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Hydrograph River at a Glance Download
Patapsco River near Elkridge at Patapsco Valley State Park Stage (ft)Flow (cfs)Highest Observation: 6.63 ft at 6:15PM Apr 14, 2024Observed: 6.61 ft at 6:30PM Apr 14, 2024Highest Observation: 6.63 ft at 6:45PM Apr 14, 2024Observed: 6.62 ft at 7:00PM Apr 14, 2024Observed: 6.61 ft at 7:15PM Apr 14, 2024Observed: 6.61 ft at 7:30PM Apr 14, 2024Observed: 6.62 ft at 7:45PM Apr 14, 2024Highest Observation: 6.63 ft at 8:00PM Apr 14, 2024Highest Observation: 6.63 ft at 8:15PM Apr 14, 2024Observed: 6.62 ft at 8:30PM Apr 14, 2024Observed: 6.6 ft at 8:45PM Apr 14, 2024Observed: 6.61 ft at 9:00PM Apr 14, 2024Observed: 6.61 ft at 9:15PM Apr 14, 2024Observed: 6.62 ft at 9:30PM Apr 14, 2024Observed: 6.62 ft at 9:45PM Apr 14, 2024Observed: 6.61 ft at 10:00PM Apr 14, 2024Observed: 6.62 ft at 10:15PM Apr 14, 2024Observed: 6.62 ft at 10:30PM Apr 14, 2024Observed: 6.61 ft at 10:45PM Apr 14, 2024Observed: 6.6 ft at 11:00PM Apr 14, 2024Observed: 6.6 ft at 11:15PM Apr 14, 2024Observed: 6.62 ft at 11:30PM Apr 14, 2024Observed: 6.58 ft at 11:45PM Apr 14, 2024Observed: 6.6 ft at 12:00AM Apr 15, 2024Observed: 6.6 ft at 12:15AM Apr 15, 2024Observed: 6.6 ft at 12:30AM Apr 15, 2024Observed: 6.6 ft at 12:45AM Apr 15, 2024Observed: 6.59 ft at 1:00AM Apr 15, 2024Observed: 6.59 ft at 1:15AM Apr 15, 2024Observed: 6.6 ft at 1:30AM Apr 15, 2024Observed: 6.6 ft at 1:45AM Apr 15, 2024Observed: 6.59 ft at 2:00AM Apr 15, 2024Observed: 6.58 ft at 2:15AM Apr 15, 2024Observed: 6.58 ft at 2:30AM Apr 15, 2024Observed: 6.57 ft at 2:45AM Apr 15, 2024Observed: 6.59 ft at 3:00AM Apr 15, 2024Observed: 6.59 ft at 3:15AM Apr 15, 2024Observed: 6.58 ft at 3:30AM Apr 15, 2024Observed: 6.58 ft at 3:45AM Apr 15, 2024Observed: 6.59 ft at 4:00AM Apr 15, 2024Observed: 6.58 ft at 4:15AM Apr 15, 2024Observed: 6.57 ft at 4:30AM Apr 15, 2024Observed: 6.58 ft at 4:45AM Apr 15, 2024Observed: 6.58 ft at 5:00AM Apr 15, 2024Observed: 6.58 ft at 5:15AM Apr 15, 2024Observed: 6.57 ft at 5:30AM Apr 15, 2024Observed: 6.58 ft at 5:45AM Apr 15, 2024Observed: 6.58 ft at 6:00AM Apr 15, 2024Observed: 6.58 ft at 6:15AM Apr 15, 2024Observed: 6.58 ft at 6:30AM Apr 15, 2024Observed: 6.58 ft at 6:45AM Apr 15, 2024Observed: 6.59 ft at 7:00AM Apr 15, 2024Observed: 6.58 ft at 7:15AM Apr 15, 2024Observed: 6.57 ft at 7:30AM Apr 15, 2024Observed: 6.59 ft at 7:45AM Apr 15, 2024Observed: 6.59 ft at 8:00AM Apr 15, 2024Observed: 6.58 ft at 8:15AM Apr 15, 2024Observed: 6.59 ft at 8:30AM Apr 15, 2024Observed: 6.57 ft at 8:45AM Apr 15, 2024Observed: 6.58 ft at 9:00AM Apr 15, 2024Observed: 6.58 ft at 9:15AM Apr 15, 2024Observed: 6.58 ft at 