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Hydrograph River at a Glance Download
Susquehanna River at Conowingo Dam Stage (ft)Flow (kcfs)Observed: 11.71 ft at 10:15AM Nov 19, 2020Observed: 10.72 ft at 10:30AM Nov 19, 2020Observed: 10.12 ft at 10:45AM Nov 19, 2020Observed: 9.88 ft at 11:00AM Nov 19, 2020Observed: 9.79 ft at 11:15AM Nov 19, 2020Observed: 9.75 ft at 11:30AM Nov 19, 2020Observed: 9.73 ft at 11:45AM Nov 19, 2020Observed: 9.71 ft at 12:00PM Nov 19, 2020Observed: 9.7 ft at 12:15PM Nov 19, 2020Observed: 9.69 ft at 12:30PM Nov 19, 2020Observed: 9.7 ft at 12:45PM Nov 19, 2020Observed: 9.69 ft at 1:00PM Nov 19, 2020Observed: 9.68 ft at 1:15PM Nov 19, 2020Observed: 9.69 ft at 1:30PM Nov 19, 2020Observed: 9.68 ft at 1:45PM Nov 19, 2020Observed: 9.68 ft at 2:00PM Nov 19, 2020Observed: 9.68 ft at 2:15PM Nov 19, 2020Observed: 9.68 ft at 2:30PM Nov 19, 2020Observed: 9.67 ft at 2:45PM Nov 19, 2020Observed: 9.68 ft at 3:00PM Nov 19, 2020Observed: 10.77 ft at 3:15PM Nov 19, 2020Observed: 11.75 ft at 3:30PM Nov 19, 2020Observed: 12.14 ft at 3:45PM Nov 19, 2020Observed: 12.2 ft at 4:00PM Nov 19, 2020Observed: 12.26 ft at 4:15PM Nov 19, 2020Observed: 12.28 ft at 4:30PM Nov 19, 2020Observed: 12.29 ft at 4:45PM Nov 19, 2020Observed: 12.3 ft at 5:00PM Nov 19, 2020Observed: 12.89 ft at 5:15PM Nov 19, 2020Observed: 13.14 ft at 5:30PM Nov 19, 2020Observed: 13.21 ft at 5:45PM Nov 19, 2020Observed: 13.23 ft at 6:00PM Nov 19, 2020Observed: 13.24 ft at 6:15PM Nov 19, 2020Observed: 13.25 ft at 6:30PM Nov 19, 2020Observed: 13.24 ft at 6:45PM Nov 19, 2020Observed: 13.25 ft at 7:00PM Nov 19, 2020Observed: 13.26 ft at 7:15PM Nov 19, 2020Observed: 13.25 ft at 7:30PM Nov 19, 2020Observed: 13.25 ft at 7:45PM Nov 19, 2020Highest Observation: 13.27 ft at 8:00PM Nov 19, 2020Observed: 12.72 ft at 8:15PM Nov 19, 2020Observed: 12.43 ft at 8:30PM Nov 19, 2020Observed: 12.35 ft at 8:45PM Nov 19, 2020Observed: 12.32 ft at 9:00PM Nov 19, 2020Observed: 12.31 ft at 9:15PM Nov 19, 2020Observed: 12.31 ft at 9:30PM Nov 19, 2020Observed: 12.31 ft at 9:45PM Nov 19, 2020Observed: 12.3 ft at 10:00PM Nov 19, 2020Observed: 11.52 ft at 10:15PM Nov 19, 2020Observed: 11.03 ft at 10:30PM Nov 19, 2020Observed: 10.88 ft at 10:45PM Nov 19, 2020Observed: 10.83 ft at 11:00PM Nov 19, 2020Observed: 10.8 ft at 11:15PM Nov 19, 2020Observed: 10.79 ft at 11:30PM Nov 19, 2020Observed: 10.77 ft at 11:45PM Nov 19, 2020Observed: 10.77 ft at 12:00AM Nov 20, 2020Observed: 10.76 ft at 12:15AM Nov 20, 2020Observed: 10.76 ft at 12:30AM Nov 20, 2020Observed: 10.76 ft at 12:45AM