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Hydrograph River at a Glance Download
Big River at Irondale Stage (ft)Flow (kcfs)Observed: 2.24 ft at 7:00PM May 13, 2022Observed: 2.21 ft at 7:15PM May 13, 2022Observed: 2.24 ft at 7:30PM May 13, 2022Observed: 2.21 ft at 7:45PM May 13, 2022Observed: 2.24 ft at 8:00PM May 13, 2022Observed: 2.21 ft at 8:15PM May 13, 2022Observed: 2.23 ft at 8:30PM May 13, 2022Observed: 2.2 ft at 8:45PM May 13, 2022Observed: 2.21 ft at 9:00PM May 13, 2022Observed: 2.18 ft at 9:15PM May 13, 2022Observed: 2.21 ft at 9:30PM May 13, 2022Observed: 2.23 ft at 9:45PM May 13, 2022Observed: 2.19 ft at 10:00PM May 13, 2022Observed: 2.2 ft at 10:15PM May 13, 2022Observed: 2.21 ft at 10:30PM May 13, 2022Observed: 2.18 ft at 10:45PM May 13, 2022Observed: 2.19 ft at 11:00PM May 13, 2022Observed: 2.21 ft at 11:15PM May 13, 2022Observed: 2.17 ft at 11:30PM May 13, 2022Observed: 2.18 ft at 11:45PM May 13, 2022Observed: 2.19 ft at 12:00AM May 14, 2022Observed: 2.21 ft at 12:15AM May 14, 2022Observed: 2.16 ft at 12:30AM May 14, 2022Observed: 2.19 ft at 12:45AM May 14, 2022Observed: 2.2 ft at 1:00AM May 14, 2022Observed: 2.16 ft at 1:15AM May 14, 2022Observed: 2.19 ft at 1:30AM May 14, 2022Observed: 2.2 ft at 1:45AM May 14, 2022Observed: 2.14 ft at 2:00AM May 14, 2022Observed: 2.17 ft at 2:15AM May 14, 2022Observed: 2.18 ft at 2:30AM May 14, 2022Observed: 2.19 ft at 2:45AM May 14, 2022Observed: 2.19 ft at 3:00AM May 14, 2022Observed: 2.14 ft at 3:15AM May 14, 2022Observed: 2.17 ft at 3:30AM May 14, 2022Observed: 2.14 ft at 3:45AM May 14, 2022Observed: 2.17 ft at 4:00AM May 14, 2022Observed: 2.16 ft at 4:15AM May 14, 2022Observed: 2.17 ft at 4:30AM May 14, 2022Observed: 2.18 ft at 4:45AM May 14, 2022Observed: 2.14 ft at 5:00AM May 14, 2022Observed: 2.17 ft at 5:15AM May 14, 2022Observed: 2.12 ft at 5:30AM May 14, 2022Observed: 2.14 ft at 5:45AM May 14, 2022Observed: 2.12 ft at 6:00AM May 14, 2022Observed: 2.17 ft at 6:15AM May 14, 2022Observed: 2.17 ft at 6:30AM May 14, 2022Observed: 2.17 ft at 6:45AM May 14, 2022Observed: 2.16 ft at 7:00AM May 14, 2022Observed: 2.13 ft at 7:15AM May 14, 2022Observed: 2.16 ft at 7:30AM May 14, 2022Observed: 2.15 ft at 7:45AM May 14, 2022Observed: 2.12 ft at 8:00AM May 14, 2022Observed: 2.14 ft at 8:15AM May 14, 2022Observed: 2.15 ft at 8:30AM May 14, 2022Observed: 2.15 ft at 8:45AM May 14, 2022Observed: 2.14 ft at 9:00AM May 14, 2022Observed: 2.17 ft at 9:15AM May 14, 2022Observed: 1.72 ft at 12:15PM May 17, 2022Observed: 1.72 ft at 12:30PM May 17, 2022Observed: 1.71 ft at 12:45PM May 17, 2022Observed: 1.71 ft at 1:00PM May 17, 2022Observed: 1.71 ft at 1:15PM May 17, 2022Observed: 1.71 ft at 1:30PM May 17, 2022Observed: 1.71 ft at 1:45PM May 17, 2022Observed: 1.71 ft at 2:00PM May 17, 2022Observed: 1.71 ft at 2:15PM May 17, 2022Observed: 1.71 ft at 2:30PM May 17, 2022Observed: 1.71 ft at 2:45PM May 17, 2022Observed: 1.71 ft at 3:00PM May 17, 2022Observed: 1.71 ft at 3:15PM May 17, 2022Observed: 1.71 ft at 3:30PM May 17, 2022Observed: 1.71 ft at 3:45PM May 17, 2022Observed: 1.71 ft at 4:00PM May 17, 2022Observed: 1.71 ft at 4:15PM May 17, 2022Observed: 1.71 ft at 4:30PM May 17, 2022Observed: 1.7 ft at 4:45PM May 17, 2022Observed: 1.71 ft at 5:00PM May 17, 