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Hydrograph River at a Glance Download
Illinois River near Henry Stage (ft)Observed: 19.68 ft at 1:30PM Mar 17, 2023Observed: 19.67 ft at 1:45PM Mar 17, 2023Observed: 19.69 ft at 2:00PM Mar 17, 2023Observed: 19.67 ft at 2:15PM Mar 17, 2023Observed: 19.69 ft at 2:30PM Mar 17, 2023Observed: 19.68 ft at 2:45PM Mar 17, 2023Observed: 19.66 ft at 3:00PM Mar 17, 2023Observed: 19.65 ft at 3:15PM Mar 17, 2023Observed: 19.67 ft at 3:30PM Mar 17, 2023Observed: 19.66 ft at 3:45PM Mar 17, 2023Observed: 19.67 ft at 4:00PM Mar 17, 2023Observed: 19.67 ft at 4:15PM Mar 17, 2023Observed: 19.66 ft at 4:30PM Mar 17, 2023Observed: 19.68 ft at 4:45PM Mar 17, 2023Observed: 19.67 ft at 5:00PM Mar 17, 2023Observed: 19.65 ft at 5:15PM Mar 17, 2023Observed: 19.67 ft at 5:30PM Mar 17, 2023Observed: 19.66 ft at 5:45PM Mar 17, 2023Observed: 19.67 ft at 6:00PM Mar 17, 2023Observed: 19.68 ft at 6:15PM Mar 17, 2023Observed: 19.65 ft at 6:30PM Mar 17, 2023Observed: 19.64 ft at 6:45PM Mar 17, 2023Observed: 19.63 ft at 7:00PM Mar 17, 2023Observed: 19.63 ft at 7:15PM Mar 17, 2023Observed: 19.65 ft at 7:30PM Mar 17, 2023Observed: 19.66 ft at 7:45PM Mar 17, 2023Observed: 19.64 ft at 8:00PM Mar 17, 2023Observed: 19.62 ft at 8:15PM Mar 17, 2023Observed: 19.62 ft at 8:30PM Mar 17, 2023Observed: 19.63 ft at 8:45PM Mar 17, 2023Observed: 19.63 ft at 9:00PM Mar 17, 2023Observed: 19.62 ft at 9:15PM Mar 17, 2023Observed: 19.62 ft at 9:30PM Mar 17, 2023Observed: 19.61 ft at 9:45PM Mar 17, 2023Observed: 19.63 ft at 10:00PM Mar 17, 2023Observed: 19.6 ft at 10:15PM Mar 17, 2023Observed: 19.61 ft at 10:30PM Mar 17, 2023Observed: 19.62 ft at 10:45PM Mar 17, 2023Observed: 19.63 ft at 11:00PM Mar 17, 2023Observed: 19.6 ft at 11:15PM Mar 17, 2023Observed: 19.62 ft at 11:30PM Mar 17, 2023Observed: 19.64 ft at 11:45PM Mar 17, 2023Observed: 19.64 ft at 12:00AM Mar 18, 2023Observed: 19.63 ft at 12:15AM Mar 18, 2023Observed: 19.65 ft at 12:30AM Mar 18, 2023Observed: 19.62 ft at 12:45AM Mar 18, 2023Observed: 19.62 ft at 1:00AM Mar 18, 2023Observed: 19.62 ft at 1:15AM Mar 18, 2023Observed: 19.62 ft at 1:30AM Mar 18, 2023Observed: 19.61 ft at 1:45AM Mar 18, 2023Observed: 19.61 ft at 2:00AM Mar 18, 2023Observed: 19.63 ft at 2:15AM Mar 18, 2023Observed: 19.64 ft at 2:30AM Mar 18, 2023Observed: 19.64 ft at 2:45AM Mar 18, 2023Observed: 19.63 ft at 3:00AM Mar 18, 2023Observed: 19.66 ft at 3:15AM Mar 18, 2023Observed: 19.65 ft at 3:30AM Mar 18, 2023Observed: 19.62 ft at 3:45AM Mar 18, 2023Observed: 19.63 ft at 4:00AM Mar 18, 2023Observed: 19.61 ft at 4:15AM Mar 18, 2023Observed: 19.61 ft at 4:30AM Mar 18, 2023Observed: 19.62 ft at 4:45AM Mar 18, 2023Observed: 19.6 ft at 5:00AM Mar 18, 2023Observed: 19.62 ft at 5:15AM Mar 18, 2023Observed: 19.63 ft at 5:30AM Mar 18, 2023Observed: 19.62 ft at 5:45AM Mar 18, 2023Observed: 19.65 ft at 6:00AM Mar 18, 2023Observed: 19.62 ft at 6:15AM Mar 18, 2023Observed: 19.63 ft at 6:30AM Mar 18, 2023Observed: 19.64 ft at 6:45AM Mar 18, 2023Observed: 19.64 ft at 7:00AM Mar 18, 2023Observed: 19.64 ft at 7:15AM Mar 18, 2023Observed: 19.64 ft at 7:30AM Mar 18, 2023Observed: 19.64 ft at 7:45AM Mar 18, 2023Observed: 19.63 ft at 8:00AM Mar 18, 2023Observed: 19.66 ft at 8:15AM Mar 18, 2023Observed: 19.65 ft at 8:30AM Mar 18, 2023Observed: 19.64 ft at 8:45AM Mar 18, 2023Observed: 19.65 ft at 9:00AM Mar 18, 2023Observed: 19.62 ft at 9:15AM Mar 18, 2023Observed: 19.64 ft at 9:30AM Mar 18, 2023Observed: 19.63 ft at 9:45AM Mar 18, 2023Observed: 19.61 ft at 10:00AM Mar 18, 2023Observed: 19.63 ft at 10:15AM Mar 18, 2023Observed: 19.63 ft at 10:30AM Mar 18, 2023Observed: 19.64 ft at 10:45AM Mar 18, 2023Observed: 19.64 ft at 11:00AM Mar 18, 2023Observed: 19.65 ft at 11:15AM Mar 18, 2023Observed: 19.65 ft at 11:30AM Mar 18, 2023Observed: 19.64 ft at 11:45AM Mar 18, 2023Observed: 19.62 ft at 12:00PM Mar 18, 2023Observed: 