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Hydrograph River at a Glance Download
St. Marys River at Decatur Stage (ft)Highest Observation: 4.65 ft at 5:00AM May 17, 2022Highest Observation: 4.65 ft at 5:15AM May 17, 2022Highest Observation: 4.65 ft at 5:30AM May 17, 2022Observed: 4.64 ft at 5:45AM May 17, 2022Observed: 4.59 ft at 6:00AM May 17, 2022Observed: 4.59 ft at 6:15AM May 17, 2022Observed: 4.6 ft at 6:30AM May 17, 2022Observed: 4.6 ft at 6:45AM May 17, 2022Observed: 4.58 ft at 7:00AM May 17, 2022Observed: 4.58 ft at 7:15AM May 17, 2022Observed: 4.58 ft at 7:30AM May 17, 2022Observed: 4.59 ft at 7:45AM May 17, 2022Observed: 4.58 ft at 8:00AM May 17, 2022Observed: 4.57 ft at 8:15AM May 17, 2022Observed: 4.58 ft at 8:30AM May 17, 2022Observed: 4.58 ft at 8:45AM May 17, 2022Observed: 4.58 ft at 9:00AM May 17, 2022Observed: 4.57 ft at 9:15AM May 17, 2022Observed: 4.56 ft at 9:30AM May 17, 2022Observed: 4.55 ft at 9:45AM May 17, 2022Observed: 4.56 ft at 10:00AM May 17, 2022Observed: 4.57 ft at 10:15AM May 17, 2022Observed: 4.55 ft at 10:30AM May 17, 2022Observed: 4.55 ft at 10:45AM May 17, 2022Observed: 4.55 ft at 11:00AM May 17, 2022Observed: 4.55 ft at 11:15AM May 17, 2022Observed: 4.54 ft at 11:30AM May 17, 2022Observed: 4.54 ft at 11:45AM May 17, 2022Observed: 4.52 ft at 12:00PM May 17, 2022Observed: 4.53 ft at 12:15PM May 17, 2022Observed: 4.52 ft at 12:30PM May 17, 2022Observed: 4.53 ft at 12:45PM May 17, 2022Observed: 4.53 ft at 1:00PM May 17, 2022Observed: 4.52 ft at 1:15PM May 17, 2022Observed: 4.52 ft at 1:30PM May 17, 2022Observed: 4.52 ft at 1:45PM May 17, 2022Observed: 4.52 ft at 2:00PM May 17, 2022Observed: 4.51 ft at 2:15PM May 17, 2022Observed: 4.5 ft at 2:30PM May 17, 2022Observed: 4.5 ft at 2:45PM May 17, 2022Observed: 4.49 ft at 3:00PM May 17, 2022Observed: 4.49 ft at 3:15PM May 17, 2022Observed: 4.49 ft at 3:30PM May 17, 2022Observed: 4.48 ft at 3:45PM May 17, 2022Observed: 4.48 ft at 4:00PM May 17, 2022Observed: 4.48 ft at 4:15PM May 17, 2022Observed: 4.46 ft at 4:30PM May 17, 2022Observed: 4.46 ft at 4:45PM May 17, 2022Observed: 4.47 ft at 5:00PM May 17, 2022Observed: 4.47 ft at 5:15PM May 17, 2022Observed: 4.46 ft at 5:30PM May 17, 2022Observed: 4.45 ft at 5:45PM May 17, 2022Observed: 4.45 ft at 6:00PM May 17, 2022Observed: 4.44 ft at 6:15PM May 17, 2022Observed: 4.44 ft at 6:30PM May 17, 2022Observed: 4.44 ft at 6:45PM May 17, 2022Observed: 4.44 ft at 7:00PM May 17, 2022Observed: 4.43 ft at 7:15PM May 17, 2022Observed: 4.43 ft at 7:30PM May 17, 2022Observed: 4.42 ft at 7:45PM May 17, 2022Observed: 4.42 ft at 8:00PM May 17, 2022Observed: 4.42 ft at 8:15PM May 17, 2022Observed: 4.41 ft at 8:30PM May 17, 2022Observed: 4.4 ft at 8:45PM May 17, 2022Observed: 4.4 ft at 9:00PM May 17, 2022Observed: 4.4 ft at 9:15PM May 17, 2022Observed: 4.4 ft at 9:30PM May 17, 2022Observed: 4.4 ft at 9:45PM May 17, 2022Observed: 4.39 ft at 10:00PM May 17, 2022Observed: 4.39 ft at 10:15PM May 17, 2022Observed: 4.39 ft at 10:30PM May 17, 2022Observed: 4.37 ft at 10:45PM May 17, 2022Observed: 4.38 ft at 11:00PM May 17, 2022Observed: 4.38 ft at 11:15PM May 17, 2022Observed: 4.38 ft at 11:30PM May 17, 2022Observed: 4.38 ft at 11:45PM May 17, 2022Observed: 4.38 ft at 12:00AM May 18, 2022Observed: 4.36 ft at 12:15AM May 18, 2022Observed: 4.36 ft at 12:30AM May 18, 2022Observed: 4.36 ft at 12:45AM May 18, 2022Observed: 4.36 ft at 1:00AM May 18, 2022Observed: 4.36 ft at 1:15AM May 18, 2022Observed: 4.36 ft at 1:30AM May 18, 2022Observed: 4.35 ft at 1:45AM May 18, 2022Observed: 4.34 ft at 2:00AM May 18, 2022Observed: 4.34 ft at 2:15AM May 18, 2022Observed: 4.34 ft at 2:30AM May 18, 2022Observed: 4.34 ft at 2:45AM May 18, 2022Observed: 4.33 ft at 3:00AM May 18, 2022Observed: 4.32 ft at 3:15AM May 18, 2022Observed: 4.32 ft at 3:30AM May 18, 2022Observed: 4.33 ft at 3:45AM May 18, 2022Observed: 4.32 ft at 4:00AM May 18, 2022Observed: 4.31 ft at 4:15AM May 18, 