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ALERT: December 5th update on the status of the nationwide data transmission error preventing stream gauge data collected at affected locations from being displayed on the Advanced Hydrologic Prediction Services (AHPS) webpages. As of 11/08/2018, The USGS has restored all impacted operational stream gauges to transmitting status. The status map of gauge outages from other agencies is here. The outage map will be updated each Thursday. We apologize for the service interruption and hope to have the data restored as soon as possible.



Hydrograph River at a Glance Download
Western Branch at Upper Marlboro Stage (ft)Flow (cfs)Highest Observation: 2.62 ft at 9:00AM Dec 07, 2018Highest Observation: 2.62 ft at 9:15AM Dec 07, 2018Highest Observation: 2.62 ft at 9:30AM Dec 07, 2018Highest Observation: 2.62 ft at 9:45AM Dec 07, 2018Highest Observation: 2.62 ft at 10:00AM Dec 07, 2018Highest Observation: 2.62 ft at 10:15AM Dec 07, 2018Highest Observation: 2.62 ft at 10:30AM Dec 07, 2018Observed: 2.61 ft at 10:45AM Dec 07, 2018Highest Observation: 2.62 ft at 11:00AM Dec 07, 2018Highest Observation: 2.62 ft at 11:15AM Dec 07, 2018Highest Observation: 2.62 ft at 11:30AM Dec 07, 2018Highest Observation: 2.62 ft at 11:45AM Dec 07, 2018Observed: 2.61 ft at 12:00PM Dec 07, 2018Observed: 2.61 ft at 12:15PM Dec 07, 2018Highest Observation: 2.62 ft at 12:30PM Dec 07, 2018Highest Observation: 2.62 ft at 12:45PM Dec 07, 2018Observed: 2.61 ft at 1:00PM Dec 07, 2018Observed: 2.61 ft at 1:15PM Dec 07, 2018Observed: 2.61 ft at 1:30PM Dec 07, 2018Observed: 2.61 ft at 1:45PM Dec 07, 2018Observed: 2.61 ft at 2:00PM Dec 07, 2018Observed: 2.61 ft at 2:15PM Dec 07, 2018Observed: 2.61 ft at 2:30PM Dec 07, 2018Observed: 2.61 ft at 2:45PM Dec 07, 2018Highest Observation: 2.62 ft at 3:00PM Dec 07, 2018Highest Observation: 2.62 ft at 3:15PM Dec 07, 2018Highest Observation: 2.62 ft at 3:30PM Dec 07, 2018Highest Observation: 2.62 ft at 3:45PM Dec 07, 2018Highest Observation: 2.62 ft at 4:00PM Dec 07, 2018Highest Observation: 2.62 ft at 4:15PM Dec 07, 2018Highest Observation: 2.62 ft at 4:30PM Dec 07, 2018Highest Observation: 2.62 ft at 4:45PM Dec 07, 2018Highest Observation: 2.62 ft at 5:00PM Dec 07, 2018Highest Observation: 2.62 ft at 5:15PM Dec 07, 2018Highest Observation: 2.62 ft at 5:30PM Dec 07, 2018Highest Observation: 2.62 ft at 5:45PM Dec 07, 2018Highest Observation: 2.62 ft at 6:00PM Dec 07, 2018Highest Observation: 2.62 ft at 6:15PM Dec 07, 2018Highest Observation: 2.62 ft at 6:30PM Dec 07, 2018Highest Observation: 2.62 ft at 6:45PM Dec 07, 2018Highest Observation: 2.62 ft at 7:00PM Dec 07, 2018Highest Observation: 2.62 ft at 7:15PM Dec 07, 2018Highest Observation: 2.62 ft at 7:30PM Dec 07, 2018Highest Observation: 2.62 ft at 7:45PM Dec 07, 2018Highest Observation: 2.62 ft at 8:00PM Dec 07, 2018Highest Observation: 2.62 ft at 8:15PM Dec 07, 2018Highest Observation: 2.62 ft at 8:30PM Dec 07, 2018Observed: 