9:30AM Apr 15, 2024Observed: 6.58 ft at 9:45AM Apr 15, 2024Observed: 6.58 ft at 10:00AM Apr 15, 2024Observed: 6.58 ft at 10:15AM Apr 15, 2024Observed: 6.59 ft at 10:30AM Apr 15, 2024Observed: 6.57 ft at 10:45AM Apr 15, 2024Observed: 6.57 ft at 11:00AM Apr 15, 2024Observed: 6.57 ft at 11:15AM Apr 15, 2024Observed: 6.57 ft at 11:30AM Apr 15, 2024Observed: 6.57 ft at 11:45AM Apr 15, 2024Observed: 6.58 ft at 12:00PM Apr 15, 2024Observed: 6.56 ft at 12:15PM Apr 15, 2024Observed: 6.57 ft at 12:30PM Apr 15, 2024Observed: 6.58 ft at 12:45PM Apr 15, 2024Observed: 6.56 ft at 1:00PM Apr 15, 2024Observed: 6.57 ft at 1:15PM Apr 15, 2024Observed: 6.58 ft at 1:30PM Apr 15, 2024Observed: 6.57 ft at 1:45PM Apr 15, 2024Observed: 6.57 ft at 2:00PM Apr 15, 2024Observed: 6.57 ft at 2:15PM Apr 15, 2024Observed: 6.58 ft at 2:30PM Apr 15, 2024Observed: 6.58 ft at 2:45PM Apr 15, 2024Observed: 6.58 ft at 3:00PM Apr 15, 2024Observed: 6.57 ft at 3:15PM Apr 15, 2024Observed: 6.58 ft at 3:30PM Apr 15, 2024Observed: 6.58 ft at 3:45PM Apr 15, 2024Observed: 6.58 ft at 4:00PM Apr 15, 2024Observed: 6.59 ft at 4:15PM Apr 15, 2024Observed: 6.58 ft at 4:30PM Apr 15, 2024Observed: 6.58 ft at 4:45PM Apr 15, 2024Observed: 6.58 ft at 5:00PM Apr 15, 2024Observed: 6.59 ft at 5:15PM Apr 15, 2024Observed: 6.57 ft at 5:30PM Apr 15, 2024Observed: 6.58 ft at 5:45PM Apr 15, 2024Observed: 6.57 ft at 6:00PM Apr 15, 2024Observed: 6.56 ft at 6:15PM Apr 15, 2024Observed: 6.57 ft at 6:30PM Apr 15, 2024Observed: 6.55 ft at 6:45PM Apr 15, 2024Observed: 6.57 ft at 7:00PM Apr 15, 2024Observed: 6.57 ft at 7:15PM Apr 15, 2024Observed: 6.57 ft at 7:30PM Apr 15, 2024Observed: 6.59 ft at 7:45PM Apr 15, 2024Observed: 6.57 ft at 8:00PM Apr 15, 2024Observed: 6.57 ft at 8:15PM Apr 15, 2024Observed: 6.58 ft at 8:30PM Apr 15, 2024Observed: 6.58 ft at 8:45PM Apr 15, 2024Observed: 6.58 ft at 9:00PM Apr 15, 2024Observed: 6.57 ft at 9:15PM Apr 15, 2024Observed: 6.57 ft at 9:30PM Apr 15, 2024Observed: 6.58 ft at 9:45PM Apr 15, 2024Observed: 6.59 ft at 10:00PM Apr 15, 2024Observed: 6.58 ft at 10:15PM Apr 15, 2024Observed: 6.58 ft at 10:30PM Apr 15, 2024Observed: 6.57 ft at 10:45PM Apr 15, 2024Observed: 6.6 ft at 11:00PM Apr 15, 2024Observed: 6.58 ft at 11:15PM Apr 15, 2024Observed: 6.59 ft at 11:30PM Apr 15, 2024Observed: 6.58 ft at 11:45PM Apr 15, 2024Observed: 6.59 ft at 12:00AM Apr 16, 2024Observed: 6.59 ft at 12:15AM Apr 16, 2024Observed: 6.57 ft at 12:30AM Apr 16, 2024Observed: 6.57 ft at 12:45AM Apr 16, 2024Observed: 6.58 ft at 1:00AM Apr 16, 2024Observed: 6.58 ft at 1:15AM Apr 16, 2024Observed: 6.57 ft at 1:30AM Apr 16, 2024Observed: 6.56 ft at 1:45AM Apr 16, 2024Observed: 6.56 ft at 2:00AM Apr 16, 