19.65 ft at 12:15PM Mar 18, 2023Observed: 19.64 ft at 12:30PM Mar 18, 2023Observed: 19.64 ft at 12:45PM Mar 18, 2023Observed: 19.68 ft at 1:00PM Mar 18, 2023Observed: 19.66 ft at 1:15PM Mar 18, 2023Observed: 19.67 ft at 1:30PM Mar 18, 2023Observed: 19.69 ft at 1:45PM Mar 18, 2023Observed: 19.67 ft at 2:00PM Mar 18, 2023Observed: 19.68 ft at 2:15PM Mar 18, 2023Observed: 19.65 ft at 2:30PM Mar 18, 2023Observed: 19.66 ft at 2:45PM Mar 18, 2023Observed: 19.66 ft at 3:00PM Mar 18, 2023Highest Observation: 19.71 ft at 3:15PM Mar 18, 2023Observed: 19.68 ft at 3:30PM Mar 18, 2023Observed: 19.69 ft at 3:45PM Mar 18, 2023Observed: 19.67 ft at 4:00PM Mar 18, 2023Observed: 19.69 ft at 4:15PM Mar 18, 2023Observed: 19.69 ft at 4:30PM Mar 18, 2023Observed: 19.7 ft at 4:45PM Mar 18, 2023Observed: 19.64 ft at 5:00PM Mar 18, 2023Observed: 19.69 ft at 5:15PM Mar 18, 2023Observed: 19.7 ft at 5:30PM Mar 18, 2023Observed: 19.65 ft at 5:45PM Mar 18, 2023Observed: 19.67 ft at 6:00PM Mar 18, 2023Observed: 19.68 ft at 6:15PM Mar 18, 2023Observed: 19.66 ft at 6:30PM Mar 18, 2023Observed: 19.65 ft at 6:45PM Mar 18, 2023Observed: 19.66 ft at 7:00PM Mar 18, 2023Observed: 19.66 ft at 7:15PM Mar 18, 2023Observed: 19.69 ft at 7:30PM Mar 18, 2023Observed: 19.69 ft at 7:45PM Mar 18, 2023Observed: 19.65 ft at 8:00PM Mar 18, 2023Observed: 19.66 ft at 8:15PM Mar 18, 2023Observed: 19.65 ft at 8:30PM Mar 18, 2023Observed: 19.66 ft at 8:45PM Mar 18, 2023Observed: 19.66 ft at 9:00PM Mar 18, 2023Observed: 19.66 ft at 9:15PM Mar 18, 2023Observed: 19.68 ft at 9:30PM Mar 18, 2023Observed: 19.67 ft at 9:45PM Mar 18, 2023Observed: 19.65 ft at 10:00PM Mar 18, 2023Observed: 19.67 ft at 10:15PM Mar 18, 2023Observed: 19.66 ft at 10:30PM Mar 18, 2023Observed: 19.64 ft at 10:45PM Mar 18, 2023Observed: 19.65 ft at 11:00PM Mar 18, 2023Observed: 19.66 ft at 11:15PM Mar 18, 2023Observed: 19.66 ft at 11:30PM Mar 18, 2023Observed: 19.66 ft at 11:45PM Mar 18, 2023Observed: 19.65 ft at 12:00AM Mar 19, 2023Observed: 19.66 ft at 12:15AM Mar 19, 2023Observed: 19.65 ft at 12:30AM Mar 19, 2023Observed: 19.66 ft at 12:45AM Mar 19, 2023Observed: 19.65 ft at 1:00AM Mar 19, 2023Observed: 19.65 ft at 1:15AM Mar 19, 2023Observed: 19.67 ft at 1:30AM Mar 19, 2023Observed: 19.65 ft at 1:45AM Mar 19, 2023Observed: 19.65 ft at 2:00AM Mar 19, 2023Observed: 19.66 ft at 2:15AM Mar 19, 2023Observed: 19.65 ft at 2:30AM Mar 19, 2023Observed: 19.67 ft at 2:45AM Mar 19, 2023Observed: 19.67 ft at 3:00AM Mar 19, 2023Observed: 19.67 ft at 3:15AM Mar 19, 2023Observed: 19.65 ft at 3:30AM Mar 19, 2023Observed: 19.65 ft at 3:45AM Mar 19, 2023Observed: 19.64 ft at 4:00AM Mar 19, 2023Observed: 19.65 ft at 4:15AM Mar 19, 2023Observed: 19.65 ft at 4:30AM Mar 19, 2023Observed: 19.66 ft at 4:45AM Mar 19, 2023Observed: 19.66 ft at 5:00AM Mar 19, 2023Observed: 19.65 ft at 5:15AM Mar 19, 2023Observed: 19.65 ft at 5:30AM Mar 19, 2023Observed: 19.64 ft at 5:45AM Mar 19, 2023Observed: 19.65 ft at 6:00AM Mar 19, 2023Observed: 19.66 ft at 6:15AM Mar 19, 2023Observed: 19.64 ft at 6:30AM Mar 19, 2023Observed: 19.65 ft at 6:45AM Mar 19, 2023Observed: 19.65 ft at 7:00AM Mar 19, 2023Observed: 19.64 ft at 7:15AM Mar 19, 2023Observed: 19.63 ft at 7:30AM Mar 19, 2023Observed: 19.65 ft at 7:45AM Mar 19, 2023Observed: 19.63 ft at 8:00AM Mar 19, 2023Observed: 19.64 ft at 8:15AM Mar 19, 2023Observed: 19.64 ft at 8:30AM Mar 19, 2023Observed: 19.64 ft at 8:45AM Mar 19, 2023Observed: 19.64 ft at 9:00AM Mar 19, 2023Observed: 19.65 ft at 9:15AM Mar 19, 2023Observed: 19.66 ft at 9:30AM Mar 19, 2023Observed: 19.66 ft at 9:45AM Mar 19, 2023Observed: 19.67 ft at 10:00AM Mar 19, 2023Observed: 19.62 ft at 10:15AM Mar 19, 2023Observed: 19.64 ft at 10:30AM Mar 19, 2023Observed: 19.63 ft at 10:45AM Mar 19, 2023Observed: 19.62 ft at 11:00AM Mar 19, 2023Observed: 19.63 ft at 11:15AM Mar 19, 2023Observed: 19.64 ft at 11:30AM Mar 19, 