2022Observed: 4.31 ft at 4:30AM May 18, 2022Observed: 4.3 ft at 4:45AM May 18, 2022Observed: 4.3 ft at 5:00AM May 18, 2022Observed: 4.3 ft at 5:15AM May 18, 2022Observed: 4.3 ft at 5:30AM May 18, 2022Observed: 4.31 ft at 5:45AM May 18, 2022Observed: 4.3 ft at 6:00AM May 18, 2022Observed: 4.31 ft at 6:15AM May 18, 2022Observed: 4.3 ft at 6:30AM May 18, 2022Observed: 4.31 ft at 6:45AM May 18, 2022Observed: 4.3 ft at 7:00AM May 18, 2022Observed: 4.29 ft at 7:15AM May 18, 2022Observed: 4.29 ft at 7:30AM May 18, 2022Observed: 4.29 ft at 7:45AM May 18, 2022Observed: 4.3 ft at 8:00AM May 18, 2022Observed: 4.3 ft at 8:15AM May 18, 2022Observed: 4.3 ft at 8:30AM May 18, 2022Observed: 4.29 ft at 8:45AM May 18, 2022Observed: 4.29 ft at 9:00AM May 18, 2022Observed: 4.29 ft at 9:15AM May 18, 2022Observed: 4.29 ft at 9:30AM May 18, 2022Observed: 4.28 ft at 9:45AM May 18, 2022Observed: 4.28 ft at 10:00AM May 18, 2022Observed: 4.28 ft at 10:15AM May 18, 2022Observed: 4.29 ft at 10:30AM May 18, 2022Observed: 4.29 ft at 10:45AM May 18, 2022Observed: 4.28 ft at 11:00AM May 18, 2022Observed: 4.27 ft at 11:15AM May 18, 2022Observed: 4.28 ft at 11:30AM May 18, 2022Observed: 4.29 ft at 11:45AM May 18, 2022Observed: 4.3 ft at 12:00PM May 18, 2022Observed: 4.28 ft at 12:15PM May 18, 2022Observed: 4.29 ft at 12:30PM May 18, 2022Observed: 4.29 ft at 12:45PM May 18, 2022Observed: 4.27 ft at 1:00PM May 18, 2022Observed: 4.27 ft at 1:15PM May 18, 2022Observed: 4.27 ft at 1:30PM May 18, 2022Observed: 4.27 ft at 1:45PM May 18, 2022Observed: 4.26 ft at 2:00PM May 18, 2022Observed: 4.25 ft at 2:15PM May 18, 2022Observed: 4.24 ft at 2:30PM May 18, 2022Observed: 4.25 ft at 2:45PM May 18, 2022Observed: 4.25 ft at 3:00PM May 18, 2022Observed: 4.25 ft at 3:15PM May 18, 2022Observed: 4.26 ft at 3:30PM May 18, 2022Observed: 4.26 ft at 3:45PM May 18, 2022Observed: 4.26 ft at 4:00PM May 18, 2022Observed: 4.26 ft at 4:15PM May 18, 2022Observed: 4.26 ft at 4:30PM May 18, 2022Observed: 4.27 ft at 4:45PM May 18, 2022Observed: 4.27 ft at 5:00PM May 18, 2022Observed: 4.27 ft at 5:15PM May 18, 2022Observed: 4.28 ft at 5:30PM May 18, 2022Observed: 4.29 ft at 5:45PM May 18, 2022Observed: 4.3 ft at 6:00PM May 18, 2022Observed: 4.3 ft at 6:15PM May 18, 2022Observed: 4.31 ft at 6:30PM May 18, 2022Observed: 4.31 ft at 6:45PM May 18, 2022Observed: 4.31 ft at 7:00PM May 18, 2022Observed: 4.31 ft at 7:15PM May 18, 2022Observed: 4.31 ft at 7:30PM May 18, 2022Observed: 4.31 ft at 7:45PM May 18, 2022Observed: 4.32 ft at 8:00PM May 18, 2022Observed: 4.31 ft at 8:15PM May 18, 2022Observed: 4.31 ft at 8:30PM May 18, 2022Observed: 4.32 ft at 8:45PM May 18, 2022Observed: 4.31 ft at 9:00PM May 18, 2022Observed: 4.29 ft at 9:15PM May 18, 2022Observed: 4.31 ft at 9:30PM May 18, 2022Observed: 4.3 ft at 9:45PM May 18, 2022Observed: 4.3 ft at 10:00PM May 18, 2022Observed: 4.29 ft at 10:15PM May 18, 2022Observed: 4.3 ft at 10:30PM May 18, 2022Observed: 4.27 ft at 10:45PM May 18, 2022Observed: 4.28 ft at 11:00PM May 18, 2022Observed: 4.28 ft at 11:15PM May 18, 2022Observed: 4.27 ft at 11:30PM May 18, 2022Observed: 4.28 ft at 11:45PM May 18, 2022Observed: 4.27 ft at 12:00AM May 19, 2022Observed: 4.26 ft at 12:15AM May 19, 2022Observed: 4.27 ft at 12:30AM May 19, 2022Observed: 4.27 ft at 12:45AM May 19, 2022Observed: 4.26 ft at 1:00AM May 19, 2022Observed: 4.25 ft at 1:15AM May 19, 2022Observed: 4.26 ft at 1:30AM May 19, 2022Observed: 4.26 ft at 1:45AM May 19, 2022Observed: 4.25 ft at 2:00AM May 19, 2022Observed: 4.24 ft at 2:15AM May 19, 2022Observed: 4.25 ft at 2:30AM May 19, 2022Observed: 4.24 ft at 2:45AM May 19, 2022Observed: 4.24 ft at 3:00AM May 19, 2022Observed: 4.24 ft at 3:15AM May 19, 2022Observed: 4.24 ft at 3:30AM May 19, 2022Observed: 4.23 ft at 3:45AM May 19, 2022Observed: 4.24 ft at 4:00AM May 19, 2022Observed: 4.23 ft at 4:15AM May 19, 2022Observed: 4.23 ft at 4:30AM May 19, 2022Observed: 4.24 ft at 4:45AM May 19, 