Nov 20, 2020Observed: 10.76 ft at 1:00AM Nov 20, 2020Observed: 10.76 ft at 1:15AM Nov 20, 2020Observed: 10.75 ft at 1:30AM Nov 20, 2020Observed: 10.75 ft at 1:45AM Nov 20, 2020Observed: 10.75 ft at 2:00AM Nov 20, 2020Observed: 10.75 ft at 2:15AM Nov 20, 2020Observed: 10.75 ft at 2:30AM Nov 20, 2020Observed: 10.75 ft at 2:45AM Nov 20, 2020Observed: 10.75 ft at 3:00AM Nov 20, 2020Observed: 10.75 ft at 3:15AM Nov 20, 2020Observed: 10.75 ft at 3:30AM Nov 20, 2020Observed: 10.75 ft at 3:45AM Nov 20, 2020Observed: 10.75 ft at 4:00AM Nov 20, 2020Observed: 10.75 ft at 4:15AM Nov 20, 2020Observed: 10.75 ft at 4:30AM Nov 20, 2020Observed: 10.74 ft at 4:45AM Nov 20, 2020Observed: 10.75 ft at 5:00AM Nov 20, 2020Observed: 10.75 ft at 5:15AM Nov 20, 2020Observed: 10.75 ft at 5:30AM Nov 20, 2020Observed: 10.75 ft at 5:45AM Nov 20, 2020Observed: 10.79 ft at 6:00AM Nov 20, 2020Observed: 11.65 ft at 6:15AM Nov 20, 2020Observed: 12.09 ft at 6:30AM Nov 20, 2020Observed: 12.18 ft at 6:45AM Nov 20, 2020Observed: 12.23 ft at 7:00AM Nov 20, 2020Observed: 12.24 ft at 7:15AM Nov 20, 2020Observed: 12.26 ft at 7:30AM Nov 20, 2020Observed: 12.26 ft at 7:45AM Nov 20, 2020Observed: 12.26 ft at 8:00AM Nov 20, 2020Observed: 12.26 ft at 8:15AM Nov 20, 2020Observed: 12.26 ft at 8:30AM Nov 20, 2020Observed: 12.27 ft at 8:45AM Nov 20, 2020Observed: 12.27 ft at 9:00AM Nov 20, 2020Observed: 12.27 ft at 9:15AM Nov 20, 2020Observed: 12.27 ft at 9:30AM Nov 20, 2020Observed: 12.27 ft at 9:45AM Nov 20, 2020Observed: 12.27 ft at 10:00AM Nov 20, 2020Observed: 11.13 ft at 10:15AM Nov 20, 2020Observed: 10.19 ft at 10:30AM Nov 20, 2020Observed: 9.63 ft at 10:45AM Nov 20, 2020Observed: 9.4 ft at 11:00AM Nov 20, 2020Observed: 9.3 ft at 11:15AM Nov 20, 2020Observed: 9.24 ft at 11:30AM Nov 20, 2020Observed: 9.2 ft at 11:45AM Nov 20, 2020Observed: 9.18 ft at 12:00PM Nov 20, 2020Observed: 9.16 ft at 12:15PM Nov 20, 2020Observed: 9.15 ft at 12:30PM Nov 20, 2020Observed: 9.15 ft at 12:45PM Nov 20, 2020Observed: 9.14 ft at 1:00PM Nov 20, 2020Observed: 9.13 ft at 1:15PM Nov 20, 2020Observed: 9.13 ft at 1:30PM Nov 20, 2020Observed: 9.12 ft at 1:45PM Nov 20, 2020Observed: 9.12 ft at 2:00PM Nov 20, 2020Observed: 9.12 ft at 2:15PM Nov 20, 2020Observed: 9.12 ft at 2:30PM Nov 20, 2020Observed: 9.11 ft at 2:45PM Nov 20, 2020Observed: 9.11 ft at 3:00PM Nov 20, 2020Observed: 9.11 ft at 3:15PM Nov 20, 2020Observed: 9.11 ft at 3:30PM Nov 20, 2020Observed: 9.11 ft at 3:45PM Nov 20, 2020Observed: 9.19 ft at 4:00PM Nov 20, 2020Observed: 10.55 ft at 4:15PM Nov 20, 2020Observed: 11.64 ft at 