2023Observed: 19.65 ft at 11:45AM Mar 19, 2023Observed: 19.6 ft at 12:00PM Mar 19, 2023Observed: 19.63 ft at 12:15PM Mar 19, 2023Observed: 19.62 ft at 12:30PM Mar 19, 2023Observed: 19.62 ft at 12:45PM Mar 19, 2023Observed: 19.63 ft at 1:00PM Mar 19, 2023Observed: 19.62 ft at 1:15PM Mar 19, 2023Observed: 19.63 ft at 1:30PM Mar 19, 2023Observed: 19.62 ft at 1:45PM Mar 19, 2023Observed: 19.59 ft at 2:00PM Mar 19, 2023Observed: 19.63 ft at 2:15PM Mar 19, 2023Observed: 19.63 ft at 2:30PM Mar 19, 2023Observed: 19.6 ft at 2:45PM Mar 19, 2023Observed: 19.62 ft at 3:00PM Mar 19, 2023Observed: 19.63 ft at 3:15PM Mar 19, 2023Observed: 19.62 ft at 3:30PM Mar 19, 2023Observed: 19.61 ft at 3:45PM Mar 19, 2023Observed: 19.61 ft at 4:00PM Mar 19, 2023Observed: 19.65 ft at 4:15PM Mar 19, 2023Observed: 19.58 ft at 4:30PM Mar 19, 2023Observed: 19.59 ft at 4:45PM Mar 19, 2023Observed: 19.61 ft at 5:00PM Mar 19, 2023Observed: 19.59 ft at 5:15PM Mar 19, 2023Observed: 19.6 ft at 5:30PM Mar 19, 2023Observed: 19.59 ft at 5:45PM Mar 19, 2023Observed: 19.58 ft at 6:00PM Mar 19, 2023Observed: 19.58 ft at 6:15PM Mar 19, 2023Observed: 19.59 ft at 6:30PM Mar 19, 2023Observed: 19.57 ft at 6:45PM Mar 19, 2023Observed: 19.59 ft at 7:00PM Mar 19, 2023Observed: 19.58 ft at 7:15PM Mar 19, 2023Observed: 19.57 ft at 7:30PM Mar 19, 2023Observed: 19.58 ft at 7:45PM Mar 19, 2023Observed: 19.6 ft at 8:00PM Mar 19, 2023Observed: 19.53 ft at 8:15PM Mar 19, 2023Observed: 19.59 ft at 8:30PM Mar 19, 2023Observed: 19.59 ft at 8:45PM Mar 19, 2023Observed: 19.57 ft at 9:00PM Mar 19, 2023Observed: 19.58 ft at 9:15PM Mar 19, 2023Observed: 19.6 ft at 9:30PM Mar 19, 2023Observed: 19.57 ft at 10:00PM Mar 19, 2023Observed: 19.56 ft at 10:15PM Mar 19, 2023Observed: 19.55 ft at 10:30PM Mar 19, 2023Observed: 19.55 ft at 10:45PM Mar 19, 2023Observed: 19.56 ft at 11:00PM Mar 19, 2023Observed: 19.55 ft at 11:15PM Mar 19, 2023Observed: 19.56 ft at 11:30PM Mar 19, 2023Observed: 19.55 ft at 11:45PM Mar 19, 2023Observed: 19.54 ft at 12:00AM Mar 20, 2023Observed: 19.52 ft at 12:15AM Mar 20, 2023Observed: 19.54 ft at 12:30AM Mar 20, 2023Observed: 19.57 ft at 12:45AM Mar 20, 2023Observed: 19.54 ft at 1:00AM Mar 20, 2023Observed: 19.55 ft at 1:15AM Mar 20, 2023Observed: 19.53 ft at 1:30AM Mar 20, 2023Observed: 19.54 ft at 1:45AM Mar 20, 2023Observed: 19.56 ft at 2:00AM Mar 20, 2023Observed: 19.55 ft at 2:15AM Mar 20, 2023Observed: 19.57 ft at 2:30AM Mar 20, 2023Observed: 19.54 ft at 2:45AM Mar 20, 2023Observed: 19.59 ft at 3:00AM Mar 20, 2023Observed: 19.55 ft at 3:15AM Mar 20, 2023Observed: 19.53 ft at 3:30AM Mar 20, 2023Observed: 19.53 ft at 3:45AM Mar 20, 2023Observed: 19.52 ft at 4:00AM Mar 20, 2023Observed: 19.52 ft at 4:15AM Mar 20, 2023Observed: 19.51 ft at 4:30AM Mar 20, 2023Observed: 19.52 ft at 4:45AM Mar 20, 2023Observed: 19.5 ft at 5:00AM Mar 20, 2023Observed: 19.5 ft at 5:15AM Mar 20, 2023Observed: 19.51 ft at 5:30AM Mar 20, 2023Observed: 19.5 ft at 5:45AM Mar 20, 2023Observed: 19.52 ft at 6:00AM Mar 20, 2023Observed: 19.52 ft at 6:15AM Mar 20, 2023Observed: 19.53 ft at 6:30AM Mar 20, 2023Observed: 19.51 ft at 6:45AM Mar 20, 2023Observed: 19.52 ft at 7:00AM Mar 20, 2023Observed: 19.53 ft at 7:15AM Mar 20, 2023Observed: 19.56 ft at 7:30AM Mar 20, 2023Observed: 19.54 ft at 7:45AM Mar 20, 2023Observed: 19.51 ft at 9:00AM Mar 20, 2023Observed: 19.5 ft at 9:15AM Mar 20, 2023Observed: 19.52 ft at 9:30AM Mar 20, 2023Observed: 19.48 ft at 9:45AM Mar 20, 2023Observed: 19.48 ft at 10:00AM Mar 20, 2023Observed: 19.53 ft at 10:15AM Mar 20, 2023Observed: 19.52 ft at 10:30AM Mar 20, 2023Observed: 19.56 ft at 10:45AM Mar 20, 2023Observed: 19.49 ft at 11:00AM Mar 20, 2023Observed: 19.55 ft at 11:15AM Mar 20, 2023Observed: 19.51 ft at 11:30AM Mar 20, 2023Observed: 19.5 ft at 11:45AM Mar 20, 2023Observed: 19.51 ft at 12:00PM Mar 20, 2023Observed: 19.49 ft at 12:15PM Mar 20, 2023Observed: 