45PM Aug 12, 2022Observed: 9.5 ft at 5:00PM Aug 12, 2022Observed: 9.5 ft at 5:15PM Aug 12, 2022Observed: 9.5 ft at 5:30PM Aug 12, 2022Observed: 9.5 ft at 5:45PM Aug 12, 2022Observed: 9.5 ft at 6:00PM Aug 12, 2022Observed: 9.51 ft at 6:15PM Aug 12, 2022Observed: 9.51 ft at 6:30PM Aug 12, 2022Observed: 9.51 ft at 6:45PM Aug 12, 2022Observed: 9.52 ft at 7:00PM Aug 12, 2022Observed: 9.52 ft at 7:15PM Aug 12, 2022Observed: 9.52 ft at 7:30PM Aug 12, 2022Observed: 9.51 ft at 7:45PM Aug 12, 2022Observed: 9.51 ft at 8:00PM Aug 12, 2022Observed: 9.5 ft at 8:15PM Aug 12, 2022Observed: 9.5 ft at 8:30PM Aug 12, 2022Observed: 9.5 ft at 8:45PM Aug 12, 2022Observed: 9.5 ft at 9:00PM Aug 12, 2022Observed: 9.5 ft at 9:15PM Aug 12, 2022Observed: 9.5 ft at 9:30PM Aug 12, 2022Observed: 9.5 ft at 9:45PM Aug 12, 2022Observed: 9.49 ft at 10:00PM Aug 12, 2022Observed: 9.48 ft at 10:15PM Aug 12, 2022Observed: 9.48 ft at 10:30PM Aug 12, 2022Observed: 9.48 ft at 10:31PM Aug 12, 2022Observed: 9.48 ft at 10:45PM Aug 12, 2022Observed: 9.48 ft at 11:00PM Aug 12, 2022Observed: 9.48 ft at 11:15PM Aug 12, 2022Observed: 9.48 ft at 11:30PM Aug 12, 2022Observed: 9.47 ft at 11:45PM Aug 12, 2022Observed: 9.47 ft at 12:00AM Aug 13, 2022Observed: 9.48 ft at 12:15AM Aug 13, 2022Observed: 9.48 ft at 12:30AM Aug 13, 2022Observed: 9.47 ft at 12:45AM Aug 13, 2022Observed: 9.47 ft at 1:00AM Aug 13, 2022Observed: 9.47 ft at 1:15AM Aug 13, 2022Observed: 9.47 ft at 1:30AM Aug 13, 2022Observed: 9.47 ft at 1:45AM Aug 13, 2022Observed: 9.47 ft at 2:00AM Aug 13, 2022Observed: 9.47 ft at 2:15AM Aug 13, 2022Observed: 9.47 ft at 2:30AM Aug 13, 2022Observed: 9.47 ft at 2:45AM Aug 13, 2022Observed: 9.47 ft at 3:00AM Aug 13, 2022Observed: 9.47 ft at 3:15AM Aug 13, 2022Observed: 9.47 ft at 3:30AM Aug 13, 2022Observed: 9.47 ft at 3:45AM Aug 13, 2022Observed: 9.47 ft at 4:00AM Aug 13, 2022Observed: 9.47 ft at 4:15AM Aug 13, 2022Observed: 9.47 ft at 4:30AM Aug 13, 2022Observed: 9.47 ft at 4:45AM Aug 13, 2022Observed: 9.47 ft at 5:00AM Aug 13, 2022Observed: 9.47 ft at 5:15AM Aug 13, 2022Observed: 9.48 ft at 5:30AM Aug 13, 2022Observed: 9.49 ft at 5:45AM Aug 13, 2022Observed: 9.49 ft at 6:00AM Aug 13, 2022Observed: 9.5 ft at 6:15AM Aug 13, 2022Observed: 9.5 ft at 6:30AM Aug 13, 2022Observed: 9.5 ft at 6:31AM Aug 13, 2022Observed: 9.5 ft at 6:45AM Aug 13, 2022Observed: 9.5 ft at 7:00AM Aug 13, 2022Observed: 9.5 ft at 7:15AM Aug 13, 2022Observed: 9.5 ft at 7:30AM Aug 13, 2022Observed: 9.5 ft at 7:45AM Aug 13, 2022Observed: 9.5 ft at 8:00AM Aug 13, 2022Observed: 9.49 ft at 8:15AM Aug 13, 2022Observed: 9.49 ft at 8:30AM Aug 13, 2022Observed: 9.49 ft at 8:45AM Aug 13, 2022Observed: 9.49 ft at 9:00AM Aug 13, 2022Observed: 9.49 ft at 9:15AM Aug 13, 2022Observed: 9.49 ft at 9:30AM Aug 13, 2022Observed: 9.49 ft at 9:45AM Aug 13, 2022Observed: 9.49 ft at 10:00AM Aug 13, 2022Observed: 9.49 ft at 10:15AM Aug 13, 2022Observed: 9.49 ft at 10:30AM Aug 13, 2022Observed: 9.49 ft at 10:45AM Aug 13, 2022Observed: 9.49 ft at 11:00AM Aug 13, 2022Observed: 9.49 ft at 11:15AM Aug 13, 2022Observed: 9.48 ft at 11:30AM Aug 13, 2022Observed: 9.48 ft at 11:45AM Aug 13, 2022Observed: 9.49 ft at 12:00PM Aug 13, 2022Observed: 9.49 ft at 12:15PM Aug 13, 2022Observed: 9.49 ft at 12:30PM Aug 13, 2022Observed: 9.49 ft at 12:45PM Aug 13, 2022Observed: 9.49 ft at 1:00PM Aug 13, 2022Observed: 9.49 ft at 1:15PM Aug 13, 2022Observed: 9.49 ft at 1:30PM Aug 13, 2022Observed: 9.49 ft at 1:45PM Aug 13, 2022Observed: 9.49 ft at 2:00PM Aug 13, 2022Observed: 9.49 ft at 2:15PM Aug 13, 2022Observed: 9.49 ft at 2:30PM Aug 13, 2022Observed: 9.49 ft at 2:31PM Aug 13, 2022Observed: 9.49 ft at 2:45PM Aug 13, 2022Observed: 9.49 ft at 3:00PM Aug 13, 2022Observed: 9.49 ft at 3:15PM Aug 13, 2022Observed: 9.49 ft at 3:30PM Aug 13, 2022Observed: 9.5 ft at 3:45PM Aug 13, 2022Observed: 9.5 ft at 4:00PM Aug 13, 2022Observed: 9.5 ft at 4:15PM Aug 13, 2022Observed: 9.5 ft at 4:30PM Aug 13, 2022Observed: 9.5 ft at 4:45PM Aug 13, 2022Observed: 9.64 ft at 5:00PM Aug 13, 2022Observed: 10.6 ft at 5:15PM Aug 13, 2022Highest Observation: 11.2 ft at 5:30PM Aug 13, 2022USGS--Water Resources of the United StatesCNWM2(plotting HGIRG) Graph Created (5:55PM Aug 13, 2022)ObservedLatest observed value: 11.2 ft at 5:30 PM EDT 13-Aug-2022. Flood Stage is 23.5 ft
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Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Gauge reading affected by power generation.