2022Observed: 1.71 ft at 5:15PM May 17, 2022Observed: 1.7 ft at 5:30PM May 17, 2022Observed: 1.7 ft at 5:45PM May 17, 2022Observed: 1.7 ft at 6:00PM May 17, 2022Observed: 1.7 ft at 6:15PM May 17, 2022Observed: 1.7 ft at 6:30PM May 17, 2022Observed: 1.7 ft at 6:45PM May 17, 2022Observed: 1.7 ft at 7:00PM May 17, 2022Observed: 1.7 ft at 7:15PM May 17, 2022Observed: 1.7 ft at 7:30PM May 17, 2022Observed: 1.69 ft at 7:45PM May 17, 2022Observed: 1.69 ft at 8:00PM May 17, 2022Observed: 1.69 ft at 8:15PM May 17, 2022Observed: 1.69 ft at 8:30PM May 17, 2022Observed: 1.69 ft at 8:45PM May 17, 2022Observed: 1.69 ft at 9:00PM May 17, 2022Observed: 1.68 ft at 9:15PM May 17, 2022Observed: 1.69 ft at 9:30PM May 17, 2022Observed: 1.68 ft at 9:45PM May 17, 2022Observed: 1.68 ft at 10:00PM May 17, 2022Observed: 1.68 ft at 10:15PM May 17, 2022Observed: 1.68 ft at 10:30PM May 17, 2022Observed: 1.68 ft at 10:45PM May 17, 2022Observed: 1.68 ft at 11:00PM May 17, 2022Observed: 1.67 ft at 11:15PM May 17, 2022Observed: 1.67 ft at 11:30PM May 17, 2022Observed: 1.67 ft at 11:45PM May 17, 2022Observed: 1.67 ft at 12:00AM May 18, 2022Observed: 1.67 ft at 12:15AM May 18, 2022Observed: 1.67 ft at 12:30AM May 18, 2022Observed: 1.67 ft at 12:45AM May 18, 2022Observed: 1.66 ft at 1:00AM May 18, 2022Observed: 1.67 ft at 1:15AM May 18, 2022Observed: 1.66 ft at 1:30AM May 18, 2022Observed: 1.66 ft at 1:45AM May 18, 2022Observed: 1.66 ft at 2:00AM May 18, 2022Observed: 1.66 ft at 2:15AM May 18, 2022Observed: 1.66 ft at 2:30AM May 18, 2022Observed: 1.66 ft at 2:45AM May 18, 2022Observed: 1.66 ft at 3:00AM May 18, 2022Observed: 1.65 ft at 3:15AM May 18, 2022Observed: 1.66 ft at 3:30AM May 18, 2022Observed: 1.65 ft at 3:45AM May 18, 2022Observed: 1.65 ft at 4:00AM May 18, 2022Observed: 1.65 ft at 4:15AM May 18, 2022Observed: 1.65 ft at 4:30AM May 18, 2022Observed: 1.65 ft at 4:45AM May 18, 2022Observed: 1.65 ft at 5:00AM May 18, 2022Observed: 1.65 ft at 5:15AM May 18, 2022Observed: 1.65 ft at 5:30AM May 18, 2022Observed: 1.65 ft at 5:45AM May 18, 2022Observed: 1.65 ft at 6:00AM May 18, 2022Observed: 1.65 ft at 6:15AM May 18, 2022Observed: 1.65 ft at 6:30AM May 18, 2022Observed: 1.65 ft at 6:45AM May 18, 2022Observed: 1.65 ft at 7:00AM May 18, 2022Observed: 1.65 ft at 7:15AM May 18, 2022Observed: 1.66 ft at 7:30AM May 18, 2022Observed: 1.65 ft at 7:45AM May 18, 2022Observed: 1.65 ft at 8:00AM May 18, 2022Observed: 1.65 ft at 8:15AM May 18, 2022Observed: 1.65 ft at 8:30AM May 18, 2022Observed: 1.66 ft at 8:45AM May 18, 2022Observed: 1.66 ft at 9:00AM May 18, 2022Observed: 1.66 ft at 9:15AM May 18, 2022Observed: 1.66 ft at 9:30AM May 18, 2022Observed: 1.66 ft at 9:45AM May 18, 2022Observed: 1.66 ft at 10:00AM May 18, 2022Observed: 1.66 ft at 10:15AM May 18, 2022Observed: 1.66 ft at 10:30AM May 18, 2022Observed: 1.66 ft at 10:45AM May 18, 2022Observed: 1.66 ft at 11:00AM May 18, 2022Observed: 1.66 ft at 11:15AM May 18, 2022Observed: 1.66 ft at 11:30AM May 18, 2022Observed: 1.66 ft at 11:45AM May 18, 2022Observed: 1.66 ft at 12:00PM May 18, 2022Observed: 1.66 ft at 12:15PM May 18, 2022Observed: 1.66 ft at 12:30PM May 18, 2022Observed: 1.66 ft at 12:45PM May 18, 2022Observed: 1.66 ft at 1:00PM May 18, 2022Observed: 1.66 ft at 1:15PM May 18, 2022Observed: 