2024Observed: 6.57 ft at 2:15AM Apr 16, 2024Observed: 6.57 ft at 2:30AM Apr 16, 2024Observed: 6.58 ft at 2:45AM Apr 16, 2024Observed: 6.58 ft at 3:00AM Apr 16, 2024Observed: 6.58 ft at 3:15AM Apr 16, 2024Observed: 6.57 ft at 3:30AM Apr 16, 2024Observed: 6.57 ft at 3:45AM Apr 16, 2024Observed: 6.57 ft at 4:00AM Apr 16, 2024Observed: 6.56 ft at 4:15AM Apr 16, 2024Observed: 6.57 ft at 4:30AM Apr 16, 2024Observed: 6.56 ft at 4:45AM Apr 16, 2024Observed: 6.55 ft at 5:00AM Apr 16, 2024Observed: 6.55 ft at 5:15AM Apr 16, 2024Observed: 6.56 ft at 5:30AM Apr 16, 2024Observed: 6.55 ft at 5:45AM Apr 16, 2024Observed: 6.54 ft at 6:00AM Apr 16, 2024Observed: 6.54 ft at 6:15AM Apr 16, 2024Observed: 6.54 ft at 6:30AM Apr 16, 2024Observed: 6.55 ft at 6:45AM Apr 16, 2024Observed: 6.54 ft at 7:00AM Apr 16, 2024Observed: 6.53 ft at 7:15AM Apr 16, 2024Observed: 6.53 ft at 7:30AM Apr 16, 2024Observed: 6.52 ft at 7:45AM Apr 16, 2024Observed: 6.53 ft at 8:00AM Apr 16, 2024Observed: 6.52 ft at 8:15AM Apr 16, 2024Observed: 6.53 ft at 8:30AM Apr 16, 2024Observed: 6.52 ft at 8:45AM Apr 16, 2024Observed: 6.53 ft at 9:00AM Apr 16, 2024Observed: 6.52 ft at 9:15AM Apr 16, 2024Observed: 6.53 ft at 9:30AM Apr 16, 2024Observed: 6.53 ft at 9:45AM Apr 16, 2024Observed: 6.53 ft at 10:00AM Apr 16, 2024Observed: 6.54 ft at 10:15AM Apr 16, 2024Observed: 6.54 ft at 10:30AM Apr 16, 2024Observed: 6.54 ft at 10:45AM Apr 16, 2024Observed: 6.53 ft at 11:00AM Apr 16, 2024Observed: 6.55 ft at 11:15AM Apr 16, 2024Observed: 6.54 ft at 11:30AM Apr 16, 2024Observed: 6.54 ft at 11:45AM Apr 16, 2024Observed: 6.53 ft at 12:00PM Apr 16, 2024Observed: 6.53 ft at 12:15PM Apr 16, 2024Observed: 6.52 ft at 12:30PM Apr 16, 2024Observed: 6.53 ft at 12:45PM Apr 16, 2024Observed: 6.52 ft at 1:00PM Apr 16, 2024Observed: 6.5 ft at 1:15PM Apr 16, 2024Observed: 6.51 ft at 1:30PM Apr 16, 2024Observed: 6.51 ft at 1:45PM Apr 16, 2024Observed: 6.52 ft at 2:00PM Apr 16, 2024Observed: 6.5 ft at 2:15PM Apr 16, 2024Observed: 6.51 ft at 2:30PM Apr 16, 2024Observed: 6.49 ft at 2:45PM Apr 16, 2024Observed: 6.5 ft at 3:00PM Apr 16, 2024Observed: 6.49 ft at 3:15PM Apr 16, 2024Observed: 6.5 ft at 3:30PM Apr 16, 2024Observed: 6.5 ft at 3:45PM Apr 16, 2024Observed: 6.5 ft at 4:00PM Apr 16, 2024Observed: 6.5 ft at 4:15PM Apr 16, 2024Observed: 6.48 ft at 4:30PM Apr 16, 2024Observed: 6.49 ft at 4:45PM Apr 16, 2024Observed: 6.48 ft at 5:00PM Apr 16, 2024Observed: 6.49 ft at 5:15PM Apr 16, 2024Observed: 6.49 ft at 5:30PM Apr 16, 2024Observed: 6.48 ft at 5:45PM Apr 16, 2024Observed: 6.5 ft at 6:00PM Apr 16, 2024Observed: 6.49 ft at 6:15PM Apr 16, 2024Observed: 6.48 ft at 6:30PM Apr 16, 2024Observed: 6.49 ft at 6:45PM Apr 16, 