19.47 ft at 12:30PM Mar 20, 2023Observed: 19.52 ft at 12:45PM Mar 20, 2023Observed: 19.48 ft at 1:00PM Mar 20, 2023Observed: 19.49 ft at 1:15PM Mar 20, 2023Observed: 19.48 ft at 1:30PM Mar 20, 2023Observed: 19.48 ft at 1:45PM Mar 20, 2023Observed: 19.46 ft at 2:00PM Mar 20, 2023Observed: 19.46 ft at 2:15PM Mar 20, 2023Observed: 19.45 ft at 2:30PM Mar 20, 2023Observed: 19.49 ft at 2:45PM Mar 20, 2023Observed: 19.5 ft at 3:00PM Mar 20, 2023Observed: 19.55 ft at 3:15PM Mar 20, 2023Observed: 19.52 ft at 3:30PM Mar 20, 2023Observed: 19.58 ft at 3:45PM Mar 20, 2023Observed: 19.54 ft at 4:00PM Mar 20, 2023Observed: 19.48 ft at 4:15PM Mar 20, 2023Observed: 19.52 ft at 4:30PM Mar 20, 2023Observed: 19.52 ft at 4:45PM Mar 20, 2023Observed: 19.56 ft at 5:00PM Mar 20, 2023Observed: 19.56 ft at 5:15PM Mar 20, 2023Observed: 19.58 ft at 5:30PM Mar 20, 2023Observed: 19.56 ft at 5:45PM Mar 20, 2023Observed: 19.51 ft at 6:00PM Mar 20, 2023Observed: 19.47 ft at 6:15PM Mar 20, 2023Observed: 19.54 ft at 6:30PM Mar 20, 2023Observed: 19.56 ft at 6:45PM Mar 20, 2023Observed: 19.54 ft at 7:00PM Mar 20, 2023Observed: 19.52 ft at 7:15PM Mar 20, 2023Observed: 19.58 ft at 7:30PM Mar 20, 2023Observed: 19.51 ft at 7:45PM Mar 20, 2023Observed: 19.55 ft at 8:00PM Mar 20, 2023Observed: 19.51 ft at 8:15PM Mar 20, 2023Observed: 19.52 ft at 8:30PM Mar 20, 2023Observed: 19.5 ft at 8:45PM Mar 20, 2023Observed: 19.49 ft at 9:00PM Mar 20, 2023Observed: 19.49 ft at 9:15PM Mar 20, 2023Observed: 19.47 ft at 9:30PM Mar 20, 2023Observed: 19.47 ft at 9:45PM Mar 20, 2023Observed: 19.48 ft at 10:00PM Mar 20, 2023Observed: 19.44 ft at 10:15PM Mar 20, 2023Observed: 19.43 ft at 10:30PM Mar 20, 2023Observed: 19.45 ft at 10:45PM Mar 20, 2023Observed: 19.43 ft at 11:00PM Mar 20, 2023Observed: 19.45 ft at 11:15PM Mar 20, 2023Observed: 19.44 ft at 11:30PM Mar 20, 2023Observed: 19.43 ft at 11:45PM Mar 20, 2023Observed: 19.43 ft at 12:00AM Mar 21, 2023Observed: 19.43 ft at 12:15AM Mar 21, 2023Observed: 19.43 ft at 12:30AM Mar 21, 2023Observed: 19.41 ft at 12:45AM Mar 21, 2023Observed: 19.39 ft at 1:00AM Mar 21, 2023Observed: 19.38 ft at 1:15AM Mar 21, 2023Observed: 19.39 ft at 1:30AM Mar 21, 2023Observed: 19.39 ft at 1:45AM Mar 21, 2023Observed: 19.4 ft at 2:00AM Mar 21, 2023Observed: 19.4 ft at 2:15AM Mar 21, 2023Observed: 19.38 ft at 2:30AM Mar 21, 2023Observed: 19.39 ft at 2:45AM Mar 21, 2023Observed: 19.41 ft at 3:00AM Mar 21, 2023Observed: 19.38 ft at 3:15AM Mar 21, 2023Observed: 19.36 ft at 3:30AM Mar 21, 2023Observed: 19.41 ft at 3:45AM Mar 21, 2023Observed: 19.4 ft at 4:00AM Mar 21, 2023Observed: 19.35 ft at 4:15AM Mar 21, 2023Observed: 19.36 ft at 4:30AM Mar 21, 2023Observed: 19.37 ft at 4:45AM Mar 21, 2023Observed: 19.37 ft at 5:00AM Mar 21, 2023Observed: 19.37 ft at 5:15AM Mar 21, 2023Observed: 19.37 ft at 5:30AM Mar 21, 2023Observed: 19.35 ft at 5:45AM Mar 21, 2023Observed: 19.34 ft at 6:00AM Mar 21, 2023Observed: 19.35 ft at 6:15AM Mar 21, 2023Observed: 19.33 ft at 6:30AM Mar 21, 2023Observed: 19.34 ft at 6:45AM Mar 21, 2023Observed: 19.31 ft at 7:00AM Mar 21, 2023Observed: 19.34 ft at 7:15AM Mar 21, 2023Observed: 19.33 ft at 7:30AM Mar 21, 2023Observed: 19.3 ft at 7:45AM Mar 21, 2023Observed: 19.32 ft at 8:00AM Mar 21, 2023Observed: 19.3 ft at 8:15AM Mar 21, 2023Observed: 19.3 ft at 8:30AM Mar 21, 2023Observed: 19.29 ft at 8:45AM Mar 21, 2023Observed: 19.29 ft at 9:00AM Mar 21, 2023Observed: 19.29 ft at 9:15AM Mar 21, 2023Observed: 19.28 ft at 9:30AM Mar 21, 2023Observed: 19.3 ft at 9:45AM Mar 21, 2023Observed: 19.29 ft at 10:00AM Mar 21, 2023Observed: 19.3 ft at 10:15AM Mar 21, 2023Observed: 19.27 ft at 10:30AM Mar 21, 2023Observed: 19.29 ft at 10:45AM Mar 21, 2023Observed: 19.29 ft at 11:00AM Mar 21, 2023Observed: 19.27 ft at 11:15AM Mar 21, 2023Observed: 19.28 ft at 11:30AM Mar 21, 2023Observed: 19.28 ft at 11:45AM Mar 21, 2023Observed: 19.25 ft at 