1.66 ft at 1:30PM May 18, 2022Observed: 1.66 ft at 1:45PM May 18, 2022Observed: 1.66 ft at 2:00PM May 18, 2022Observed: 1.66 ft at 2:15PM May 18, 2022Observed: 1.66 ft at 2:30PM May 18, 2022Observed: 1.66 ft at 2:45PM May 18, 2022Observed: 1.66 ft at 3:00PM May 18, 2022Observed: 1.66 ft at 3:15PM May 18, 2022Observed: 1.66 ft at 3:30PM May 18, 2022Observed: 1.66 ft at 3:45PM May 18, 2022Observed: 1.65 ft at 4:00PM May 18, 2022Observed: 1.65 ft at 4:15PM May 18, 2022Observed: 1.65 ft at 4:30PM May 18, 2022Observed: 1.65 ft at 4:45PM May 18, 2022Observed: 1.65 ft at 5:00PM May 18, 2022Observed: 1.65 ft at 5:15PM May 18, 2022Observed: 1.65 ft at 5:30PM May 18, 2022Observed: 1.65 ft at 5:45PM May 18, 2022Observed: 1.65 ft at 6:00PM May 18, 2022Observed: 1.65 ft at 6:15PM May 18, 2022Observed: 1.64 ft at 6:30PM May 18, 2022Observed: 1.64 ft at 6:45PM May 18, 2022Observed: 1.64 ft at 7:00PM May 18, 2022Observed: 1.64 ft at 7:15PM May 18, 2022Observed: 1.64 ft at 7:30PM May 18, 2022Observed: 1.64 ft at 7:45PM May 18, 2022Observed: 1.63 ft at 8:00PM May 18, 2022Observed: 1.64 ft at 8:15PM May 18, 2022Observed: 1.63 ft at 8:30PM May 18, 2022Observed: 1.63 ft at 8:45PM May 18, 2022Observed: 1.63 ft at 9:00PM May 18, 2022Observed: 1.63 ft at 9:15PM May 18, 2022Observed: 1.63 ft at 9:30PM May 18, 2022Observed: 1.63 ft at 9:45PM May 18, 2022Observed: 1.63 ft at 10:00PM May 18, 2022Observed: 1.63 ft at 10:15PM May 18, 2022Observed: 1.63 ft at 10:30PM May 18, 2022Observed: 1.62 ft at 10:45PM May 18, 2022Observed: 1.62 ft at 11:00PM May 18, 2022Observed: 1.62 ft at 11:15PM May 18, 2022Observed: 1.62 ft at 11:30PM May 18, 2022Observed: 1.62 ft at 11:45PM May 18, 2022Observed: 1.62 ft at 12:00AM May 19, 2022Observed: 1.62 ft at 12:15AM May 19, 2022Observed: 1.62 ft at 12:30AM May 19, 2022Observed: 1.62 ft at 12:45AM May 19, 2022Observed: 1.61 ft at 1:00AM May 19, 2022Observed: 1.61 ft at 1:15AM May 19, 2022Observed: 1.61 ft at 1:30AM May 19, 2022Observed: 1.61 ft at 1:45AM May 19, 2022Observed: 1.6 ft at 2:00AM May 19, 2022Observed: 1.61 ft at 2:15AM May 19, 2022Observed: 1.6 ft at 2:30AM May 19, 2022Observed: 1.6 ft at 2:45AM May 19, 2022Observed: 1.6 ft at 3:00AM May 19, 2022Observed: 1.6 ft at 3:15AM May 19, 2022Observed: 1.59 ft at 3:30AM May 19, 2022Observed: 1.6 ft at 3:45AM May 19, 2022Observed: 1.6 ft at 4:00AM May 19, 2022Observed: 1.6 ft at 4:15AM May 19, 2022Observed: 1.6 ft at 4:30AM May 19, 2022Observed: 1.6 ft at 4:45AM May 19, 2022Observed: 1.59 ft at 5:00AM May 19, 2022Observed: 1.59 ft at 5:15AM May 19, 2022Observed: 1.59 ft at 5:30AM May 19, 2022Observed: 1.59 ft at 5:45AM May 19, 2022Observed: 1.59 ft at 6:00AM May 19, 2022Observed: 1.59 ft at 6:15AM May 19, 2022Observed: 1.59 ft at 6:30AM May 19, 2022Observed: 1.59 ft at 6:45AM May 19, 2022Observed: 1.58 ft at 7:00AM May 19, 2022Observed: 1.58 ft at 7:15AM May 19, 2022Observed: 1.58 ft at 7:30AM May 19, 2022Observed: 1.58 ft at 7:45AM May 19, 2022Observed: 1.58 ft at 8:00AM May 19, 2022Observed: 1.58 ft at 8:15AM May 19, 2022Observed: 1.58 ft at 8:30AM May 19, 2022Observed: 1.58 ft at 8:45AM May 19, 2022Observed: 1.58 ft at 9:00AM May 19, 2022Observed: 1.58 ft at 9:15AM May 19, 2022Observed: 1.58 ft at 9:30AM May 19, 2022Observed: 1.58 ft at 9:45AM May 