4:30PM Nov 20, 2020Observed: 12.11 ft at 4:45PM Nov 20, 2020Observed: 12.17 ft at 5:00PM Nov 20, 2020Observed: 12.22 ft at 5:15PM Nov 20, 2020Observed: 12.26 ft at 5:30PM Nov 20, 2020Observed: 12.27 ft at 5:45PM Nov 20, 2020Observed: 12.27 ft at 6:00PM Nov 20, 2020Observed: 12.28 ft at 6:15PM Nov 20, 2020Observed: 12.28 ft at 6:30PM Nov 20, 2020Observed: 12.28 ft at 6:45PM Nov 20, 2020Observed: 12.27 ft at 7:00PM Nov 20, 2020Observed: 11.15 ft at 7:15PM Nov 20, 2020Observed: 10.21 ft at 7:30PM Nov 20, 2020Observed: 9.64 ft at 7:45PM Nov 20, 2020Observed: 9.4 ft at 8:00PM Nov 20, 2020Observed: 9.3 ft at 8:15PM Nov 20, 2020Observed: 9.23 ft at 8:30PM Nov 20, 2020Observed: 9.2 ft at 8:45PM Nov 20, 2020Observed: 9.18 ft at 9:00PM Nov 20, 2020Observed: 9.16 ft at 9:15PM Nov 20, 2020Observed: 9.15 ft at 9:30PM Nov 20, 2020Observed: 9.15 ft at 9:45PM Nov 20, 2020Observed: 9.14 ft at 10:00PM Nov 20, 2020Observed: 9.13 ft at 10:15PM Nov 20, 2020Observed: 9.13 ft at 10:30PM Nov 20, 2020Observed: 9.12 ft at 10:45PM Nov 20, 2020Observed: 9.12 ft at 11:00PM Nov 20, 2020Observed: 9.12 ft at 11:15PM Nov 20, 2020Observed: 9.12 ft at 11:30PM Nov 20, 2020Observed: 9.11 ft at 11:45PM Nov 20, 2020Observed: 9.11 ft at 12:00AM Nov 21, 2020Observed: 9.11 ft at 12:15AM Nov 21, 2020Observed: 9.11 ft at 12:30AM Nov 21, 2020Observed: 9.11 ft at 12:45AM Nov 21, 2020Observed: 9.11 ft at 1:00AM Nov 21, 2020Observed: 9.11 ft at 1:15AM Nov 21, 2020Observed: 9.11 ft at 1:30AM Nov 21, 2020Observed: 9.11 ft at 1:45AM Nov 21, 2020Observed: 9.11 ft at 2:00AM Nov 21, 2020Observed: 9.11 ft at 2:15AM Nov 21, 2020Observed: 9.11 ft at 2:30AM Nov 21, 2020Observed: 9.11 ft at 2:45AM Nov 21, 2020Observed: 9.11 ft at 3:00AM Nov 21, 2020Observed: 9.11 ft at 3:15AM Nov 21, 2020Observed: 9.11 ft at 3:30AM Nov 21, 2020Observed: 9.11 ft at 3:45AM Nov 21, 2020Observed: 9.11 ft at 4:00AM Nov 21, 2020Observed: 9.11 ft at 4:15AM Nov 21, 2020Observed: 9.11 ft at 4:30AM Nov 21, 2020Observed: 9.11 ft at 4:45AM Nov 21, 2020Observed: 9.11 ft at 5:00AM Nov 21, 2020Observed: 9.11 ft at 5:15AM Nov 21, 2020Observed: 9.11 ft at 5:30AM Nov 21, 2020Observed: 9.11 ft at 5:45AM Nov 21, 2020Observed: 9.11 ft at 6:00AM Nov 21, 2020Observed: 10.12 ft at 6:15AM Nov 21, 2020Observed: 11.07 ft at 6:30AM Nov 21, 2020Observed: 11.46 ft at 6:45AM Nov 21, 2020Observed: 11.51 ft at 7:00AM Nov 21, 2020Observed: 11.54 ft at 7:15AM Nov 21, 2020Observed: 11.57 ft at 7:30AM Nov 21, 2020Observed: 11.59 ft at 7:45AM Nov 21, 2020Observed: 11.59 ft at 8:00AM Nov 21, 2020Observed: 11.6 ft at 8:15AM Nov 21, 