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

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Upstream Gauge - at Marietta Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 28.5
Moderate Flood Stage: 24.8
Flood Stage: 23.5
Action Stage: 21.5
Low Stage (in feet): 0

Historic Crests
(1) 36.83 ft on 06/24/1972
(2) 34.18 ft on 01/20/1996
(3) 32.41 ft on 09/09/2011
(4) 30.92 ft on 09/27/1975
(5) 30.07 ft on 09/19/2004
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 24.29 ft on 09/03/2021
(2) 22.32 ft on 05/02/2020
(3) 21.52 ft on 11/28/2018
(4) 26.08 ft on 07/26/2018
(5) 21.60 ft on 02/02/2013
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: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
31 Notification level 9 with 43 to 53 gates open at Conowingo dam.
29.4 Notification level 8 with 36 to 42 gates open at Conowingo Dam.
28.5 Notification level 7 with 33 to 35 gates open at Conowingo Dam.
26.3 Notification level 6 with 26 to 32 gates open at Conowingo Dam.
24.8 Backyards and basements on Main Street and Tome's Landing begin to flood.
23.7 Minor flooding begins in the town of Port Deposit, Maryland.
22.9 Maryland Route 222 north of Port Deposit is closed.
21.5 Notification level 2 with 12 to 15 gates open at Conowingo Dam.
20 Notification level 1 with 10 to 11 gates open at Conowingo Dam.
About This Location Collapse

Latitude: 39.657778° N, Longitude: 76.174444° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 23.5 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 4.16 27.66 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
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.

Click individual graphics to enlarge.

During winter months, cold and ice may result in inaccurate real-time stream stage and streamflow data. Adjustments or deletions of this data can only be done after detailed analysis.
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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
(Baltimore/Washington) Sterling Weather Forecast Office
43858 Weather Service Rd.
Sterling, VA 20166
(703) 996-2200
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Page last modified: 2-Nov-2020 7:30 PM
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