2024Observed: 6.49 ft at 7:00PM Apr 16, 2024Observed: 6.49 ft at 7:15PM Apr 16, 2024Observed: 6.48 ft at 7:30PM Apr 16, 2024Observed: 6.48 ft at 7:45PM Apr 16, 2024Observed: 6.49 ft at 8:00PM Apr 16, 2024Observed: 6.5 ft at 8:15PM Apr 16, 2024Observed: 6.49 ft at 8:30PM Apr 16, 2024Observed: 6.47 ft at 8:45PM Apr 16, 2024Observed: 6.48 ft at 9:00PM Apr 16, 2024Observed: 6.49 ft at 9:15PM Apr 16, 2024Observed: 6.47 ft at 9:30PM Apr 16, 2024Observed: 6.47 ft at 9:45PM Apr 16, 2024Observed: 6.47 ft at 10:00PM Apr 16, 2024Observed: 6.47 ft at 10:15PM Apr 16, 2024Observed: 6.48 ft at 10:30PM Apr 16, 2024Observed: 6.48 ft at 10:45PM Apr 16, 2024Observed: 6.46 ft at 11:00PM Apr 16, 2024Observed: 6.48 ft at 11:15PM Apr 16, 2024Observed: 6.48 ft at 11:30PM Apr 16, 2024Observed: 6.48 ft at 11:45PM Apr 16, 2024Observed: 6.47 ft at 12:00AM Apr 17, 2024Observed: 6.47 ft at 12:15AM Apr 17, 2024Observed: 6.45 ft at 12:30AM Apr 17, 2024Observed: 6.46 ft at 12:45AM Apr 17, 2024Observed: 6.46 ft at 1:00AM Apr 17, 2024Observed: 6.46 ft at 1:15AM Apr 17, 2024Observed: 6.45 ft at 1:30AM Apr 17, 2024Observed: 6.46 ft at 1:45AM Apr 17, 2024Observed: 6.44 ft at 2:00AM Apr 17, 2024Observed: 6.45 ft at 2:15AM Apr 17, 2024Observed: 6.46 ft at 2:30AM Apr 17, 2024Observed: 6.45 ft at 2:45AM Apr 17, 2024Observed: 6.43 ft at 3:00AM Apr 17, 2024Observed: 6.44 ft at 3:15AM Apr 17, 2024Observed: 6.44 ft at 3:30AM Apr 17, 2024Observed: 6.44 ft at 3:45AM Apr 17, 2024Observed: 6.44 ft at 4:00AM Apr 17, 2024Observed: 6.45 ft at 4:15AM Apr 17, 2024Observed: 6.44 ft at 4:30AM Apr 17, 2024Observed: 6.45 ft at 4:45AM Apr 17, 2024Observed: 6.44 ft at 5:00AM Apr 17, 2024Observed: 6.43 ft at 5:15AM Apr 17, 2024Observed: 6.43 ft at 5:30AM Apr 17, 2024Observed: 6.41 ft at 5:45AM Apr 17, 2024Observed: 6.44 ft at 6:00AM Apr 17, 2024Observed: 6.43 ft at 6:15AM Apr 17, 2024Observed: 6.43 ft at 6:30AM Apr 17, 2024Observed: 6.43 ft at 6:45AM Apr 17, 2024Observed: 6.4 ft at 7:00AM Apr 17, 2024Observed: 6.43 ft at 7:15AM Apr 17, 2024Observed: 6.43 ft at 7:30AM Apr 17, 2024Observed: 6.43 ft at 7:45AM Apr 17, 2024Observed: 6.44 ft at 8:00AM Apr 17, 2024Observed: 6.41 ft at 8:15AM Apr 17, 2024Observed: 6.43 ft at 8:30AM Apr 17, 2024Observed: 6.41 ft at 8:45AM Apr 17, 2024Observed: 6.41 ft at 9:00AM Apr 17, 2024Observed: 6.42 ft at 9:15AM Apr 17, 2024Observed: 6.43 ft at 9:30AM Apr 17, 2024Observed: 6.41 ft at 9:45AM Apr 17, 2024Observed: 6.41 ft at 10:00AM Apr 17, 2024Observed: 6.41 ft at 10:15AM Apr 17, 2024Observed: 6.42 ft at 10:30AM Apr 17, 2024Observed: 6.43 ft at 10:45AM Apr 17, 2024Observed: 6.46 ft at 11:00AM Apr 17, 2024Observed: 6.47 ft at 11:15AM Apr 17, 2024Observed: 6.47 ft