12:00PM Mar 21, 2023Observed: 19.26 ft at 12:15PM Mar 21, 2023Observed: 19.25 ft at 12:30PM Mar 21, 2023Observed: 19.25 ft at 12:45PM Mar 21, 2023Observed: 19.23 ft at 1:00PM Mar 21, 2023Observed: 19.24 ft at 1:15PM Mar 21, 2023Observed: 19.22 ft at 1:30PM Mar 21, 2023Observed: 19.22 ft at 1:45PM Mar 21, 2023Observed: 19.24 ft at 2:00PM Mar 21, 2023Observed: 19.23 ft at 2:15PM Mar 21, 2023Observed: 19.22 ft at 2:30PM Mar 21, 2023Observed: 19.22 ft at 2:45PM Mar 21, 2023Observed: 19.19 ft at 3:00PM Mar 21, 2023Observed: 19.16 ft at 3:15PM Mar 21, 2023Observed: 19.16 ft at 3:30PM Mar 21, 2023Observed: 19.16 ft at 3:45PM Mar 21, 2023Observed: 19.18 ft at 4:00PM Mar 21, 2023Observed: 19.12 ft at 4:15PM Mar 21, 2023Observed: 19.17 ft at 4:30PM Mar 21, 2023Observed: 19.13 ft at 4:45PM Mar 21, 2023Observed: 19.13 ft at 5:00PM Mar 21, 2023Observed: 19.15 ft at 5:15PM Mar 21, 2023Observed: 19.14 ft at 5:30PM Mar 21, 2023Observed: 19.17 ft at 5:45PM Mar 21, 2023Observed: 19.19 ft at 6:00PM Mar 21, 2023Observed: 19.19 ft at 6:15PM Mar 21, 2023Observed: 19.19 ft at 6:30PM Mar 21, 2023Observed: 19.2 ft at 6:45PM Mar 21, 2023Observed: 19.18 ft at 7:00PM Mar 21, 2023Observed: 19.17 ft at 7:15PM Mar 21, 2023Observed: 19.17 ft at 7:30PM Mar 21, 2023Observed: 19.18 ft at 7:45PM Mar 21, 2023Observed: 19.18 ft at 8:00PM Mar 21, 2023Observed: 19.18 ft at 8:15PM Mar 21, 2023Observed: 19.17 ft at 8:30PM Mar 21, 2023Observed: 19.13 ft at 8:45PM Mar 21, 2023Observed: 19.13 ft at 9:00PM Mar 21, 2023Observed: 19.13 ft at 9:15PM Mar 21, 2023Observed: 19.16 ft at 9:30PM Mar 21, 2023Observed: 19.15 ft at 9:45PM Mar 21, 2023Observed: 19.15 ft at 10:00PM Mar 21, 2023Observed: 19.14 ft at 10:15PM Mar 21, 2023Observed: 19.13 ft at 10:30PM Mar 21, 2023Observed: 19.13 ft at 10:45PM Mar 21, 2023Observed: 19.14 ft at 11:00PM Mar 21, 2023Observed: 19.13 ft at 11:15PM Mar 21, 2023Observed: 19.14 ft at 11:30PM Mar 21, 2023Observed: 19.12 ft at 11:45PM Mar 21, 2023Observed: 19.12 ft at 12:00AM Mar 22, 2023Observed: 19.11 ft at 12:15AM Mar 22, 2023Observed: 19.1 ft at 12:30AM Mar 22, 2023Observed: 19.11 ft at 12:45AM Mar 22, 2023Observed: 19.11 ft at 1:00AM Mar 22, 2023Observed: 19.11 ft at 1:15AM Mar 22, 2023Observed: 19.1 ft at 1:30AM Mar 22, 2023Observed: 19.09 ft at 1:45AM Mar 22, 2023Observed: 19.08 ft at 2:15AM Mar 22, 2023Observed: 19.09 ft at 2:30AM Mar 22, 2023Observed: 19.07 ft at 2:45AM Mar 22, 2023Observed: 19.1 ft at 3:15AM Mar 22, 2023Observed: 19.07 ft at 3:30AM Mar 22, 2023Observed: 19.06 ft at 3:45AM Mar 22, 2023Observed: 19.05 ft at 4:00AM Mar 22, 2023Observed: 19.05 ft at 4:15AM Mar 22, 2023Observed: 19.03 ft at 4:30AM Mar 22, 2023Observed: 19.05 ft at 4:45AM Mar 22, 2023Observed: 19.03 ft at 5:00AM Mar 22, 2023Observed: 19.02 ft at 5:15AM Mar 22, 2023Observed: 19.02 ft at 5:30AM Mar 22, 2023Observed: 19.01 ft at 5:45AM Mar 22, 2023Observed: 18.99 ft at 6:00AM Mar 22, 2023Observed: 19.01 ft at 6:15AM Mar 22, 2023Observed: 19.01 ft at 6:30AM Mar 22, 2023Observed: 18.99 ft at 6:45AM Mar 22, 2023Observed: 18.98 ft at 7:00AM Mar 22, 2023Observed: 19 ft at 7:15AM Mar 22, 2023Observed: 18.99 ft at 7:30AM Mar 22, 2023Observed: 18.99 ft at 7:45AM Mar 22, 2023Observed: 19.01 ft at 8:00AM Mar 22, 2023Observed: 18.99 ft at 8:15AM Mar 22, 2023Observed: 18.97 ft at 8:30AM Mar 22, 2023Observed: 18.97 ft at 8:45AM Mar 22, 2023Observed: 18.97 ft at 9:00AM Mar 22, 2023Observed: 18.96 ft at 9:15AM Mar 22, 2023Observed: 18.97 ft at 9:30AM Mar 22, 2023Observed: 19.01 ft at 9:45AM Mar 22, 2023Observed: 18.95 ft at 10:00AM Mar 22, 2023Observed: 18.92 ft at 10:15AM Mar 22, 2023Observed: 18.93 ft at 10:30AM Mar 22, 2023Observed: 18.92 ft at 10:45AM Mar 22, 2023Observed: 18.93 ft at 11:00AM Mar 22, 2023Observed: 18.92 ft at 11:15AM Mar 22, 2023Observed: 18.93 ft at 11:30AM Mar 22, 2023Observed: 18.92 ft at 11:45AM Mar 22, 2023Observed: 18.93 ft at 12:00PM Mar 