2020Observed: 11.6 ft at 8:30AM Nov 21, 2020Observed: 11.6 ft at 8:45AM Nov 21, 2020Observed: 11.6 ft at 9:00AM Nov 21, 2020Observed: 11.4 ft at 9:15AM Nov 21, 2020Observed: 10.43 ft at 9:30AM Nov 21, 2020Observed: 9.76 ft at 9:45AM Nov 21, 2020Observed: 9.43 ft at 10:00AM Nov 21, 2020Observed: 9.3 ft at 10:15AM Nov 21, 2020Observed: 9.23 ft at 10:30AM Nov 21, 2020Observed: 9.19 ft at 10:45AM Nov 21, 2020Observed: 9.16 ft at 11:00AM Nov 21, 2020Observed: 9.15 ft at 11:15AM Nov 21, 2020Observed: 9.14 ft at 11:30AM Nov 21, 2020Observed: 9.13 ft at 11:45AM Nov 21, 2020Observed: 9.12 ft at 12:00PM Nov 21, 2020Observed: 9.12 ft at 12:15PM Nov 21, 2020Observed: 9.11 ft at 12:30PM Nov 21, 2020Observed: 9.11 ft at 12:45PM Nov 21, 2020Observed: 9.11 ft at 1:00PM Nov 21, 2020Observed: 9.11 ft at 1:15PM Nov 21, 2020Observed: 9.11 ft at 1:30PM Nov 21, 2020Observed: 9.11 ft at 1:45PM Nov 21, 2020Observed: 9.1 ft at 2:00PM Nov 21, 2020Observed: 9.1 ft at 2:15PM Nov 21, 2020Observed: 9.1 ft at 2:30PM Nov 21, 2020Observed: 9.1 ft at 2:45PM Nov 21, 2020Observed: 9.1 ft at 3:00PM Nov 21, 2020Observed: 9.1 ft at 3:15PM Nov 21, 2020Observed: 9.1 ft at 3:30PM Nov 21, 2020Observed: 9.1 ft at 3:45PM Nov 21, 2020Observed: 9.1 ft at 4:00PM Nov 21, 2020Observed: 10.19 ft at 4:15PM Nov 21, 2020Observed: 11.46 ft at 4:30PM Nov 21, 2020Observed: 12.11 ft at 4:45PM Nov 21, 2020Observed: 12.24 ft at 5:00PM Nov 21, 2020Observed: 12.29 ft at 5:15PM Nov 21, 2020Observed: 12.34 ft at 5:30PM Nov 21, 2020Observed: 12.35 ft at 5:45PM Nov 21, 2020Observed: 12.35 ft at 6:00PM Nov 21, 2020Observed: 12.36 ft at 6:15PM Nov 21, 2020Observed: 12.36 ft at 6:30PM Nov 21, 2020Observed: 12.36 ft at 6:45PM Nov 21, 2020Observed: 12.33 ft at 7:00PM Nov 21, 2020Observed: 11.18 ft at 7:15PM Nov 21, 2020Observed: 10.23 ft at 7:30PM Nov 21, 2020Observed: 9.67 ft at 7:45PM Nov 21, 2020Observed: 9.43 ft at 8:00PM Nov 21, 2020Observed: 9.34 ft at 8:15PM Nov 21, 2020Observed: 9.28 ft at 8:30PM Nov 21, 2020Observed: 9.24 ft at 8:45PM Nov 21, 2020Observed: 9.23 ft at 9:00PM Nov 21, 2020Observed: 9.21 ft at 9:15PM Nov 21, 2020Observed: 9.2 ft at 9:30PM Nov 21, 2020Observed: 9.19 ft at 9:45PM Nov 21, 2020Observed: 9.19 ft at 10:00PM Nov 21, 2020Observed: 9.19 ft at 10:15PM Nov 21, 2020Observed: 9.18 ft at 10:30PM Nov 21, 2020Observed: 9.18 ft at 10:45PM Nov 21, 2020Observed: 9.18 ft at 11:00PM Nov 21, 2020Observed: 9.17 ft at 11:15PM Nov 21, 2020Observed: 9.17 ft at 11:30PM Nov 21, 2020Observed: 9.17 ft at 11:45PM Nov 21, 2020Observed: 9.17 ft at 12:00AM Nov 22, 2020Observed: 9.17 ft at 