at 11:30AM Apr 17, 2024Observed: 6.47 ft at 11:45AM Apr 17, 2024Observed: 6.48 ft at 12:00PM Apr 17, 2024Observed: 6.48 ft at 12:15PM Apr 17, 2024Observed: 6.5 ft at 12:30PM Apr 17, 2024Observed: 6.5 ft at 12:45PM Apr 17, 2024Observed: 6.55 ft at 1:00PM Apr 17, 2024Observed: 6.57 ft at 1:15PM Apr 17, 2024Observed: 6.56 ft at 1:30PM Apr 17, 2024Observed: 6.56 ft at 1:45PM Apr 17, 2024Observed: 6.52 ft at 2:00PM Apr 17, 2024Observed: 6.54 ft at 2:15PM Apr 17, 2024Observed: 6.52 ft at 2:30PM Apr 17, 2024Observed: 6.51 ft at 2:45PM Apr 17, 2024Observed: 6.53 ft at 3:00PM Apr 17, 2024Observed: 6.5 ft at 3:15PM Apr 17, 2024Observed: 6.51 ft at 3:30PM Apr 17, 2024Observed: 6.49 ft at 3:45PM Apr 17, 2024Observed: 6.5 ft at 4:00PM Apr 17, 2024Observed: 6.48 ft at 4:15PM Apr 17, 2024Observed: 6.48 ft at 4:30PM Apr 17, 2024Observed: 6.48 ft at 4:45PM Apr 17, 2024Observed: 6.47 ft at 5:00PM Apr 17, 2024Observed: 6.47 ft at 5:15PM Apr 17, 2024Observed: 6.47 ft at 5:30PM Apr 17, 2024Observed: 6.47 ft at 5:45PM Apr 17, 2024Observed: 6.47 ft at 6:00PM Apr 17, 2024Observed: 6.47 ft at 6:15PM Apr 17, 2024Observed: 6.46 ft at 6:30PM Apr 17, 2024Observed: 6.45 ft at 6:45PM Apr 17, 2024Observed: 6.46 ft at 7:00PM Apr 17, 2024Observed: 6.48 ft at 7:15PM Apr 17, 2024Observed: 6.47 ft at 7:30PM Apr 17, 2024Observed: 6.46 ft at 7:45PM Apr 17, 2024Observed: 6.47 ft at 8:00PM Apr 17, 2024Observed: 6.47 ft at 8:15PM Apr 17, 2024Observed: 6.45 ft at 8:30PM Apr 17, 2024Observed: 6.46 ft at 8:45PM Apr 17, 2024Observed: 6.46 ft at 9:00PM Apr 17, 2024Observed: 6.45 ft at 9:15PM Apr 17, 2024Observed: 6.47 ft at 9:30PM Apr 17, 2024Observed: 6.46 ft at 9:45PM Apr 17, 2024Observed: 6.46 ft at 10:00PM Apr 17, 2024Observed: 6.44 ft at 10:15PM Apr 17, 2024Observed: 6.45 ft at 10:30PM Apr 17, 2024Observed: 6.44 ft at 10:45PM Apr 17, 2024Observed: 6.45 ft at 11:00PM Apr 17, 2024Observed: 6.45 ft at 11:15PM Apr 17, 2024Observed: 6.46 ft at 11:30PM Apr 17, 2024Observed: 6.45 ft at 11:45PM Apr 17, 2024Observed: 6.45 ft at 12:00AM Apr 18, 2024Observed: 6.44 ft at 12:15AM Apr 18, 2024Observed: 6.43 ft at 12:30AM Apr 18, 2024Observed: 6.45 ft at 12:45AM Apr 18, 2024Observed: 6.44 ft at 1:00AM Apr 18, 2024Observed: 6.44 ft at 1:15AM Apr 18, 2024Observed: 6.45 ft at 1:30AM Apr 18, 2024Observed: 6.43 ft at 1:45AM Apr 18, 2024Observed: 6.43 ft at 2:00AM Apr 18, 2024Observed: 6.44 ft at 2:15AM Apr 18, 2024Observed: 6.43 ft at 2:30AM Apr 18, 2024Observed: 6.4 ft at 2:45AM Apr 18, 2024Observed: 6.43 ft at 3:00AM Apr 18, 2024Observed: 6.43 ft at 3:15AM Apr 18, 2024Observed: 6.42 ft at 3:30AM Apr 18, 2024Observed: 6.43 ft at 3:45AM Apr 18, 2024Observed: 6.43 ft at 4:00AM Apr 18, 2024Observed: 