2022Observed: 4.23 ft at 5:00AM May 19, 2022Observed: 4.23 ft at 5:15AM May 19, 2022Observed: 4.23 ft at 5:30AM May 19, 2022Observed: 4.23 ft at 5:45AM May 19, 2022Observed: 4.23 ft at 6:00AM May 19, 2022Observed: 4.23 ft at 6:15AM May 19, 2022Observed: 4.22 ft at 6:30AM May 19, 2022Observed: 4.22 ft at 6:45AM May 19, 2022Observed: 4.22 ft at 7:00AM May 19, 2022Observed: 4.23 ft at 7:15AM May 19, 2022Observed: 4.22 ft at 7:30AM May 19, 2022Observed: 4.22 ft at 7:45AM May 19, 2022Observed: 4.23 ft at 8:00AM May 19, 2022Observed: 4.22 ft at 8:15AM May 19, 2022Observed: 4.22 ft at 8:30AM May 19, 2022Observed: 4.22 ft at 8:45AM May 19, 2022Observed: 4.21 ft at 9:00AM May 19, 2022Observed: 4.22 ft at 9:15AM May 19, 2022Observed: 4.22 ft at 9:30AM May 19, 2022Observed: 4.22 ft at 9:45AM May 19, 2022Observed: 4.22 ft at 10:00AM May 19, 2022Observed: 4.22 ft at 10:15AM May 19, 2022Observed: 4.22 ft at 10:30AM May 19, 2022Observed: 4.22 ft at 10:45AM May 19, 2022Observed: 4.21 ft at 11:00AM May 19, 2022Observed: 4.21 ft at 11:15AM May 19, 2022Observed: 4.21 ft at 11:30AM May 19, 2022Observed: 4.23 ft at 11:45AM May 19, 2022Observed: 4.21 ft at 12:00PM May 19, 2022Observed: 4.22 ft at 12:15PM May 19, 2022Observed: 4.2 ft at 12:30PM May 19, 2022Observed: 4.21 ft at 12:45PM May 19, 2022Observed: 4.21 ft at 1:00PM May 19, 2022Observed: 4.21 ft at 1:15PM May 19, 2022Observed: 4.21 ft at 1:30PM May 19, 2022Observed: 4.2 ft at 1:45PM May 19, 2022Observed: 4.2 ft at 2:00PM May 19, 2022Observed: 4.21 ft at 2:15PM May 19, 2022Observed: 4.2 ft at 2:30PM May 19, 2022Observed: 4.2 ft at 2:45PM May 19, 2022Observed: 4.21 ft at 3:00PM May 19, 2022Observed: 4.21 ft at 3:15PM May 19, 2022Observed: 4.21 ft at 3:30PM May 19, 2022Observed: 4.21 ft at 3:45PM May 19, 2022Observed: 4.21 ft at 4:00PM May 19, 2022Observed: 4.21 ft at 4:15PM May 19, 2022Observed: 4.21 ft at 4:30PM May 19, 2022Observed: 4.21 ft at 4:45PM May 19, 2022Observed: 4.2 ft at 5:00PM May 19, 2022Observed: 4.21 ft at 5:15PM May 19, 2022Observed: 4.21 ft at 5:30PM May 19, 2022Observed: 4.21 ft at 5:45PM May 19, 2022Observed: 4.21 ft at 6:00PM May 19, 2022Observed: 4.21 ft at 6:15PM May 19, 2022Observed: 4.21 ft at 6:30PM May 19, 2022Observed: 4.21 ft at 6:45PM May 19, 2022Observed: 4.21 ft at 7:00PM May 19, 2022Observed: 4.21 ft at 7:15PM May 19, 2022Observed: 4.22 ft at 7:30PM May 19, 2022Observed: 4.21 ft at 7:45PM May 19, 2022Observed: 4.22 ft at 8:00PM May 19, 2022Observed: 4.21 ft at 8:15PM May 19, 2022Observed: 4.22 ft at 8:30PM May 19, 2022Observed: 4.22 ft at 8:45PM May 19, 2022Observed: 4.21 ft at 9:00PM May 19, 2022Observed: 4.22 ft at 9:15PM May 19, 2022Observed: 4.2 ft at 9:30PM May 19, 2022Observed: 4.21 ft at 9:45PM May 19, 2022Observed: 4.2 ft at 10:00PM May 19, 2022Observed: 4.2 ft at 10:15PM May 19, 2022Observed: 4.21 ft at 10:30PM May 19, 2022Observed: 4.21 ft at 10:45PM May 19, 2022Observed: 4.22 ft at 11:00PM May 19, 2022Observed: 4.22 ft at 11:15PM May 19, 2022Observed: 4.21 ft at 11:30PM May 19, 2022Observed: 4.21 ft at 11:45PM May 19, 2022Observed: 4.21 ft at 12:00AM May 20, 2022Observed: 4.21 ft at 12:15AM May 20, 2022Observed: 4.22 ft at 12:30AM May 20, 2022Observed: 4.22 ft at 12:45AM May 20, 2022Observed: 4.21 ft at 1:00AM May 20, 2022Observed: 4.21 ft at 1:15AM May 20, 2022Observed: 4.21 ft at 1:30AM May 20, 2022Observed: 4.21 ft at 1:45AM May 20, 2022Observed: 4.21 ft at 2:00AM May 20, 2022Observed: 4.2 ft at 2:15AM May 20, 2022Observed: 4.2 ft at 2:30AM May 20, 2022Observed: 4.19 ft at 2:45AM May 20, 2022Observed: 4.19 ft at 3:00AM May 20, 2022Observed: 4.19 ft at 3:15AM May 20, 2022Observed: 4.19 ft at 3:30AM May 20, 2022Observed: 4.19 ft at 3:45AM May 20, 2022Observed: 4.18 ft at 4:00AM May 20, 2022Observed: 4.18 ft at 4:15AM May 20, 2022Observed: 4.18 ft at 4:30AM May 20, 2022Observed: 4.19 ft at 4:45AM May 20, 2022Observed: 4.18 ft at 5:00AM May 20, 2022Observed: 4.17 ft at 5:15AM May 20, 