22, 2023Observed: 18.93 ft at 12:15PM Mar 22, 2023Observed: 18.93 ft at 12:30PM Mar 22, 2023Observed: 18.92 ft at 12:45PM Mar 22, 2023Observed: 18.91 ft at 1:00PM Mar 22, 2023Observed: 18.92 ft at 1:15PM Mar 22, 2023Observed: 18.9 ft at 1:30PM Mar 22, 2023Observed: 18.91 ft at 1:45PM Mar 22, 2023Observed: 18.89 ft at 2:00PM Mar 22, 2023Observed: 18.9 ft at 2:15PM Mar 22, 2023Observed: 18.94 ft at 2:30PM Mar 22, 2023Observed: 18.93 ft at 2:45PM Mar 22, 2023Observed: 18.9 ft at 3:00PM Mar 22, 2023Observed: 18.91 ft at 3:15PM Mar 22, 2023Observed: 18.88 ft at 3:30PM Mar 22, 2023Observed: 18.88 ft at 3:45PM Mar 22, 2023Observed: 18.89 ft at 4:00PM Mar 22, 2023Observed: 18.88 ft at 4:15PM Mar 22, 2023Observed: 18.87 ft at 4:30PM Mar 22, 2023Observed: 18.87 ft at 4:45PM Mar 22, 2023Observed: 18.86 ft at 5:00PM Mar 22, 2023Observed: 18.87 ft at 5:15PM Mar 22, 2023Observed: 18.85 ft at 5:30PM Mar 22, 2023Observed: 18.85 ft at 5:45PM Mar 22, 2023Observed: 18.85 ft at 6:00PM Mar 22, 2023Observed: 18.83 ft at 6:15PM Mar 22, 2023Observed: 18.85 ft at 6:30PM Mar 22, 2023Observed: 18.82 ft at 6:45PM Mar 22, 2023Observed: 18.82 ft at 7:00PM Mar 22, 2023Observed: 18.81 ft at 7:15PM Mar 22, 2023Observed: 18.81 ft at 7:30PM Mar 22, 2023Observed: 18.82 ft at 7:45PM Mar 22, 2023Observed: 18.8 ft at 8:00PM Mar 22, 2023Observed: 18.79 ft at 8:15PM Mar 22, 2023Observed: 18.79 ft at 8:45PM Mar 22, 2023Observed: 18.78 ft at 9:00PM Mar 22, 2023Observed: 18.77 ft at 9:15PM Mar 22, 2023Observed: 18.78 ft at 9:30PM Mar 22, 2023Observed: 18.75 ft at 9:45PM Mar 22, 2023Observed: 18.75 ft at 10:00PM Mar 22, 2023Observed: 18.75 ft at 10:15PM Mar 22, 2023Observed: 18.74 ft at 10:30PM Mar 22, 2023Observed: 18.74 ft at 10:45PM Mar 22, 2023Observed: 18.72 ft at 11:00PM Mar 22, 2023Observed: 18.73 ft at 11:15PM Mar 22, 2023Observed: 18.72 ft at 11:30PM Mar 22, 2023Observed: 18.71 ft at 11:45PM Mar 22, 2023Observed: 18.71 ft at 12:00AM Mar 23, 2023Observed: 18.71 ft at 12:15AM Mar 23, 2023Observed: 18.69 ft at 12:30AM Mar 23, 2023Observed: 18.7 ft at 12:45AM Mar 23, 2023Observed: 18.69 ft at 1:00AM Mar 23, 2023Observed: 18.67 ft at 1:15AM Mar 23, 2023Observed: 18.68 ft at 1:30AM Mar 23, 2023Observed: 18.66 ft at 1:45AM Mar 23, 2023Observed: 18.66 ft at 2:00AM Mar 23, 2023Observed: 18.67 ft at 2:15AM Mar 23, 2023Observed: 18.66 ft at 2:30AM Mar 23, 2023Observed: 18.66 ft at 2:45AM Mar 23, 2023Observed: 18.65 ft at 3:00AM Mar 23, 2023Observed: 18.65 ft at 3:15AM Mar 23, 2023Observed: 18.66 ft at 3:30AM Mar 23, 2023Observed: 18.66 ft at 3:45AM Mar 23, 2023Observed: 18.65 ft at 4:00AM Mar 23, 2023Observed: 18.64 ft at 4:15AM Mar 23, 2023Observed: 18.63 ft at 4:30AM Mar 23, 2023Observed: 18.65 ft at 4:45AM Mar 23, 2023Observed: 18.64 ft at 5:00AM Mar 23, 2023Observed: 18.62 ft at 5:15AM Mar 23, 2023Observed: 18.61 ft at 5:30AM Mar 23, 2023Observed: 18.64 ft at 5:45AM Mar 23, 2023Observed: 18.62 ft at 6:00AM Mar 23, 2023Observed: 18.63 ft at 6:15AM Mar 23, 2023Observed: 18.65 ft at 6:30AM Mar 23, 2023Observed: 18.65 ft at 6:45AM Mar 23, 2023Observed: 18.66 ft at 7:00AM Mar 23, 2023Observed: 18.63 ft at 7:15AM Mar 23, 2023Observed: 18.59 ft at 7:30AM Mar 23, 2023Observed: 18.61 ft at 7:45AM Mar 23, 2023Observed: 18.59 ft at 8:00AM Mar 23, 2023Observed: 18.59 ft at 8:15AM Mar 23, 2023Observed: 18.63 ft at 8:30AM Mar 23, 2023Observed: 18.59 ft at 8:45AM Mar 23, 2023Observed: 18.57 ft at 9:00AM Mar 23, 2023Observed: 18.58 ft at 9:15AM Mar 23, 2023Observed: 18.58 ft at 9:30AM Mar 23, 2023Observed: 18.58 ft at 9:45AM Mar 23, 2023Observed: 18.57 ft at 10:00AM Mar 23, 2023Observed: 18.58 ft at 10:15AM Mar 23, 2023Observed: 18.61 ft at 10:30AM Mar 23, 2023Observed: 18.57 ft at 11:00AM Mar 23, 2023Observed: 18.55 ft at 11:15AM Mar 23, 2023Observed: 18.57 ft at 11:30AM Mar 23, 2023Observed: 18.56 ft at 11:45AM Mar 23, 2023Observed: 18.57 ft at 12:15PM Mar 23, 