2.61 ft at 8:45PM Dec 07, 2018Observed: 2.61 ft at 9:00PM Dec 07, 2018Observed: 2.61 ft at 9:15PM Dec 07, 2018Observed: 2.61 ft at 9:30PM Dec 07, 2018Observed: 2.61 ft at 9:45PM Dec 07, 2018Observed: 2.61 ft at 10:00PM Dec 07, 2018Observed: 2.61 ft at 10:15PM Dec 07, 2018Observed: 2.6 ft at 10:30PM Dec 07, 2018Observed: 2.6 ft at 10:45PM Dec 07, 2018Observed: 2.6 ft at 11:00PM Dec 07, 2018Observed: 2.6 ft at 11:15PM Dec 07, 2018Observed: 2.6 ft at 11:30PM Dec 07, 2018Observed: 2.6 ft at 11:45PM Dec 07, 2018Observed: 2.6 ft at 12:00AM Dec 08, 2018Observed: 2.6 ft at 12:15AM Dec 08, 2018Observed: 2.6 ft at 12:30AM Dec 08, 2018Observed: 2.6 ft at 12:45AM Dec 08, 2018Observed: 2.59 ft at 1:00AM Dec 08, 2018Observed: 2.59 ft at 1:15AM Dec 08, 2018Observed: 2.59 ft at 1:30AM Dec 08, 2018Observed: 2.59 ft at 1:45AM Dec 08, 2018Observed: 2.59 ft at 2:00AM Dec 08, 2018Observed: 2.59 ft at 2:15AM Dec 08, 2018Observed: 2.59 ft at 2:30AM Dec 08, 2018Observed: 2.59 ft at 2:45AM Dec 08, 2018Observed: 2.59 ft at 3:00AM Dec 08, 2018Observed: 2.59 ft at 3:15AM Dec 08, 2018Observed: 2.59 ft at 3:30AM Dec 08, 2018Observed: 2.59 ft at 3:45AM Dec 08, 2018Observed: 2.59 ft at 4:00AM Dec 08, 2018Observed: 2.58 ft at 4:15AM Dec 08, 2018Observed: 2.58 ft at 4:30AM Dec 08, 2018Observed: 2.58 ft at 4:45AM Dec 08, 2018Observed: 2.58 ft at 5:00AM Dec 08, 2018Observed: 2.58 ft at 5:15AM Dec 08, 2018Observed: 2.58 ft at 5:30AM Dec 08, 2018Observed: 2.58 ft at 5:45AM Dec 08, 2018Observed: 2.58 ft at 6:00AM Dec 08, 2018Observed: 2.58 ft at 6:15AM Dec 08, 2018Observed: 2.58 ft at 6:30AM Dec 08, 2018Observed: 2.58 ft at 6:45AM Dec 08, 2018Observed: 2.57 ft at 7:00AM Dec 08, 2018Observed: 2.57 ft at 7:15AM Dec 08, 2018Observed: 2.57 ft at 7:30AM Dec 08, 2018Observed: 2.57 ft at 7:45AM Dec 08, 2018Observed: 2.57 ft at 8:00AM Dec 08, 2018Observed: 2.57 ft at 8:15AM Dec 08, 2018Observed: 2.57 ft at 8:30AM Dec 08, 2018Observed: 2.57 ft at 8:45AM Dec 08, 2018Observed: 2.57 ft at 9:00AM Dec 08, 2018Observed: 2.57 ft at 9:15AM Dec 08, 2018Observed: 2.57 ft at 9:30AM Dec 08, 2018Observed: 2.57 ft at 9:45AM Dec 08, 2018Observed: 2.57 ft at 10:00AM Dec 08, 2018Observed: 2.57 ft at 10:15AM Dec 08, 2018Observed: 2.57 ft at 10:30AM Dec 08, 2018Observed: 2.57 ft at 10:45AM Dec 08, 2018Observed: 2.57 ft at 11:00AM Dec 08, 2018Observed: 2.57 ft at 11:15AM Dec 08, 2018Observed: 2.57 ft at 11:30AM Dec 08, 2018Observed: 2.57 ft at 11:45AM Dec 08, 2018Observed: 2.57 ft at 12:00PM Dec 08, 2018Observed: 2.56 ft at 12:15PM Dec 08, 2018Observed: 2.56 ft at 12:30PM Dec 08, 2018Observed: 2.56 ft at 12:45PM Dec 08, 2018Observed: 2.56 ft at 1:00PM Dec 08, 2018Observed: 2.56 ft at 1:15PM Dec 08, 2018Observed: 2.56 ft at 1:30PM Dec 08, 2018Observed: 2.56 ft at 1:45PM Dec 08, 2018Observed: 2.56 ft at 2:00PM Dec 08, 2018Observed: 2.56 ft at 2:15PM Dec 08, 2018Observed: 2.56 ft at 2:30PM Dec 08, 2018Observed: 2.56 ft at 2:45PM Dec 08, 2018Observed: 2.56 ft at 3:00PM Dec 08, 2018Observed: 2.56 