2022Observed: 4.18 ft at 5:30AM May 20, 2022Observed: 4.18 ft at 5:45AM May 20, 2022Observed: 4.18 ft at 6:00AM May 20, 2022Observed: 4.18 ft at 6:15AM May 20, 2022Observed: 4.18 ft at 6:30AM May 20, 2022Observed: 4.18 ft at 6:45AM May 20, 2022Observed: 4.17 ft at 7:00AM May 20, 2022Observed: 4.18 ft at 7:15AM May 20, 2022Observed: 4.17 ft at 7:30AM May 20, 2022Observed: 4.17 ft at 7:45AM May 20, 2022Observed: 4.18 ft at 8:00AM May 20, 2022Observed: 4.16 ft at 8:15AM May 20, 2022Observed: 4.17 ft at 8:30AM May 20, 2022Observed: 4.17 ft at 8:45AM May 20, 2022Observed: 4.17 ft at 9:00AM May 20, 2022Observed: 4.16 ft at 9:15AM May 20, 2022Observed: 4.16 ft at 9:30AM May 20, 2022Observed: 4.15 ft at 9:45AM May 20, 2022Observed: 4.15 ft at 10:00AM May 20, 2022Observed: 4.15 ft at 10:15AM May 20, 2022Observed: 4.15 ft at 10:30AM May 20, 2022Observed: 4.13 ft at 10:45AM May 20, 2022Observed: 4.14 ft at 11:00AM May 20, 2022Observed: 4.14 ft at 11:15AM May 20, 2022Observed: 4.14 ft at 11:30AM May 20, 2022Observed: 4.13 ft at 11:45AM May 20, 2022Observed: 4.13 ft at 12:00PM May 20, 2022Observed: 4.13 ft at 12:15PM May 20, 2022Observed: 4.14 ft at 12:30PM May 20, 2022Observed: 4.14 ft at 12:45PM May 20, 2022Observed: 4.15 ft at 1:00PM May 20, 2022Observed: 4.13 ft at 1:15PM May 20, 2022Observed: 4.13 ft at 1:30PM May 20, 2022Observed: 4.13 ft at 1:45PM May 20, 2022Observed: 4.14 ft at 2:00PM May 20, 2022Observed: 4.13 ft at 2:15PM May 20, 2022Observed: 4.13 ft at 2:30PM May 20, 2022Observed: 4.14 ft at 2:45PM May 20, 2022Observed: 4.12 ft at 3:00PM May 20, 2022Observed: 4.13 ft at 3:15PM May 20, 2022Observed: 4.13 ft at 3:30PM May 20, 2022Observed: 4.13 ft at 3:45PM May 20, 2022Observed: 4.12 ft at 4:00PM May 20, 2022Observed: 4.13 ft at 4:15PM May 20, 2022Observed: 4.12 ft at 4:30PM May 20, 2022Observed: 4.11 ft at 4:45PM May 20, 2022Observed: 4.11 ft at 5:00PM May 20, 2022Observed: 4.13 ft at 5:15PM May 20, 2022Observed: 4.11 ft at 5:30PM May 20, 2022Observed: 4.11 ft at 5:45PM May 20, 2022Observed: 4.1 ft at 6:00PM May 20, 2022Observed: 4.13 ft at 6:15PM May 20, 2022Observed: 4.13 ft at 6:30PM May 20, 2022Observed: 4.13 ft at 6:45PM May 20, 2022Observed: 4.1 ft at 7:00PM May 20, 2022Observed: 4.11 ft at 7:15PM May 20, 2022Observed: 4.1 ft at 7:30PM May 20, 2022Observed: 4.12 ft at 7:45PM May 20, 2022Observed: 4.1 ft at 8:00PM May 20, 2022Observed: 4.09 ft at 8:15PM May 20, 2022Observed: 4.09 ft at 8:30PM May 20, 2022Observed: 4.08 ft at 8:45PM May 20, 2022Observed: 4.09 ft at 9:00PM May 20, 2022Observed: 4.07 ft at 9:15PM May 20, 2022Observed: 4.08 ft at 9:30PM May 20, 2022Observed: 4.07 ft at 9:45PM May 20, 2022Observed: 4.07 ft at 10:00PM May 20, 2022Observed: 4.06 ft at 10:15PM May 20, 2022Observed: 4.06 ft at 10:30PM May 20, 2022Observed: 4.06 ft at 10:45PM May 20, 2022Observed: 4.07 ft at 11:00PM May 20, 2022Observed: 4.06 ft at 11:15PM May 20, 2022Observed: 4.05 ft at 11:30PM May 20, 2022Observed: 4.06 ft at 11:45PM May 20, 2022Observed: 4.05 ft at 12:00AM May 21, 2022Observed: 4.05 ft at 12:15AM May 21, 2022Observed: 4.05 ft at 12:30AM May 21, 2022Observed: 4.08 ft at 12:45AM May 21, 2022Observed: 4.05 ft at 1:00AM May 21, 2022Observed: 4.04 ft at 1:15AM May 21, 2022Observed: 4.04 ft at 1:30AM May 21, 2022Observed: 4.04 ft at 1:45AM May 21, 2022Observed: 4.04 ft at 2:00AM May 21, 2022Observed: 4.04 ft at 2:15AM May 21, 2022Observed: 4.03 ft at 2:30AM May 21, 2022Observed: 4.04 ft at 2:45AM May 21, 2022Observed: 4.03 ft at 3:00AM May 21, 2022Observed: 4.04 ft at 3:15AM May 21, 2022Observed: 4.03 ft at 3:30AM May 21, 2022Observed: 4.03 ft at 3:45AM May 21, 2022Observed: 4.02 ft at 4:00AM May 21, 2022Observed: 4.03 ft at 4:15AM May 21, 2022Observed: 4.04 ft at 4:30AM May 21, 2022Observed: 4.02 ft at 4:45AM May 21, 2022Observed: 4.02 ft at 5:00AM May 21, 2022Observed: 4.02 ft at 5:15AM May 21, 2022Observed: 4.01 ft at 5:30AM May 21, 2022Observed: 4.01 ft at 5:45AM May 