19, 2022Observed: 1.58 ft at 10:00AM May 19, 2022Observed: 1.58 ft at 10:15AM May 19, 2022Observed: 1.57 ft at 10:30AM May 19, 2022Observed: 1.57 ft at 10:45AM May 19, 2022Observed: 1.57 ft at 11:00AM May 19, 2022Observed: 1.57 ft at 11:15AM May 19, 2022Observed: 1.57 ft at 11:30AM May 19, 2022Observed: 1.57 ft at 11:45AM May 19, 2022Observed: 1.57 ft at 12:00PM May 19, 2022Observed: 1.57 ft at 12:15PM May 19, 2022Observed: 1.57 ft at 12:30PM May 19, 2022Observed: 1.57 ft at 12:45PM May 19, 2022Observed: 1.57 ft at 1:00PM May 19, 2022Observed: 1.57 ft at 1:15PM May 19, 2022Observed: 1.57 ft at 1:30PM May 19, 2022Observed: 1.57 ft at 1:45PM May 19, 2022Observed: 1.57 ft at 2:00PM May 19, 2022Observed: 1.57 ft at 2:15PM May 19, 2022Observed: 1.57 ft at 2:30PM May 19, 2022Observed: 1.57 ft at 2:45PM May 19, 2022Observed: 1.57 ft at 3:00PM May 19, 2022Observed: 1.56 ft at 3:15PM May 19, 2022Observed: 1.56 ft at 3:30PM May 19, 2022Observed: 1.56 ft at 3:45PM May 19, 2022Observed: 1.57 ft at 4:00PM May 19, 2022Observed: 1.57 ft at 4:15PM May 19, 2022Observed: 1.56 ft at 4:30PM May 19, 2022Observed: 1.59 ft at 4:45PM May 19, 2022Observed: 1.6 ft at 5:00PM May 19, 2022Observed: 1.6 ft at 5:15PM May 19, 2022Observed: 1.61 ft at 5:30PM May 19, 2022Observed: 1.64 ft at 5:45PM May 19, 2022Observed: 1.65 ft at 6:00PM May 19, 2022Observed: 1.65 ft at 6:15PM May 19, 2022Observed: 1.67 ft at 6:30PM May 19, 2022Observed: 1.68 ft at 6:45PM May 19, 2022Observed: 1.69 ft at 7:00PM May 19, 2022Observed: 1.71 ft at 7:15PM May 19, 2022Observed: 1.73 ft at 7:30PM May 19, 2022Observed: 1.74 ft at 7:45PM May 19, 2022Observed: 1.76 ft at 8:00PM May 19, 2022Observed: 1.78 ft at 8:15PM May 19, 2022Observed: 1.8 ft at 8:30PM May 19, 2022Observed: 1.81 ft at 8:45PM May 19, 2022Observed: 1.83 ft at 9:00PM May 19, 2022Observed: 1.85 ft at 9:15PM May 19, 2022Observed: 1.86 ft at 9:30PM May 19, 2022Observed: 1.88 ft at 9:45PM May 19, 2022Observed: 1.9 ft at 10:00PM May 19, 2022Observed: 1.91 ft at 10:15PM May 19, 2022Observed: 1.92 ft at 10:30PM May 19, 2022Observed: 1.93 ft at 10:45PM May 19, 2022Observed: 1.95 ft at 11:00PM May 19, 2022Observed: 1.96 ft at 11:15PM May 19, 2022Observed: 1.96 ft at 11:30PM May 19, 2022Observed: 1.97 ft at 11:45PM May 19, 2022Observed: 1.98 ft at 12:00AM May 20, 2022Observed: 1.99 ft at 12:15AM May 20, 2022Observed: 2 ft at 12:30AM May 20, 2022Observed: 2 ft at 12:45AM May 20, 2022Observed: 2.01 ft at 1:00AM May 20, 2022Observed: 2.02 ft at 1:15AM May 20, 2022Observed: 2.02 ft at 1:30AM May 20, 2022Observed: 2.03 ft at 1:45AM May 20, 2022Observed: 2.04 ft at 2:00AM May 20, 2022Observed: 2.04 ft at 2:15AM May 20, 2022Observed: 2.04 ft at 2:30AM May 20, 2022Observed: 2.05 ft at 2:45AM May 20, 2022Observed: 2.06 ft at 3:00AM May 20, 2022Observed: 2.07 ft at 3:15AM May 20, 2022Observed: 2.07 ft at 3:30AM May 20, 2022Observed: 2.08 ft at 3:45AM May 20, 2022Observed: 2.08 ft at 4:00AM May 20, 2022Observed: 2.09 ft at 4:15AM May 20, 2022Observed: 2.1 ft at 4:30AM May 20, 2022Observed: 2.1 ft at 4:45AM May 20, 2022Observed: 2.11 ft at 5:00AM May 20, 2022Observed: 2.11 ft at 5:15AM May 20, 2022Observed: 2.11 ft at 5:30AM May 20, 2022Observed: 2.11 ft at 5:45AM May 20, 2022Observed: 2.12 ft at 6:00AM May 20, 2022Observed: 