6.43 ft at 4:15AM Apr 18, 2024Observed: 6.42 ft at 4:30AM Apr 18, 2024Observed: 6.42 ft at 4:45AM Apr 18, 2024Observed: 6.41 ft at 5:00AM Apr 18, 2024Observed: 6.42 ft at 5:15AM Apr 18, 2024Observed: 6.42 ft at 5:30AM Apr 18, 2024Observed: 6.42 ft at 5:45AM Apr 18, 2024Observed: 6.41 ft at 6:00AM Apr 18, 2024Observed: 6.42 ft at 6:15AM Apr 18, 2024Observed: 6.42 ft at 6:30AM Apr 18, 2024Observed: 6.42 ft at 6:45AM Apr 18, 2024Observed: 6.41 ft at 7:00AM Apr 18, 2024Observed: 6.42 ft at 7:15AM Apr 18, 2024Observed: 6.4 ft at 7:30AM Apr 18, 2024Observed: 6.41 ft at 7:45AM Apr 18, 2024Observed: 6.41 ft at 8:00AM Apr 18, 2024Observed: 6.42 ft at 8:15AM Apr 18, 2024Observed: 6.41 ft at 8:30AM Apr 18, 2024Observed: 6.41 ft at 8:45AM Apr 18, 2024Observed: 6.4 ft at 9:00AM Apr 18, 2024Observed: 6.41 ft at 9:15AM Apr 18, 2024Observed: 6.42 ft at 9:30AM Apr 18, 2024Observed: 6.42 ft at 9:45AM Apr 18, 2024Observed: 6.41 ft at 10:00AM Apr 18, 2024Observed: 6.42 ft at 10:15AM Apr 18, 2024Observed: 6.42 ft at 10:30AM Apr 18, 2024Observed: 6.4 ft at 10:45AM Apr 18, 2024Observed: 6.42 ft at 11:00AM Apr 18, 2024Observed: 6.41 ft at 11:15AM Apr 18, 2024Observed: 6.42 ft at 11:30AM Apr 18, 2024Observed: 6.4 ft at 11:45AM Apr 18, 2024Observed: 6.39 ft at 12:00PM Apr 18, 2024Observed: 6.42 ft at 12:15PM Apr 18, 2024Observed: 6.42 ft at 12:30PM Apr 18, 2024Observed: 6.41 ft at 12:45PM Apr 18, 2024Observed: 6.4 ft at 1:00PM Apr 18, 2024Observed: 6.41 ft at 1:15PM Apr 18, 2024Observed: 6.41 ft at 1:30PM Apr 18, 2024Observed: 6.41 ft at 1:45PM Apr 18, 2024Observed: 6.41 ft at 2:00PM Apr 18, 2024Observed: 6.4 ft at 2:15PM Apr 18, 2024Observed: 6.41 ft at 2:30PM Apr 18, 2024Observed: 6.42 ft at 2:45PM Apr 18, 2024Observed: 6.4 ft at 3:00PM Apr 18, 2024Observed: 6.41 ft at 3:15PM Apr 18, 2024Observed: 6.4 ft at 3:30PM Apr 18, 2024Observed: 6.41 ft at 3:45PM Apr 18, 2024Observed: 6.41 ft at 4:00PM Apr 18, 2024Observed: 6.41 ft at 4:15PM Apr 18, 2024Observed: 6.41 ft at 4:30PM Apr 18, 2024Observed: 6.4 ft at 4:45PM Apr 18, 2024Observed: 6.39 ft at 5:00PM Apr 18, 2024Observed: 6.41 ft at 5:15PM Apr 18, 2024Observed: 6.41 ft at 5:30PM Apr 18, 2024Observed: 6.41 ft at 5:45PM Apr 18, 2024Observed: 6.41 ft at 6:00PM Apr 18, 2024Observed: 6.41 ft at 6:15PM Apr 18, 2024Observed: 6.41 ft at 6:30PM Apr 18, 2024Observed: 6.41 ft at 6:45PM Apr 18, 2024Observed: 6.41 ft at 7:00PM Apr 18, 2024Observed: 6.41 ft at 7:15PM Apr 18, 2024Observed: 6.41 ft at 7:30PM Apr 18, 2024Observed: 6.42 ft at 7:45PM Apr 18, 2024Observed: 6.41 ft at 8:00PM Apr 18, 2024Observed: 6.42 ft at 8:15PM Apr 18, 2024Observed: 6.4 ft at 8:30PM Apr 18, 2024Observed: 6.4 ft at 8:45PM Apr 18, 