12:15AM Nov 22, 2020Observed: 9.17 ft at 12:30AM Nov 22, 2020Observed: 9.17 ft at 12:45AM Nov 22, 2020Observed: 9.17 ft at 1:00AM Nov 22, 2020Observed: 9.17 ft at 1:15AM Nov 22, 2020Observed: 9.17 ft at 1:30AM Nov 22, 2020Observed: 9.17 ft at 1:45AM Nov 22, 2020Observed: 9.16 ft at 2:00AM Nov 22, 2020Observed: 9.17 ft at 2:15AM Nov 22, 2020Observed: 9.17 ft at 2:30AM Nov 22, 2020Observed: 9.16 ft at 2:45AM Nov 22, 2020Observed: 9.16 ft at 3:00AM Nov 22, 2020Observed: 9.16 ft at 3:15AM Nov 22, 2020Observed: 9.16 ft at 3:30AM Nov 22, 2020Observed: 9.16 ft at 3:45AM Nov 22, 2020Observed: 9.16 ft at 4:00AM Nov 22, 2020Observed: 9.16 ft at 4:15AM Nov 22, 2020Observed: 9.16 ft at 4:30AM Nov 22, 2020Observed: 9.16 ft at 4:45AM Nov 22, 2020Observed: 9.16 ft at 5:00AM Nov 22, 2020Observed: 9.16 ft at 5:15AM Nov 22, 2020Observed: 9.16 ft at 5:30AM Nov 22, 2020Observed: 9.16 ft at 5:45AM Nov 22, 2020Observed: 9.16 ft at 6:00AM Nov 22, 2020Observed: 9.16 ft at 6:15AM Nov 22, 2020Observed: 9.16 ft at 6:30AM Nov 22, 2020Observed: 9.16 ft at 6:45AM Nov 22, 2020Observed: 9.16 ft at 7:00AM Nov 22, 2020Observed: 9.16 ft at 7:15AM Nov 22, 2020Observed: 9.16 ft at 7:30AM Nov 22, 2020Observed: 9.16 ft at 7:45AM Nov 22, 2020Observed: 9.16 ft at 8:00AM Nov 22, 2020Observed: 9.16 ft at 8:15AM Nov 22, 2020Observed: 9.16 ft at 8:30AM Nov 22, 2020Observed: 9.16 ft at 8:45AM Nov 22, 2020Observed: 9.16 ft at 9:00AM Nov 22, 2020Observed: 9.16 ft at 9:15AM Nov 22, 2020Observed: 9.16 ft at 9:30AM Nov 22, 2020Observed: 9.16 ft at 9:45AM Nov 22, 2020Observed: 9.16 ft at 10:00AM Nov 22, 2020Observed: 9.17 ft at 10:15AM Nov 22, 2020Observed: 9.17 ft at 10:30AM Nov 22, 2020Observed: 9.16 ft at 10:45AM Nov 22, 2020Observed: 9.16 ft at 11:00AM Nov 22, 2020Observed: 9.16 ft at 11:15AM Nov 22, 2020Observed: 9.17 ft at 11:30AM Nov 22, 2020Observed: 9.17 ft at 11:45AM Nov 22, 2020Observed: 9.17 ft at 12:00PM Nov 22, 2020Observed: 9.17 ft at 12:15PM Nov 22, 2020Observed: 9.17 ft at 12:30PM Nov 22, 2020Observed: 9.17 ft at 12:45PM Nov 22, 2020Observed: 9.17 ft at 1:00PM Nov 22, 2020Observed: 9.17 ft at 1:15PM Nov 22, 2020Observed: 9.17 ft at 1:30PM Nov 22, 2020Observed: 9.16 ft at 1:45PM Nov 22, 2020Observed: 9.16 ft at 2:00PM Nov 22, 2020Observed: 9.17 ft at 2:15PM Nov 22, 2020Observed: 9.16 ft at 2:30PM Nov 22, 2020Observed: 9.16 ft at 2:45PM Nov 22, 2020Observed: 9.16 ft at 3:00PM Nov 22, 2020Observed: 9.16 ft at 3:15PM Nov 22, 2020Observed: 9.16 ft at 3:30PM Nov 22, 2020Observed: 9.16 ft at 3:45PM Nov 22, 2020Observed: 9.24 ft at 4:00PM Nov 22, 2020Observed: 