2.12 ft at 6:15AM May 20, 2022Observed: 2.12 ft at 6:30AM May 20, 2022Observed: 2.11 ft at 6:45AM May 20, 2022Observed: 2.11 ft at 7:00AM May 20, 2022Observed: 2.11 ft at 7:15AM May 20, 2022Observed: 2.11 ft at 7:30AM May 20, 2022Observed: 2.11 ft at 7:45AM May 20, 2022Observed: 2.1 ft at 8:00AM May 20, 2022Observed: 2.1 ft at 8:15AM May 20, 2022Observed: 2.1 ft at 8:30AM May 20, 2022Observed: 2.09 ft at 8:45AM May 20, 2022Observed: 2.09 ft at 9:00AM May 20, 2022Observed: 2.09 ft at 9:15AM May 20, 2022Observed: 2.08 ft at 9:30AM May 20, 2022Observed: 2.08 ft at 9:45AM May 20, 2022Observed: 2.07 ft at 10:00AM May 20, 2022Observed: 2.07 ft at 10:15AM May 20, 2022Observed: 2.06 ft at 10:30AM May 20, 2022Observed: 2.06 ft at 10:45AM May 20, 2022Observed: 2.05 ft at 11:00AM May 20, 2022Observed: 2.05 ft at 11:15AM May 20, 2022Observed: 2.04 ft at 11:30AM May 20, 2022Observed: 2.04 ft at 11:45AM May 20, 2022Observed: 2.04 ft at 12:00PM May 20, 2022Observed: 2.03 ft at 12:15PM May 20, 2022Observed: 2.03 ft at 12:30PM May 20, 2022Observed: 2.01 ft at 12:45PM May 20, 2022Observed: 2.01 ft at 1:00PM May 20, 2022Observed: 2.01 ft at 1:15PM May 20, 2022Observed: 2 ft at 1:30PM May 20, 2022Observed: 2 ft at 1:45PM May 20, 2022Observed: 1.99 ft at 2:00PM May 20, 2022Observed: 1.99 ft at 2:15PM May 20, 2022Observed: 1.98 ft at 2:30PM May 20, 2022Observed: 1.98 ft at 2:45PM May 20, 2022Observed: 1.98 ft at 3:00PM May 20, 2022Observed: 1.97 ft at 3:15PM May 20, 2022Observed: 1.97 ft at 3:30PM May 20, 2022Observed: 1.96 ft at 3:45PM May 20, 2022Observed: 1.95 ft at 4:00PM May 20, 2022Observed: 1.95 ft at 4:15PM May 20, 2022Observed: 1.95 ft at 4:30PM May 20, 2022Observed: 1.93 ft at 4:45PM May 20, 2022Observed: 1.93 ft at 5:00PM May 20, 2022Observed: 1.92 ft at 5:15PM May 20, 2022Observed: 1.92 ft at 5:30PM May 20, 2022Observed: 1.91 ft at 5:45PM May 20, 2022Observed: 1.91 ft at 6:00PM May 20, 2022Observed: 1.91 ft at 6:15PM May 20, 2022Observed: 1.9 ft at 6:30PM May 20, 2022Observed: 1.89 ft at 6:45PM May 20, 2022Observed: 1.88 ft at 7:00PM May 20, 2022Observed: 1.88 ft at 7:15PM May 20, 2022Observed: 1.88 ft at 7:30PM May 20, 2022Observed: 1.87 ft at 7:45PM May 20, 2022Observed: 1.87 ft at 8:00PM May 20, 2022Observed: 1.86 ft at 8:15PM May 20, 2022Observed: 1.86 ft at 8:30PM May 20, 2022Observed: 1.85 ft at 8:45PM May 20, 2022Observed: 1.85 ft at 9:00PM May 20, 2022Observed: 1.84 ft at 9:15PM May 20, 2022Observed: 1.78 ft at 12:30AM May 21, 2022Observed: 1.78 ft at 12:45AM May 21, 2022Observed: 1.78 ft at 1:00AM May 21, 2022Observed: 1.77 ft at 1:15AM May 21, 2022Observed: 1.77 ft at 1:30AM May 21, 2022Observed: 1.77 ft at 1:45AM May 21, 2022Observed: 1.76 ft at 2:00AM May 21, 2022Observed: 1.76 ft at 2:15AM May 21, 2022Observed: 1.75 ft at 2:30AM May 21, 2022Observed: 1.75 ft at 2:45AM May 21, 2022Observed: 1.75 ft at 3:00AM May 21, 2022Observed: 1.74 ft at 3:15AM May 21, 2022Observed: 1.74 ft at 3:30AM May 21, 2022Observed: 1.73 ft at 3:45AM May 21, 2022Observed: 1.73 ft at 4:00AM May 21, 2022Observed: 1.72 ft at 4:15AM May 21, 2022Observed: 1.73 ft at 4:30AM May 21, 2022Observed: 1.73 ft at 4:45AM May 21, 2022Observed: 1.74 ft at 5:00AM May 21, 2022Observed: 1.73 ft at 5:15AM May 21, 2022Observed: 1.73 ft at 5:30AM