2024Observed: 6.41 ft at 9:00PM Apr 18, 2024Observed: 6.42 ft at 9:15PM Apr 18, 2024Observed: 6.42 ft at 9:30PM Apr 18, 2024Observed: 6.42 ft at 9:45PM Apr 18, 2024Observed: 6.4 ft at 10:00PM Apr 18, 2024Observed: 6.4 ft at 10:15PM Apr 18, 2024Observed: 6.41 ft at 10:30PM Apr 18, 2024Observed: 6.4 ft at 10:45PM Apr 18, 2024Observed: 6.42 ft at 11:00PM Apr 18, 2024Observed: 6.42 ft at 11:15PM Apr 18, 2024Observed: 6.39 ft at 11:30PM Apr 18, 2024Observed: 6.4 ft at 11:45PM Apr 18, 2024Observed: 6.41 ft at 12:00AM Apr 19, 2024Observed: 6.41 ft at 12:15AM Apr 19, 2024Observed: 6.42 ft at 12:30AM Apr 19, 2024Observed: 6.41 ft at 12:45AM Apr 19, 2024Observed: 6.4 ft at 1:00AM Apr 19, 2024Observed: 6.41 ft at 1:15AM Apr 19, 2024Observed: 6.4 ft at 1:30AM Apr 19, 2024Observed: 6.41 ft at 1:45AM Apr 19, 2024Observed: 6.41 ft at 2:00AM Apr 19, 2024Observed: 6.4 ft at 2:15AM Apr 19, 2024Observed: 6.4 ft at 2:30AM Apr 19, 2024Observed: 6.4 ft at 2:45AM Apr 19, 2024Observed: 6.39 ft at 3:00AM Apr 19, 2024Observed: 6.4 ft at 3:15AM Apr 19, 2024Observed: 6.4 ft at 3:30AM Apr 19, 2024Observed: 6.4 ft at 3:45AM Apr 19, 2024Observed: 6.39 ft at 4:00AM Apr 19, 2024Observed: 6.39 ft at 4:15AM Apr 19, 2024Observed: 6.39 ft at 4:30AM Apr 19, 2024Observed: 6.38 ft at 4:45AM Apr 19, 2024Observed: 6.37 ft at 5:00AM Apr 19, 2024Observed: 6.39 ft at 5:15AM Apr 19, 2024Observed: 6.37 ft at 5:30AM Apr 19, 2024Observed: 6.39 ft at 5:45AM Apr 19, 2024Observed: 6.39 ft at 6:00AM Apr 19, 2024Observed: 6.39 ft at 6:15AM Apr 19, 2024Observed: 6.37 ft at 6:30AM Apr 19, 2024Observed: 6.38 ft at 6:45AM Apr 19, 2024Observed: 6.38 ft at 7:00AM Apr 19, 2024Observed: 6.38 ft at 7:15AM Apr 19, 2024Observed: 6.37 ft at 7:30AM Apr 19, 2024Observed: 6.38 ft at 7:45AM Apr 19, 2024Observed: 6.37 ft at 8:00AM Apr 19, 2024Observed: 6.38 ft at 8:15AM Apr 19, 2024Observed: 6.37 ft at 8:30AM Apr 19, 2024Observed: 6.35 ft at 8:45AM Apr 19, 2024Observed: 6.37 ft at 9:00AM Apr 19, 2024Observed: 6.36 ft at 9:15AM Apr 19, 2024Observed: 6.37 ft at 9:30AM Apr 19, 2024Observed: 6.36 ft at 9:45AM Apr 19, 2024Observed: 6.37 ft at 10:00AM Apr 19, 2024Observed: 6.36 ft at 10:15AM Apr 19, 2024Observed: 6.36 ft at 10:30AM Apr 19, 2024Observed: 6.37 ft at 10:45AM Apr 19, 2024Observed: 6.37 ft at 11:00AM Apr 19, 2024Observed: 6.36 ft at 11:15AM Apr 19, 2024Observed: 6.36 ft at 11:30AM Apr 19, 2024Observed: 6.35 ft at 11:45AM Apr 19, 2024Observed: 6.35 ft at 12:00PM Apr 19, 2024Observed: 6.36 ft at 12:15PM Apr 19, 2024Observed: 6.37 ft at 12:30PM Apr 19, 2024Observed: 6.36 ft at 12:45PM Apr 19, 2024Observed: 6.36 ft at 1:00PM Apr 19, 2024Observed: 6.34 ft at 1:15PM Apr 19, 2024Observed: 6.36 ft at 1:30PM Apr 