10.66 ft at 4:15PM Nov 22, 2020Observed: 11.72 ft at 4:30PM Nov 22, 2020Observed: 12.16 ft at 4:45PM Nov 22, 2020Observed: 12.23 ft at 5:00PM Nov 22, 2020Observed: 12.28 ft at 5:15PM Nov 22, 2020Observed: 12.31 ft at 5:30PM Nov 22, 2020Observed: 12.32 ft at 5:45PM Nov 22, 2020Observed: 12.33 ft at 6:00PM Nov 22, 2020Observed: 12.33 ft at 6:15PM Nov 22, 2020Observed: 12.33 ft at 6:30PM Nov 22, 2020Observed: 12.33 ft at 6:45PM Nov 22, 2020Observed: 12.33 ft at 7:00PM Nov 22, 2020Observed: 12.33 ft at 7:15PM Nov 22, 2020Observed: 12.33 ft at 7:30PM Nov 22, 2020Observed: 12.33 ft at 7:45PM Nov 22, 2020Observed: 12.28 ft at 8:00PM Nov 22, 2020Observed: 11.12 ft at 8:15PM Nov 22, 2020Observed: 10.18 ft at 8:30PM Nov 22, 2020Observed: 9.63 ft at 8:45PM Nov 22, 2020Observed: 9.39 ft at 9:00PM Nov 22, 2020Observed: 9.29 ft at 9:15PM Nov 22, 2020Observed: 9.23 ft at 9:30PM Nov 22, 2020Observed: 9.19 ft at 9:45PM Nov 22, 2020Observed: 9.17 ft at 10:00PM Nov 22, 2020Observed: 9.15 ft at 10:15PM Nov 22, 2020Observed: 9.15 ft at 10:30PM Nov 22, 2020Observed: 9.14 ft at 10:45PM Nov 22, 2020Observed: 9.13 ft at 11:00PM Nov 22, 2020Observed: 9.13 ft at 11:15PM Nov 22, 2020Observed: 9.12 ft at 11:30PM Nov 22, 2020Observed: 9.12 ft at 11:45PM Nov 22, 2020Observed: 9.12 ft at 12:00AM Nov 23, 2020Observed: 9.12 ft at 12:15AM Nov 23, 2020Observed: 9.11 ft at 12:30AM Nov 23, 2020Observed: 9.11 ft at 12:45AM Nov 23, 2020Observed: 9.11 ft at 1:00AM Nov 23, 2020Observed: 9.11 ft at 1:15AM Nov 23, 2020Observed: 9.11 ft at 1:30AM Nov 23, 2020Observed: 9.11 ft at 1:45AM Nov 23, 2020Observed: 9.11 ft at 2:00AM Nov 23, 2020Observed: 9.11 ft at 2:15AM Nov 23, 2020Observed: 9.11 ft at 2:30AM Nov 23, 2020Observed: 9.11 ft at 2:45AM Nov 23, 2020Observed: 9.11 ft at 3:00AM Nov 23, 2020Observed: 9.11 ft at 3:15AM Nov 23, 2020Observed: 9.11 ft at 3:30AM Nov 23, 2020Observed: 9.11 ft at 3:45AM Nov 23, 2020Observed: 9.11 ft at 4:00AM Nov 23, 2020Observed: 9.11 ft at 4:15AM Nov 23, 2020Observed: 9.11 ft at 4:30AM Nov 23, 2020Observed: 9.11 ft at 4:45AM Nov 23, 2020Observed: 9.13 ft at 5:00AM Nov 23, 2020Observed: 10.67 ft at 5:15AM Nov 23, 2020Observed: 12.12 ft at 5:30AM Nov 23, 2020Observed: 12.91 ft at 5:45AM Nov 23, 2020Observed: 13.15 ft at 6:00AM Nov 23, 2020Observed: 13.21 ft at 6:15AM Nov 23, 2020Observed: 13.24 ft at 6:30AM Nov 23, 2020Observed: 13.24 ft at 6:45AM Nov 23, 2020Observed: 13.25 ft at 7:00AM Nov 23, 2020Observed: 13.26 ft at 7:15AM Nov 23, 2020Observed: 13.25 ft at 7:30AM Nov 23, 2020Observed: 13.26 ft at 7:45AM Nov 23, 2020Observed: 13.26 