21, 2022Observed: 4.01 ft at 6:00AM May 21, 2022Observed: 4.01 ft at 6:15AM May 21, 2022Observed: 4.01 ft at 6:30AM May 21, 2022Observed: 4.01 ft at 6:45AM May 21, 2022Observed: 4.01 ft at 7:00AM May 21, 2022Observed: 4.01 ft at 7:15AM May 21, 2022Observed: 4 ft at 7:30AM May 21, 2022Observed: 4 ft at 7:45AM May 21, 2022Observed: 3.99 ft at 8:00AM May 21, 2022Observed: 3.98 ft at 8:15AM May 21, 2022Observed: 4 ft at 8:30AM May 21, 2022Observed: 4.01 ft at 8:45AM May 21, 2022Observed: 4.03 ft at 9:00AM May 21, 2022Observed: 4.01 ft at 9:15AM May 21, 2022Observed: 4.05 ft at 9:30AM May 21, 2022Observed: 4.02 ft at 9:45AM May 21, 2022Observed: 4.04 ft at 10:00AM May 21, 2022Observed: 4.04 ft at 10:15AM May 21, 2022Observed: 4.07 ft at 10:30AM May 21, 2022Observed: 4.02 ft at 10:45AM May 21, 2022Observed: 4.02 ft at 11:00AM May 21, 2022Observed: 4.02 ft at 11:15AM May 21, 2022Observed: 4.03 ft at 11:30AM May 21, 2022Observed: 4.03 ft at 11:45AM May 21, 2022Observed: 4.02 ft at 12:00PM May 21, 2022Observed: 4.03 ft at 12:15PM May 21, 2022Observed: 4.02 ft at 12:30PM May 21, 2022Observed: 4.02 ft at 12:45PM May 21, 2022Observed: 4.02 ft at 1:00PM May 21, 2022Observed: 4.01 ft at 1:15PM May 21, 2022Observed: 4.01 ft at 1:30PM May 21, 2022Observed: 4 ft at 1:45PM May 21, 2022Observed: 4 ft at 2:00PM May 21, 2022Observed: 4.01 ft at 2:15PM May 21, 2022Observed: 4 ft at 2:30PM May 21, 2022Observed: 4 ft at 2:45PM May 21, 2022Observed: 3.99 ft at 3:00PM May 21, 2022Observed: 4 ft at 3:15PM May 21, 2022Observed: 4.01 ft at 3:30PM May 21, 2022Observed: 3.99 ft at 3:45PM May 21, 2022Observed: 4.01 ft at 4:00PM May 21, 2022Observed: 4 ft at 4:15PM May 21, 2022Observed: 4 ft at 4:30PM May 21, 2022Observed: 3.99 ft at 4:45PM May 21, 2022Observed: 3.99 ft at 5:00PM May 21, 2022Observed: 3.99 ft at 5:15PM May 21, 2022Observed: 3.99 ft at 5:30PM May 21, 2022Observed: 3.99 ft at 5:45PM May 21, 2022Observed: 3.99 ft at 6:00PM May 21, 2022Observed: 3.99 ft at 6:15PM May 21, 2022Observed: 3.99 ft at 6:30PM May 21, 2022Observed: 3.99 ft at 6:45PM May 21, 2022Observed: 3.97 ft at 7:00PM May 21, 2022Observed: 3.97 ft at 7:15PM May 21, 2022Observed: 3.96 ft at 7:30PM May 21, 2022Observed: 3.96 ft at 7:45PM May 21, 2022Observed: 3.97 ft at 8:00PM May 21, 2022Observed: 3.96 ft at 8:15PM May 21, 2022Observed: 3.96 ft at 8:30PM May 21, 2022Observed: 3.97 ft at 8:45PM May 21, 2022Observed: 3.97 ft at 9:00PM May 21, 2022Observed: 3.96 ft at 9:15PM May 21, 2022Observed: 3.98 ft at 9:30PM May 21, 2022Observed: 3.96 ft at 9:45PM May 21, 2022Observed: 3.95 ft at 10:00PM May 21, 2022Observed: 3.97 ft at 10:15PM May 21, 2022Observed: 3.95 ft at 10:30PM May 21, 2022Observed: 3.97 ft at 10:45PM May 21, 2022Observed: 3.95 ft at 11:00PM May 21, 2022Observed: 3.96 ft at 11:15PM May 21, 2022Observed: 3.95 ft at 11:30PM May 21, 2022Observed: 3.97 ft at 11:45PM May 21, 2022Observed: 3.96 ft at 12:00AM May 22, 2022Observed: 3.96 ft at 12:15AM May 22, 2022Observed: 3.94 ft at 12:30AM May 22, 2022Observed: 3.95 ft at 12:45AM May 22, 2022Observed: 3.94 ft at 1:00AM May 22, 2022Observed: 3.96 ft at 1:15AM May 22, 2022Observed: 3.95 ft at 1:30AM May 22, 2022Observed: 3.94 ft at 1:45AM May 22, 2022Observed: 3.95 ft at 2:00AM May 22, 2022Observed: 3.92 ft at 2:15AM May 22, 2022Observed: 3.94 ft at 2:30AM May 22, 2022Observed: 3.94 ft at 2:45AM May 22, 2022Observed: 3.93 ft at 3:00AM May 22, 2022Observed: 3.95 ft at 3:15AM May 22, 2022Observed: 3.93 ft at 3:30AM May 22, 2022Observed: 3.94 ft at 3:45AM May 22, 2022Observed: 3.92 ft at 4:00AM May 22, 2022Observed: 3.92 ft at 4:15AM May 22, 2022Observed: 3.93 ft at 4:30AM May 22, 2022Observed: 3.93 ft at 4:45AM May 22, 2022Observed: 3.92 ft at 5:00AM May 22, 2022Observed: 3.94 ft at 5:15AM May 22, 2022Observed: 3.92 ft at 5:30AM May 22, 2022Observed: 3.94 ft at 5:45AM May 22, 2022Observed: 3.92 ft at 6:00AM May 22, 2022Observed: 3.92 ft at 6:15AM May 22, 2022Observed: 