19, 2024Observed: 6.35 ft at 1:45PM Apr 19, 2024Observed: 6.35 ft at 2:00PM Apr 19, 2024Observed: 6.36 ft at 2:15PM Apr 19, 2024Observed: 6.35 ft at 2:30PM Apr 19, 2024Observed: 6.36 ft at 2:45PM Apr 19, 2024Observed: 6.35 ft at 3:00PM Apr 19, 2024Observed: 6.36 ft at 3:15PM Apr 19, 2024Observed: 6.35 ft at 3:30PM Apr 19, 2024Observed: 6.35 ft at 3:45PM Apr 19, 2024Observed: 6.36 ft at 4:00PM Apr 19, 2024Observed: 6.35 ft at 4:15PM Apr 19, 2024Observed: 6.34 ft at 4:30PM Apr 19, 2024Observed: 6.36 ft at 4:45PM Apr 19, 2024Observed: 6.35 ft at 5:00PM Apr 19, 2024USGS--Water Resources of the United StatesERDM2(plotting HGIRZ) Graph Created (6:11PM Apr 19, 2024)ObservedLatest observed value: 6.35 ft at 5:00 PM EDT 19-Apr-2024. Flood Stage is 15 ft
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Tabular Data (UTC)
Tabular Data (EDT)
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Metadata
NOTE: Forecasts are not available for the Patapsco River near Elkridge at Patapsco Valley State Park. Only observed stages are available for this point.
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Upstream Gauge - near Catonsville Upstream Gauge Downstream Gauge Downstream Gauge - near Elkridge below Patapsco Valley State Park
Flood Categories (in feet)
Major Flood Stage: 21
Moderate Flood Stage: 19
Flood Stage: 15
Action Stage: 10
Low Stage (in feet): -9999

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
Zoom Level:16
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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
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21 Water approaches structures.
20 Washington Boulevard begins to flood at the Elkridge/Halethorpe border.
19 Water covers the entrance park at Patapsco Valley State Park.
17 A low spot near the end of Levering Avenue begins to flood.
15 Water begins to cover a portion of River Road in Patapsco Valley State Park. Large portions of the park begin to flood near the playground off Gunn Road.
10 Water begins to cover riverside trails in Patapsco Valley State Park.
9 Water spills over the banks but no impacts are observed.
About This Location Collapse

Latitude: 39.227222° N, Longitude: 76.723056° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 15 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 Not Available Not Available 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:
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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
(Baltimore/Washington) Sterling Weather Forecast Office
43858 Weather Service Rd.
Sterling, VA 20166
(571) 888-3500
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