ft at 8:00AM Nov 23, 2020Observed: 13.26 ft at 8:15AM Nov 23, 2020Observed: 13.26 ft at 8:30AM Nov 23, 2020Observed: 13.26 ft at 8:45AM Nov 23, 2020Observed: 13.25 ft at 9:00AM Nov 23, 2020Observed: 12.25 ft at 9:15AM Nov 23, 2020Observed: 11.4 ft at 9:30AM Nov 23, 2020Observed: 10.75 ft at 10:45AM Nov 23, 2020Observed: 10.74 ft at 11:00AM Nov 23, 2020Observed: 10.73 ft at 11:15AM Nov 23, 2020Observed: 10.73 ft at 11:30AM Nov 23, 2020Observed: 10.72 ft at 11:45AM Nov 23, 2020Observed: 10.73 ft at 12:00PM Nov 23, 2020Observed: 10.72 ft at 12:15PM Nov 23, 2020Observed: 10.72 ft at 12:30PM Nov 23, 2020Observed: 10.73 ft at 12:45PM Nov 23, 2020Observed: 10.72 ft at 1:00PM Nov 23, 2020Observed: 10.72 ft at 1:15PM Nov 23, 2020Observed: 10.73 ft at 1:30PM Nov 23, 2020Observed: 10.73 ft at 1:45PM Nov 23, 2020Observed: 10.72 ft at 2:00PM Nov 23, 2020Observed: 10.72 ft at 2:15PM Nov 23, 2020Observed: 10.73 ft at 2:30PM Nov 23, 2020Observed: 10.73 ft at 2:45PM Nov 23, 2020Observed: 10.72 ft at 3:00PM Nov 23, 2020Observed: 11.88 ft at 3:15PM Nov 23, 2020Observed: 12.78 ft at 3:30PM Nov 23, 2020Observed: 13.11 ft at 3:45PM Nov 23, 2020Observed: 13.19 ft at 4:00PM Nov 23, 2020Observed: 13.22 ft at 4:15PM Nov 23, 2020Observed: 13.23 ft at 4:30PM Nov 23, 2020Observed: 13.23 ft at 4:45PM Nov 23, 2020Observed: 13.23 ft at 5:00PM Nov 23, 2020Observed: 13.23 ft at 5:15PM Nov 23, 2020Observed: 13.23 ft at 5:30PM Nov 23, 2020Observed: 13.23 ft at 5:45PM Nov 23, 2020Observed: 13.24 ft at 6:00PM Nov 23, 2020Observed: 13.24 ft at 6:15PM Nov 23, 2020Observed: 13.24 ft at 6:30PM Nov 23, 2020Observed: 13.23 ft at 6:45PM Nov 23, 2020Observed: 13.24 ft at 7:00PM Nov 23, 2020Observed: 12.37 ft at 7:15PM Nov 23, 2020Observed: 11.46 ft at 7:30PM Nov 23, 2020Observed: 10.96 ft at 7:45PM Nov 23, 2020Observed: 10.81 ft at 8:00PM Nov 23, 2020Observed: 10.75 ft at 8:15PM Nov 23, 2020Observed: 10.71 ft at 8:30PM Nov 23, 2020Observed: 10.71 ft at 8:45PM Nov 23, 2020Observed: 10.7 ft at 9:00PM Nov 23, 2020Observed: 10.69 ft at 9:15PM Nov 23, 2020Observed: 10.68 ft at 9:30PM Nov 23, 2020Observed: 10.68 ft at 9:45PM Nov 23, 2020Observed: 10.68 ft at 10:00PM Nov 23, 2020Observed: 10.68 ft at 10:15PM Nov 23, 2020Observed: 10.68 ft at 10:30PM Nov 23, 2020Observed: 10.69 ft at 10:45PM Nov 23, 2020Observed: 10.63 ft at 11:00PM Nov 23, 2020Observed: 9.95 ft at 11:15PM Nov 23, 2020Observed: 9.54 ft at 11:30PM Nov 23, 2020Observed: 9.36 ft at 11:45PM Nov 23, 2020Observed: 9.27 ft at 12:00AM Nov 24, 2020Observed: 9.23 ft at 12:15AM Nov 24, 2020Observed: 9.2 ft at 12:30AM