3.92 ft at 6:30AM May 22, 2022Observed: 3.93 ft at 6:45AM May 22, 2022Observed: 3.93 ft at 7:00AM May 22, 2022Observed: 3.91 ft at 7:15AM May 22, 2022Observed: 3.93 ft at 7:30AM May 22, 2022Observed: 3.91 ft at 7:45AM May 22, 2022Observed: 3.91 ft at 8:00AM May 22, 2022Observed: 3.92 ft at 8:15AM May 22, 2022Observed: 3.92 ft at 8:30AM May 22, 2022Observed: 3.91 ft at 8:45AM May 22, 2022Observed: 3.91 ft at 9:00AM May 22, 2022Observed: 3.93 ft at 9:15AM May 22, 2022Observed: 3.92 ft at 9:30AM May 22, 2022Observed: 3.91 ft at 9:45AM May 22, 2022Observed: 3.91 ft at 10:00AM May 22, 2022Observed: 3.9 ft at 10:15AM May 22, 2022Observed: 3.91 ft at 10:30AM May 22, 2022Observed: 3.91 ft at 10:45AM May 22, 2022Observed: 3.91 ft at 11:00AM May 22, 2022Observed: 3.9 ft at 11:15AM May 22, 2022Observed: 3.92 ft at 11:30AM May 22, 2022Observed: 3.91 ft at 11:45AM May 22, 2022Observed: 3.9 ft at 12:00PM May 22, 2022Observed: 3.92 ft at 12:15PM May 22, 2022Observed: 3.92 ft at 12:30PM May 22, 2022Observed: 3.9 ft at 12:45PM May 22, 2022Observed: 3.91 ft at 1:00PM May 22, 2022Observed: 3.9 ft at 1:15PM May 22, 2022Observed: 3.9 ft at 1:30PM May 22, 2022Observed: 3.89 ft at 1:45PM May 22, 2022Observed: 3.91 ft at 2:00PM May 22, 2022Observed: 3.91 ft at 2:15PM May 22, 2022Observed: 3.89 ft at 2:30PM May 22, 2022Observed: 3.91 ft at 2:45PM May 22, 2022Observed: 3.91 ft at 3:00PM May 22, 2022Observed: 3.89 ft at 3:15PM May 22, 2022Observed: 3.88 ft at 3:30PM May 22, 2022Observed: 3.89 ft at 3:45PM May 22, 2022Observed: 3.91 ft at 4:00PM May 22, 2022Observed: 3.89 ft at 4:15PM May 22, 2022Observed: 3.89 ft at 4:30PM May 22, 2022Observed: 3.89 ft at 4:45PM May 22, 2022Observed: 3.89 ft at 5:00PM May 22, 2022Observed: 3.9 ft at 5:15PM May 22, 2022Observed: 3.88 ft at 5:30PM May 22, 2022Observed: 3.88 ft at 5:45PM May 22, 2022Observed: 3.9 ft at 6:00PM May 22, 2022Observed: 3.9 ft at 6:15PM May 22, 2022Observed: 3.91 ft at 6:30PM May 22, 2022Observed: 3.88 ft at 6:45PM May 22, 2022Observed: 3.9 ft at 7:00PM May 22, 2022Observed: 3.89 ft at 7:15PM May 22, 2022Observed: 3.9 ft at 7:30PM May 22, 2022Observed: 3.89 ft at 7:45PM May 22, 2022Observed: 3.9 ft at 8:00PM May 22, 2022Observed: 3.9 ft at 8:15PM May 22, 2022Observed: 3.89 ft at 8:30PM May 22, 2022Observed: 3.89 ft at 8:45PM May 22, 2022Observed: 3.89 ft at 9:00PM May 22, 2022Observed: 3.9 ft at 9:15PM May 22, 2022Observed: 3.9 ft at 9:30PM May 22, 2022Observed: 3.9 ft at 9:45PM May 22, 2022Observed: 3.89 ft at 10:00PM May 22, 2022Observed: 3.89 ft at 10:15PM May 22, 2022Observed: 3.88 ft at 10:30PM May 22, 2022Observed: 3.89 ft at 10:45PM May 22, 2022Observed: 3.88 ft at 11:00PM May 22, 2022Observed: 3.88 ft at 11:15PM May 22, 2022Observed: 3.88 ft at 11:30PM May 22, 2022Observed: 3.88 ft at 11:45PM May 22, 2022Observed: 3.88 ft at 12:00AM May 23, 2022Observed: 3.88 ft at 12:15AM May 23, 2022Observed: 3.89 ft at 12:30AM May 23, 2022Observed: 3.89 ft at 12:45AM May 23, 2022Observed: 3.88 ft at 1:00AM May 23, 2022Observed: 3.89 ft at 1:15AM May 23, 2022Observed: 3.89 ft at 1:30AM May 23, 2022Observed: 3.88 ft at 1:45AM May 23, 2022Observed: 3.87 ft at 2:00AM May 23, 2022Observed: 3.87 ft at 2:15AM May 23, 2022Observed: 3.86 ft at 2:30AM May 23, 2022Observed: 3.88 ft at 2:45AM May 23, 2022Observed: 3.88 ft at 3:00AM May 23, 2022Observed: 3.87 ft at 3:15AM May 23, 2022Observed: 3.87 ft at 3:30AM May 23, 2022Observed: 3.88 ft at 3:45AM May 23, 2022Observed: 3.88 ft at 4:00AM May 23, 2022Observed: 3.87 ft at 4:15AM May 23, 2022Observed: 3.87 ft at 4:30AM May 23, 2022Observed: 3.85 ft at 4:45AM May 23, 2022Observed: 3.85 ft at 5:00AM May 23, 2022Observed: 3.85 ft at 5:15AM May 23, 2022Observed: 3.85 ft at 5:30AM May 23, 2022Observed: 3.85 ft at 5:45AM May 23, 2022Observed: 3.84 ft at 6:00AM May 23, 2022Observed: 3.85 ft at 6:15AM May 23, 2022Observed: 3.84 ft at 6:30AM May 23, 2022Observed: 3.84 ft at 6:45AM May 23, 2022Observed: 