2023Observed: 18.54 ft at 12:30PM Mar 23, 2023Observed: 18.54 ft at 12:45PM Mar 23, 2023Observed: 18.52 ft at 1:00PM Mar 23, 2023Observed: 18.51 ft at 1:15PM Mar 23, 2023Observed: 18.54 ft at 1:30PM Mar 23, 2023Observed: 18.52 ft at 1:45PM Mar 23, 2023Observed: 18.53 ft at 2:00PM Mar 23, 2023Observed: 18.51 ft at 2:15PM Mar 23, 2023Observed: 18.5 ft at 2:30PM Mar 23, 2023Observed: 18.52 ft at 2:45PM Mar 23, 2023Observed: 18.52 ft at 3:00PM Mar 23, 2023Observed: 18.5 ft at 3:15PM Mar 23, 2023Observed: 18.51 ft at 3:30PM Mar 23, 2023Observed: 18.51 ft at 3:45PM Mar 23, 2023Observed: 18.5 ft at 4:00PM Mar 23, 2023Observed: 18.5 ft at 4:15PM Mar 23, 2023Observed: 18.51 ft at 4:30PM Mar 23, 2023Observed: 18.5 ft at 4:45PM Mar 23, 2023Observed: 18.52 ft at 5:00PM Mar 23, 2023Observed: 18.5 ft at 5:15PM Mar 23, 2023Observed: 18.54 ft at 5:30PM Mar 23, 2023Observed: 18.5 ft at 5:45PM Mar 23, 2023Observed: 18.51 ft at 6:00PM Mar 23, 2023Observed: 18.49 ft at 6:15PM Mar 23, 2023Observed: 18.49 ft at 6:30PM Mar 23, 2023Observed: 18.5 ft at 6:45PM Mar 23, 2023Observed: 18.49 ft at 7:00PM Mar 23, 2023Observed: 18.49 ft at 7:15PM Mar 23, 2023Observed: 18.5 ft at 7:30PM Mar 23, 2023Observed: 18.49 ft at 7:45PM Mar 23, 2023Observed: 18.5 ft at 8:00PM Mar 23, 2023Observed: 18.51 ft at 8:15PM Mar 23, 2023Observed: 18.49 ft at 8:30PM Mar 23, 2023Observed: 18.5 ft at 8:45PM Mar 23, 2023Observed: 18.5 ft at 9:00PM Mar 23, 2023Observed: 18.48 ft at 9:15PM Mar 23, 2023Observed: 18.5 ft at 9:30PM Mar 23, 2023Observed: 18.51 ft at 9:45PM Mar 23, 2023Observed: 18.49 ft at 10:00PM Mar 23, 2023Observed: 18.51 ft at 10:15PM Mar 23, 2023Observed: 18.49 ft at 10:30PM Mar 23, 2023Observed: 18.52 ft at 10:45PM Mar 23, 2023Observed: 18.5 ft at 11:00PM Mar 23, 2023Observed: 18.49 ft at 11:15PM Mar 23, 2023Observed: 18.52 ft at 11:30PM Mar 23, 2023Observed: 18.47 ft at 11:45PM Mar 23, 2023Observed: 18.47 ft at 12:00AM Mar 24, 2023Observed: 18.49 ft at 12:15AM Mar 24, 2023Observed: 18.49 ft at 12:30AM Mar 24, 2023Observed: 18.5 ft at 12:45AM Mar 24, 2023Observed: 18.51 ft at 1:00AM Mar 24, 2023Observed: 18.49 ft at 1:15AM Mar 24, 2023Observed: 18.48 ft at 1:30AM Mar 24, 2023Observed: 18.48 ft at 1:45AM Mar 24, 2023Observed: 18.48 ft at 2:00AM Mar 24, 2023Observed: 18.49 ft at 2:15AM Mar 24, 2023Observed: 18.51 ft at 2:30AM Mar 24, 2023Observed: 18.48 ft at 2:45AM Mar 24, 2023Observed: 18.48 ft at 3:00AM Mar 24, 2023Observed: 18.48 ft at 3:15AM Mar 24, 2023Observed: 18.49 ft at 3:30AM Mar 24, 2023Observed: 18.49 ft at 3:45AM Mar 24, 2023Observed: 18.49 ft at 4:00AM Mar 24, 2023Observed: 18.47 ft at 4:15AM Mar 24, 2023Observed: 18.48 ft at 4:30AM Mar 24, 2023Observed: 18.47 ft at 4:45AM Mar 24, 2023Observed: 18.48 ft at 5:00AM Mar 24, 2023Observed: 18.45 ft at 5:15AM Mar 24, 2023Observed: 18.45 ft at 5:30AM Mar 24, 2023Observed: 18.45 ft at 5:45AM Mar 24, 2023Observed: 18.45 ft at 6:00AM Mar 24, 2023Observed: 18.46 ft at 6:15AM Mar 24, 2023Observed: 18.44 ft at 6:30AM Mar 24, 2023Observed: 18.44 ft at 6:45AM Mar 24, 2023Observed: 18.45 ft at 7:00AM Mar 24, 2023Observed: 18.43 ft at 7:15AM Mar 24, 2023Observed: 18.44 ft at 7:30AM Mar 24, 2023Observed: 18.43 ft at 7:45AM Mar 24, 2023Observed: 18.43 ft at 8:00AM Mar 24, 2023Observed: 18.41 ft at 8:15AM Mar 24, 2023Observed: 18.44 ft at 8:30AM Mar 24, 2023Observed: 18.4 ft at 8:45AM Mar 24, 2023Observed: 18.42 ft at 9:00AM Mar 24, 2023Observed: 18.43 ft at 9:15AM Mar 24, 2023Observed: 18.39 ft at 9:30AM Mar 24, 2023Observed: 18.4 ft at 9:45AM Mar 24, 2023Observed: 18.42 ft at 10:00AM Mar 24, 2023Observed: 18.41 ft at 10:15AM Mar 24, 2023Observed: 18.41 ft at 10:30AM Mar 24, 2023Observed: 18.4 ft at 10:45AM Mar 24, 2023Observed: 18.4 ft at 11:00AM Mar 24, 2023Observed: 18.41 ft at 11:15AM Mar 24, 2023Observed: 18.42 ft at 11:30AM Mar 24, 2023Observed: 18.39 ft at 11:45AM Mar 24, 2023Observed: 18.39 ft at 