Nov 24, 2020Observed: 9.19 ft at 12:45AM Nov 24, 2020Observed: 9.17 ft at 1:00AM Nov 24, 2020Observed: 9.16 ft at 1:15AM Nov 24, 2020Observed: 9.16 ft at 1:30AM Nov 24, 2020Observed: 9.15 ft at 1:45AM Nov 24, 2020Observed: 9.15 ft at 2:00AM Nov 24, 2020Observed: 9.15 ft at 2:15AM Nov 24, 2020Observed: 9.15 ft at 2:30AM Nov 24, 2020Observed: 9.15 ft at 2:45AM Nov 24, 2020Observed: 9.15 ft at 3:00AM Nov 24, 2020Observed: 9.15 ft at 3:15AM Nov 24, 2020Observed: 9.15 ft at 3:30AM Nov 24, 2020Observed: 9.15 ft at 3:45AM Nov 24, 2020Observed: 9.15 ft at 4:00AM Nov 24, 2020Observed: 9.14 ft at 4:15AM Nov 24, 2020Observed: 9.14 ft at 4:30AM Nov 24, 2020Observed: 9.14 ft at 4:45AM Nov 24, 2020Observed: 9.14 ft at 5:00AM Nov 24, 2020Observed: 10.43 ft at 5:15AM Nov 24, 2020Observed: 11.55 ft at 5:30AM Nov 24, 2020Observed: 12.06 ft at 5:45AM Nov 24, 2020Observed: 12.14 ft at 6:00AM Nov 24, 2020Observed: 12.58 ft at 6:15AM Nov 24, 2020Observed: 12.79 ft at 6:30AM Nov 24, 2020Observed: 12.88 ft at 6:45AM Nov 24, 2020Observed: 12.91 ft at 7:00AM Nov 24, 2020Observed: 12.92 ft at 7:15AM Nov 24, 2020Observed: 12.92 ft at 7:30AM Nov 24, 2020Observed: 12.93 ft at 7:45AM Nov 24, 2020Observed: 12.93 ft at 8:00AM Nov 24, 2020Observed: 12.93 ft at 8:15AM Nov 24, 2020Observed: 12.93 ft at 8:30AM Nov 24, 2020Observed: 12.93 ft at 8:45AM Nov 24, 2020Observed: 12.93 ft at 9:00AM Nov 24, 2020Observed: 11.9 ft at 9:15AM Nov 24, 2020Observed: 10.87 ft at 9:30AM Nov 24, 2020USGS--Water Resources of the United StatesCNWM2(plotting HGIRG) Graph Created (10:09AM Nov 24, 2020)ObservedLatest observed value: 10.87 ft at 9:30 AM EST 24-Nov-2020. Flood Stage is 23.5 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EST)
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.

Return to Area Map
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 (P)
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 26.08 ft on 07/26/2018
(2) 32.41 ft on 09/09/2011
(3) 25.12 ft on 04/29/2011
(4) 23.46 ft on 04/19/2011
(5) 21.52 ft on 03/11/2011
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.

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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
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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
(Baltimore/Washington) Sterling Weather Forecast Office
43858 Weather Service Rd.
Sterling, VA 20166
(703) 996-2200
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Page last modified: 30-Oct-2020 4:10 PM
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