May 21, 2022Observed: 1.73 ft at 5:45AM May 21, 2022Observed: 1.73 ft at 6:00AM May 21, 2022Observed: 1.72 ft at 6:15AM May 21, 2022Observed: 1.72 ft at 6:30AM May 21, 2022Observed: 1.71 ft at 6:45AM May 21, 2022Observed: 1.71 ft at 7:00AM May 21, 2022Observed: 1.71 ft at 7:15AM May 21, 2022Observed: 1.71 ft at 7:30AM May 21, 2022Observed: 1.71 ft at 7:45AM May 21, 2022Observed: 1.71 ft at 8:00AM May 21, 2022Observed: 1.71 ft at 8:15AM May 21, 2022Observed: 1.71 ft at 8:30AM May 21, 2022Observed: 1.71 ft at 8:45AM May 21, 2022Observed: 1.71 ft at 9:00AM May 21, 2022Observed: 1.71 ft at 9:15AM May 21, 2022Observed: 1.73 ft at 9:30AM May 21, 2022Observed: 1.76 ft at 9:45AM May 21, 2022Observed: 1.78 ft at 10:00AM May 21, 2022Observed: 1.8 ft at 10:15AM May 21, 2022Observed: 1.83 ft at 10:30AM May 21, 2022Observed: 1.86 ft at 10:45AM May 21, 2022Observed: 1.88 ft at 11:00AM May 21, 2022Observed: 1.89 ft at 11:15AM May 21, 2022Observed: 1.91 ft at 11:30AM May 21, 2022Observed: 1.95 ft at 11:45AM May 21, 2022Observed: 2.01 ft at 12:00PM May 21, 2022Observed: 2.13 ft at 12:15PM May 21, 2022Observed: 2.3 ft at 12:30PM May 21, 2022Observed: 2.5 ft at 12:45PM May 21, 2022Observed: 2.73 ft at 1:00PM May 21, 2022Observed: 2.94 ft at 1:15PM May 21, 2022Observed: 3.16 ft at 1:30PM May 21, 2022Observed: 3.42 ft at 1:45PM May 21, 2022Observed: 3.69 ft at 2:00PM May 21, 2022Observed: 3.93 ft at 2:15PM May 21, 2022Observed: 4.1 ft at 2:30PM May 21, 2022Observed: 4.24 ft at 2:45PM May 21, 2022Observed: 4.32 ft at 3:00PM May 21, 2022Observed: 4.38 ft at 3:15PM May 21, 2022Observed: 4.41 ft at 3:30PM May 21, 2022Observed: 4.43 ft at 3:45PM May 21, 2022Highest Observation: 4.44 ft at 4:00PM May 21, 2022Highest Observation: 4.44 ft at 4:15PM May 21, 2022Observed: 4.43 ft at 4:30PM May 21, 2022Observed: 4.41 ft at 4:45PM May 21, 2022Observed: 4.38 ft at 5:00PM May 21, 2022Observed: 4.35 ft at 5:15PM May 21, 2022Observed: 4.31 ft at 5:30PM May 21, 2022Observed: 4.28 ft at 5:45PM May 21, 2022Observed: 4.23 ft at 6:00PM May 21, 2022Observed: 4.19 ft at 6:15PM May 21, 2022Observed: 4.14 ft at 6:30PM May 21, 2022Observed: 4.1 ft at 6:45PM May 21, 2022Observed: 4.06 ft at 7:00PM May 21, 2022Observed: 4.03 ft at 7:15PM May 21, 2022Observed: 4 ft at 7:30PM May 21, 2022Observed: 3.98 ft at 7:45PM May 21, 2022Observed: 3.98 ft at 8:00PM May 21, 2022Observed: 3.97 ft at 8:15PM May 21, 2022Observed: 3.96 ft at 8:30PM May 21, 2022Observed: 3.96 ft at 8:45PM May 21, 2022Observed: 3.97 ft at 9:00PM May 21, 2022Observed: 3.99 ft at 9:15PM May 21, 2022Observed: 4.01 ft at 9:30PM May 21, 2022Observed: 4.04 ft at 9:45PM May 21, 2022Observed: 4.08 ft at 10:00PM May 21, 2022Observed: 4.11 ft at 10:15PM May 21, 2022Observed: 4.14 ft at 10:30PM May 21, 2022Observed: 4.18 ft at 10:45PM May 21, 2022Observed: 4.23 ft at 11:00PM May 21, 2022Observed: 4.26 ft at 11:15PM May 21, 2022Observed: 4.29 ft at 11:30PM May 21, 2022Observed: 4.31 ft at 11:45PM May 21, 2022Observed: 4.32 ft at 12:00AM May 22, 2022Observed: 4.32 ft at 12:15AM May 22, 2022Observed: 4.29 ft at 12:30AM May 22, 2022Observed: 4.27 ft at 12:45AM May 22, 2022Observed: 4.24 ft at 1:00AM May 22, 2022Observed: 4.21 ft at 1:15AM May 22, 2022Observed: 4.16 ft at 1:30AM May 22, 2022Observed: 4.12 