12:00PM Mar 24, 2023Observed: 18.39 ft at 12:15PM Mar 24, 2023Observed: 18.4 ft at 12:30PM Mar 24, 2023Observed: 18.4 ft at 12:45PM Mar 24, 2023Forecast: 18.5 ft 7:00PM Mar 24, 2023Forecast: 18.6 ft 1:00AM Mar 25, 2023Forecast: 18.6 ft 7:00AM Mar 25, 2023Forecast: 18.7 ft 1:00PM Mar 25, 2023Forecast: 18.8 ft 7:00PM Mar 25, 2023Forecast: 19 ft 1:00AM Mar 26, 2023Forecast: 19.2 ft 7:00AM Mar 26, 2023Forecast: 19.4 ft 1:00PM Mar 26, 2023Forecast: 19.7 ft 7:00PM Mar 26, 2023Forecast: 20 ft 1:00AM Mar 27, 2023Forecast: 20.2 ft 7:00AM Mar 27, 2023Forecast: 20.4 ft 1:00PM Mar 27, 2023Forecast: 20.7 ft 7:00PM Mar 27, 2023Forecast: 20.9 ft 1:00AM Mar 28, 2023Forecast: 21.1 ft 7:00AM Mar 28, 2023Forecast: 21.2 ft 1:00PM Mar 28, 2023Forecast: 21.4 ft 7:00PM Mar 28, 2023Forecast: 21.5 ft 1:00AM Mar 29, 2023Forecast: 21.5 ft 7:00AM Mar 29, 2023Highest Forecast: 21.6 ft 1:00PM Mar 29, 2023Highest Forecast: 21.6 ft 7:00PM Mar 29, 2023Highest Forecast: 21.6 ft 1:00AM Mar 30, 2023Forecast: 21.5 ft 7:00AM Mar 30, 2023Forecast: 21.5 ft 1:00PM Mar 30, 2023Forecast: 21.4 ft 7:00PM Mar 30, 2023Forecast: 21.4 ft 1:00AM Mar 31, 2023Forecast: 21.4 ft 7:00AM Mar 31, 2023USGS--Water Resources of the United StatesHNYI2(plotting HGIRG) Graph Created (1:24PM Mar 24, 2023)ObservedForecast (issued 9:44AM Mar 24)Latest observed value: 18.4 ft at 12:45 PM CDT 24-Mar-2023. Flood Stage is 23 ft
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Tabular Data (UTC)
Tabular Data (CDT)
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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.

NOTE: Forecasts for the Illinois River near Henry are issued routinely year-round.

Vertical Datum updated from NGVD29 to NAVD88 by gauge owner.

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Upstream Gauge - near La Salle Upstream Gauge Downstream Gauge Downstream Gauge - at Chillicothe
Flood Categories (in feet)
Major Flood Stage: 31
Moderate Flood Stage: 24
Flood Stage: 23
Action Stage: 22
Low Stage (in feet): -9999

Historic Crests
(1) 32.94 ft on 04/22/2013
(2) 32.67 ft on 03/22/1979
(3) 32.20 ft on 05/23/1943
(4) 32.02 ft on 03/07/1985
(5) 31.62 ft on 05/21/2020
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 21.20 ft on 05/09/2022
(2) 22.84 ft on 04/08/2022
(3) 22.60 ft on 02/25/2022
(4) 23.42 ft on 11/01/2021
(5) 24.18 ft on 07/03/2021
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:15
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Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
32.5 Illinois Route 18 in Marshall County is closed. Parts of Illinois Route 17 between Sparland and Lacon are closed.
32 Water begins flooding parts of Illinois Route 18 between Henry and Illinois Route 26. Parts of Illinois Route 17 begin to flood.
30.5 The Marina building, Waterworks Park, and grain loading facility in Henry are flooded.
29.6 A few homes begin to flood in Henry.
28.5 Hennepin levee overtopped.
28 Flooding begins to affect buildings east of Illinois Route 29 in Sparland.
23 Water begins to affect the marina in Henry along with minor flooding of land adjacent to the river.
Photos
(1) Looking Downstream (Stage: 15.45 ft)
(2) Looking Upstream (Stage: 15.45 ft)
(3) Gauge House
About This Location Collapse

Latitude: 41.107222° N, Longitude: 89.356111° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 23 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 425.57 ft 448.57 ft Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 425.88 ft 448.88 ft 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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USGS Streamflow Duration Hydrograph
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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
Lincoln Weather Forecast Office
1362 State Route 10
Lincoln, IL 62656
(217) 732-3089
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