3.84 ft at 7:00AM May 23, 2022Observed: 3.85 ft at 7:15AM May 23, 2022Observed: 3.84 ft at 7:30AM May 23, 2022Observed: 3.84 ft at 7:45AM May 23, 2022Observed: 3.84 ft at 8:00AM May 23, 2022Observed: 3.83 ft at 8:15AM May 23, 2022Observed: 3.84 ft at 8:30AM May 23, 2022Observed: 3.85 ft at 8:45AM May 23, 2022Observed: 3.84 ft at 9:00AM May 23, 2022Observed: 3.85 ft at 9:15AM May 23, 2022Observed: 3.84 ft at 9:30AM May 23, 2022Observed: 3.84 ft at 9:45AM May 23, 2022Observed: 3.84 ft at 10:00AM May 23, 2022Observed: 3.85 ft at 10:15AM May 23, 2022Observed: 3.85 ft at 10:30AM May 23, 2022Observed: 3.85 ft at 10:45AM May 23, 2022Observed: 3.85 ft at 11:00AM May 23, 2022Observed: 3.85 ft at 11:15AM May 23, 2022Observed: 3.86 ft at 11:30AM May 23, 2022Observed: 3.86 ft at 11:45AM May 23, 2022Observed: 3.86 ft at 12:00PM May 23, 2022Observed: 3.87 ft at 12:15PM May 23, 2022Observed: 3.88 ft at 12:30PM May 23, 2022Observed: 3.88 ft at 12:45PM May 23, 2022Observed: 3.89 ft at 1:00PM May 23, 2022Observed: 3.88 ft at 1:15PM May 23, 2022Observed: 3.88 ft at 1:30PM May 23, 2022Observed: 3.88 ft at 1:45PM May 23, 2022Observed: 3.88 ft at 2:00PM May 23, 2022Observed: 3.88 ft at 2:15PM May 23, 2022Observed: 3.88 ft at 2:30PM May 23, 2022Observed: 3.87 ft at 2:45PM May 23, 2022Observed: 3.87 ft at 3:00PM May 23, 2022Observed: 3.87 ft at 3:15PM May 23, 2022Observed: 3.87 ft at 3:30PM May 23, 2022Observed: 3.87 ft at 3:45PM May 23, 2022Observed: 3.87 ft at 4:00PM May 23, 2022Observed: 3.87 ft at 4:15PM May 23, 2022Observed: 3.87 ft at 4:30PM May 23, 2022Observed: 3.87 ft at 4:45PM May 23, 2022Observed: 3.86 ft at 5:00PM May 23, 2022Observed: 3.86 ft at 5:15PM May 23, 2022Observed: 3.87 ft at 5:30PM May 23, 2022Observed: 3.88 ft at 5:45PM May 23, 2022Observed: 3.87 ft at 6:00PM May 23, 2022Observed: 3.86 ft at 6:15PM May 23, 2022Observed: 3.86 ft at 6:30PM May 23, 2022Observed: 3.86 ft at 6:45PM May 23, 2022Observed: 3.87 ft at 7:00PM May 23, 2022Observed: 3.87 ft at 7:15PM May 23, 2022Observed: 3.86 ft at 7:30PM May 23, 2022Observed: 3.86 ft at 7:45PM May 23, 2022Observed: 3.86 ft at 8:00PM May 23, 2022Observed: 3.87 ft at 8:15PM May 23, 2022Observed: 3.86 ft at 8:30PM May 23, 2022Observed: 3.87 ft at 8:45PM May 23, 2022Observed: 3.86 ft at 9:00PM May 23, 2022Observed: 3.87 ft at 9:15PM May 23, 2022Observed: 3.86 ft at 9:30PM May 23, 2022Observed: 3.87 ft at 9:45PM May 23, 2022Observed: 3.86 ft at 10:00PM May 23, 2022Observed: 3.86 ft at 10:15PM May 23, 2022Observed: 3.86 ft at 10:30PM May 23, 2022Observed: 3.83 ft at 10:45PM May 23, 2022Observed: 3.83 ft at 11:00PM May 23, 2022Observed: 3.84 ft at 11:15PM May 23, 2022Observed: 3.84 ft at 11:30PM May 23, 2022Observed: 3.84 ft at 11:45PM May 23, 2022Observed: 3.85 ft at 12:00AM May 24, 2022Observed: 3.84 ft at 12:15AM May 24, 2022Observed: 3.84 ft at 12:30AM May 24, 2022Observed: 3.84 ft at 12:45AM May 24, 2022Observed: 3.84 ft at 1:00AM May 24, 2022Observed: 3.85 ft at 1:15AM May 24, 2022Observed: 3.85 ft at 1:30AM May 24, 2022Observed: 3.84 ft at 1:45AM May 24, 2022Observed: 3.85 ft at 2:00AM May 24, 2022Observed: 3.84 ft at 2:15AM May 24, 2022Observed: 3.85 ft at 2:30AM May 24, 2022Observed: 3.85 ft at 2:45AM May 24, 2022Observed: 3.84 ft at 3:00AM May 24, 2022Observed: 3.84 ft at 3:15AM May 24, 2022Observed: 3.84 ft at 3:30AM May 24, 2022Observed: 3.84 ft at 3:45AM May 24, 2022Observed: 3.85 ft at 4:00AM May 24, 2022Jump to USGS siteDCRI3(plotting HGIRG) Graph Created (4:53AM May 24, 2022)ObservedLatest observed value: 3.85 ft at 4:00 AM EDT 24-May-2022. Flood Stage is 17 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 48 hours into the future from the forecast issuance time.

Reliability of the Forecast: Based on unobstructed flow

NOTE: Forecasts for the St. Marys River at Decatur are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Pleasant Mills Upstream Gauge Downstream Gauge Downstream Gauge - near Fort Wayne