ft at 1:45AM May 22, 2022Observed: 4.09 ft at 2:00AM May 22, 2022Observed: 4.05 ft at 2:15AM May 22, 2022Observed: 4.01 ft at 2:30AM May 22, 2022Observed: 3.97 ft at 2:45AM May 22, 2022Observed: 3.94 ft at 3:00AM May 22, 2022Observed: 3.91 ft at 3:15AM May 22, 2022Observed: 3.87 ft at 3:30AM May 22, 2022Observed: 3.84 ft at 3:45AM May 22, 2022Observed: 3.81 ft at 4:00AM May 22, 2022Observed: 3.77 ft at 4:15AM May 22, 2022Observed: 3.74 ft at 4:30AM May 22, 2022Observed: 3.71 ft at 4:45AM May 22, 2022Observed: 3.69 ft at 5:00AM May 22, 2022Observed: 3.66 ft at 5:15AM May 22, 2022Observed: 3.63 ft at 5:30AM May 22, 2022Observed: 3.6 ft at 5:45AM May 22, 2022Observed: 3.58 ft at 6:00AM May 22, 2022Observed: 3.56 ft at 6:15AM May 22, 2022Observed: 3.54 ft at 6:30AM May 22, 2022Observed: 3.52 ft at 6:45AM May 22, 2022Observed: 3.49 ft at 7:00AM May 22, 2022Observed: 3.48 ft at 7:15AM May 22, 2022Observed: 3.46 ft at 7:30AM May 22, 2022Observed: 3.43 ft at 7:45AM May 22, 2022Observed: 3.42 ft at 8:00AM May 22, 2022Observed: 3.4 ft at 8:15AM May 22, 2022Observed: 3.38 ft at 8:30AM May 22, 2022Observed: 3.37 ft at 8:45AM May 22, 2022Observed: 3.35 ft at 9:00AM May 22, 2022Observed: 3.33 ft at 9:15AM May 22, 2022Observed: 3.31 ft at 9:30AM May 22, 2022Observed: 3.3 ft at 9:45AM May 22, 2022Observed: 3.29 ft at 10:00AM May 22, 2022Observed: 3.27 ft at 10:15AM May 22, 2022Observed: 3.26 ft at 10:30AM May 22, 2022Observed: 3.24 ft at 10:45AM May 22, 2022Observed: 3.22 ft at 11:00AM May 22, 2022Observed: 3.2 ft at 11:15AM May 22, 2022Observed: 3.19 ft at 11:30AM May 22, 2022Observed: 3.18 ft at 11:45AM May 22, 2022Observed: 3.17 ft at 12:00PM May 22, 2022Observed: 3.15 ft at 12:15PM May 22, 2022Observed: 3.14 ft at 12:30PM May 22, 2022Observed: 3.12 ft at 12:45PM May 22, 2022Observed: 3.11 ft at 1:00PM May 22, 2022Observed: 3.1 ft at 1:15PM May 22, 2022Observed: 3.09 ft at 1:30PM May 22, 2022Observed: 3.07 ft at 1:45PM May 22, 2022Observed: 3.06 ft at 2:00PM May 22, 2022Observed: 3.05 ft at 2:15PM May 22, 2022Observed: 3.04 ft at 2:30PM May 22, 2022Observed: 3.03 ft at 2:45PM May 22, 2022Observed: 3.01 ft at 3:00PM May 22, 2022Observed: 3 ft at 3:15PM May 22, 2022Observed: 3 ft at 3:30PM May 22, 2022Observed: 2.98 ft at 3:45PM May 22, 2022Observed: 2.98 ft at 4:00PM May 22, 2022Observed: 2.96 ft at 4:15PM May 22, 2022Observed: 2.96 ft at 4:30PM May 22, 2022Observed: 2.94 ft at 4:45PM May 22, 2022Observed: 2.93 ft at 5:00PM May 22, 2022Observed: 2.92 ft at 5:15PM May 22, 2022Observed: 2.91 ft at 5:30PM May 22, 2022Observed: 2.9 ft at 5:45PM May 22, 2022Observed: 2.88 ft at 6:00PM May 22, 2022Observed: 2.87 ft at 6:15PM May 22, 2022Observed: 2.87 ft at 6:30PM May 22, 2022Observed: 2.86 ft at 6:45PM May 22, 2022Observed: 2.84 ft at 7:00PM May 22, 2022Observed: 2.83 ft at 7:15PM May 22, 2022Observed: 2.83 ft at 7:30PM May 22, 2022Observed: 2.82 ft at 7:45PM May 22, 2022Observed: 2.8 ft at 8:00PM May 22, 2022Observed: 2.8 ft at 8:15PM May 22, 2022Observed: 2.79 ft at 8:30PM May 22, 2022Observed: 2.78 ft at 8:45PM May 22, 2022Observed: 2.78 ft at 9:00PM May 22, 2022Observed: 2.77 ft at 9:15PM May 22, 2022Observed: 2.75 ft at 9:30PM May 22, 2022Observed: 2.74 ft at 9:45PM May 22, 2022Observed: 2.73 ft at 10:00PM May 22, 