Flood Categories (in feet)
Major Flood Stage: 24
Moderate Flood Stage: 20
Flood Stage: 17
Action Stage: 13
Low Stage (in feet): -9999

Historic Crests
(1) 26.92 ft on 07/09/2003
(2) 25.11 ft on 06/18/2015
(3) 24.40 ft on 03/14/1982
(4) 24.31 ft on 02/25/1985
(5) 24.22 ft on 02/10/1959
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 18.85 ft on 05/11/2021 (P)
(2) 18.92 ft on 01/12/2020
(3) 21.58 ft on 04/28/2019
(4) 18.17 ft on 02/25/2018
(5) 21.68 ft on 05/26/2017
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.35 ft on 01/29/2000
(2) 2.35 ft on 01/30/2000
(3) 2.40 ft on 01/31/2000
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:16
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Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
30.6 Flood water begins to hit the bottom of the bridge at the gage site.
27.5 Flood water reaches the 100 year flood level.
26.5 Record flooding is in progress. Evacuations are necessary in Decatur, Indiana and Wilshire, Ohio. Serious flooding of the Central Soya Plant can be expected along with widespread flooding and disruption of land transportation.
24.5 Major flooding is in progress with water at the top of the levee protecting the Central Soya Plant. US Highway 33 near Willshire, Ohio begins to flood. Extensive flooding of the east side of Decatur along with Bellmont High School occurs. Evacuations become necessary.
23.5 Many east side city streets and county roads are flooded. Evacuation of east side residents near Bellmont High School becomes necessary.
23 Portions of Ohio Routes 33, 49 and 81 are closed near Willshire.
22.5 Piqua Road begins to flood at Decatur. Evacuations begin on Ogg Street. Ohio State Route 49 near Willshire becomes flooded.
21.5 High water affects Piqua Rd...Ohio State Route 49 near the state line along with east side Decatur streets. Residential flooding begins on East Jackson and Ogg Streets. Bellmont High School grounds begin flooding.
20.5 Indiana 101 north of Pleasant Mills is closed by flood water. Extensive agricultural flooding is in progress. Residents of the east and southeast side of Decatur become concerned.
19.5 Flooding expands into more farm land in the Decatur area. Flood waters approach Piqua Road...Ohio State Route 49 and Indiana 101 just north of Pleasant Mills. Flood water begins to cross Ohio highway 49 north of Willshire, Ohio.
18.8 Flood water begins to cross Ohio Highway 49 north of Willshire, Ohio.
18.5 County Road 225 North...just north of Pleasant Mills Indiana is closed by flood water. Low land areas of Kekionga Park on the southeast side of Decatur begin flooding. Flooding is limited to farm land in Pleasant Mills Indiana and Willshire Ohio.
17.5 County road 225 north of Pleasant Mills is flooded. Agricultural land flooding increases in northern...central and eastern Adams County.
17 Agricultural flooding occurs along the river in northern...central and eastern Adams County.
Photos
(1) Record flood in July 2003 around Decatur Indiana
(2) More pictures of the record flooding that occurred in July 2003 around Decatur Indiana
(3) More pictures of the record flooding in July 2003
(4) More pictures of the record flooding in July 2003
(5) More pictures of the record flooding in July 2003
(6) More pictures of the record flooding in July 2003
About This Location Collapse

Latitude: 40.848100° N, Longitude: 84.937700° W, Horizontal Datum: NAD27

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 17 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 760.12 ft 777.12 ft 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
Gauge zero transitioned from 760.44 NGVD29 to 760.12 NAVD88 on July 17, 2012. Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 10 Day (NAEFS) River Forecast VS. River Potential
HEFS Ensemble NAEFS Ensemble Outlook vs. Forecast

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

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