2022Observed: 2.73 ft at 10:15PM May 22, 2022Observed: 2.72 ft at 10:30PM May 22, 2022Observed: 2.72 ft at 10:45PM May 22, 2022Observed: 2.7 ft at 11:00PM May 22, 2022Observed: 2.69 ft at 11:15PM May 22, 2022Observed: 2.68 ft at 11:30PM May 22, 2022Observed: 2.68 ft at 11:45PM May 22, 2022Observed: 2.67 ft at 12:00AM May 23, 2022Observed: 2.67 ft at 12:15AM May 23, 2022Observed: 2.66 ft at 12:30AM May 23, 2022Observed: 2.65 ft at 12:45AM May 23, 2022Observed: 2.64 ft at 1:00AM May 23, 2022Observed: 2.63 ft at 1:15AM May 23, 2022Observed: 2.62 ft at 1:30AM May 23, 2022Observed: 2.62 ft at 1:45AM May 23, 2022Observed: 2.6 ft at 2:00AM May 23, 2022Observed: 2.6 ft at 2:15AM May 23, 2022Observed: 2.59 ft at 2:30AM May 23, 2022Observed: 2.59 ft at 2:45AM May 23, 2022Observed: 2.58 ft at 3:00AM May 23, 2022Observed: 2.58 ft at 3:15AM May 23, 2022Observed: 2.58 ft at 3:30AM May 23, 2022Observed: 2.56 ft at 3:45AM May 23, 2022Observed: 2.56 ft at 4:00AM May 23, 2022Observed: 2.55 ft at 4:15AM May 23, 2022Observed: 2.54 ft at 4:30AM May 23, 2022Observed: 2.54 ft at 4:45AM May 23, 2022Observed: 2.53 ft at 5:00AM May 23, 2022Observed: 2.53 ft at 5:15AM May 23, 2022Observed: 2.52 ft at 5:30AM May 23, 2022Observed: 2.51 ft at 5:45AM May 23, 2022Observed: 2.51 ft at 6:00AM May 23, 2022Observed: 2.5 ft at 6:15AM May 23, 2022USGS--Water Resources of the United StatesIRNM7(plotting HGIRG) Graph Created (6:55AM May 23, 2022)ObservedLatest observed value: 2.5 ft at 6:15 AM CDT 23-May-2022.
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Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts are not available for the Big River at Irondale. Only observed stages are available for this point.
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Downstream Gauge Downstream Gauge - at Richwoods
Flood Categories (in feet)
Not Available

Historic Crests
(1) 28.95 ft on 11/14/1993
(2) 27.92 ft on 11/01/1972
(3) 25.62 ft on 05/08/2009
(4) 25.57 ft on 11/19/1985
(5) 24.20 ft on 10/30/2009
(6) 22.84 ft on 04/30/2017
(7) 22.72 ft on 01/29/1969
(8) 22.72 ft on 04/18/2013
(9) 22.62 ft on 08/09/1970
(10) 22.25 ft on 04/11/1979
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 17.47 ft on 01/11/2020
(2) 12.94 ft on 04/26/2019
(3) 17.19 ft on 02/24/2018
(4) 22.84 ft on 04/30/2017
(5) 21.53 ft on 12/28/2015
(6) 19.70 ft on 08/10/2015
(7) 22.72 ft on 04/18/2013
(8) 11.25 ft on 03/16/2012
(9) 17.98 ft on 04/28/2011
(10) 15.61 ft on 04/26/2011
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.75 ft on 07/26/2012
(2) 1.20 ft on 08/14/2007
(3) 1.23 ft on 09/28/2004
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.
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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.
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Latitude: 37.830000° N, Longitude: 90.690889° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available 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 29 753.28 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:
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NWS Information
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12 Missouri Research Park Drive
St. Charles, MO 63304
(636) 441-8467
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