ft at 3:15PM Dec 08, 2018Observed: 2.56 ft at 3:30PM Dec 08, 2018Observed: 2.56 ft at 3:45PM Dec 08, 2018Observed: 2.56 ft at 4:00PM Dec 08, 2018Observed: 2.56 ft at 4:15PM Dec 08, 2018Observed: 2.56 ft at 4:30PM Dec 08, 2018Observed: 2.56 ft at 4:45PM Dec 08, 2018Observed: 2.56 ft at 5:00PM Dec 08, 2018Observed: 2.56 ft at 5:15PM Dec 08, 2018Observed: 2.56 ft at 5:30PM Dec 08, 2018Observed: 2.56 ft at 5:45PM Dec 08, 2018Observed: 2.56 ft at 6:00PM Dec 08, 2018Observed: 2.56 ft at 6:15PM Dec 08, 2018Observed: 2.56 ft at 6:30PM Dec 08, 2018Observed: 2.56 ft at 6:45PM Dec 08, 2018Observed: 2.56 ft at 7:00PM Dec 08, 2018Observed: 2.56 ft at 7:15PM Dec 08, 2018Observed: 2.56 ft at 7:30PM Dec 08, 2018Observed: 2.56 ft at 7:45PM Dec 08, 2018Observed: 2.56 ft at 8:00PM Dec 08, 2018Observed: 2.56 ft at 8:15PM Dec 08, 2018Observed: 2.56 ft at 8:30PM Dec 08, 2018Observed: 2.56 ft at 8:45PM Dec 08, 2018Observed: 2.56 ft at 9:00PM Dec 08, 2018Observed: 2.56 ft at 9:15PM Dec 08, 2018Observed: 2.56 ft at 9:30PM Dec 08, 2018Observed: 2.56 ft at 9:45PM Dec 08, 2018Observed: 2.56 ft at 10:00PM Dec 08, 2018Observed: 2.56 ft at 10:15PM Dec 08, 2018Observed: 2.56 ft at 10:30PM Dec 08, 2018Observed: 2.56 ft at 10:45PM Dec 08, 2018Observed: 2.56 ft at 11:00PM Dec 08, 2018Observed: 2.56 ft at 11:15PM Dec 08, 2018Observed: 2.56 ft at 11:30PM Dec 08, 2018Observed: 2.56 ft at 11:45PM Dec 08, 2018Observed: 2.56 ft at 12:00AM Dec 09, 2018Observed: 2.56 ft at 12:15AM Dec 09, 2018Observed: 2.56 ft at 12:30AM Dec 09, 2018Observed: 2.56 ft at 12:45AM Dec 09, 2018Observed: 2.56 ft at 1:00AM Dec 09, 2018Observed: 2.56 ft at 1:15AM Dec 09, 2018Observed: 2.56 ft at 1:30AM Dec 09, 2018Observed: 2.56 ft at 1:45AM Dec 09, 2018Observed: 2.56 ft at 2:00AM Dec 09, 2018Observed: 2.56 ft at 2:15AM Dec 09, 2018Observed: 2.56 ft at 2:30AM Dec 09, 2018Observed: 2.56 ft at 2:45AM Dec 09, 2018Observed: 2.56 ft at 3:00AM Dec 09, 2018Observed: 2.56 ft at 3:15AM Dec 09, 2018Observed: 2.56 ft at 3:30AM Dec 09, 2018Observed: 2.56 ft at 3:45AM Dec 09, 2018Observed: 2.56 ft at 4:00AM Dec 09, 2018Observed: 2.56 ft at 4:15AM Dec 09, 2018Observed: 2.57 ft at 4:30AM Dec 09, 2018Observed: 2.56 ft at 4:45AM Dec 09, 2018Observed: 2.56 ft at 5:00AM Dec 09, 2018Observed: 2.56 ft at 5:15AM Dec 09, 2018Observed: 2.56 ft at 5:30AM Dec 09, 2018Observed: 2.56 ft at 5:45AM Dec 09, 2018Observed: 2.57 ft at 6:00AM Dec 09, 2018Observed: 2.57 ft at 6:15AM Dec 09, 2018Observed: 2.57 ft at 6:30AM Dec 09, 2018Observed: 2.57 ft at 6:45AM Dec 09, 2018Observed: 2.57 ft at 7:00AM Dec 09, 2018Observed: 2.57 ft at 7:15AM Dec 09, 2018Observed: 2.57 ft at 7:30AM Dec 09, 2018Observed: 2.56 ft at 7:45AM Dec 09, 2018Observed: 2.56 ft at 8:00AM Dec 09, 2018Observed: 2.56 ft at 8:15AM Dec 09, 2018Observed: 2.57 ft at 8:30AM Dec 09, 2018Observed: 2.57 ft at 8:45AM Dec 09, 2018Observed: 2.57 ft at 9:00AM Dec 09, 2018Observed: 2.57 ft at 9:15AM Dec 09, 2018Observed: 2.57 ft at 9:30AM Dec 09, 2018Observed: 2.56 ft at 9:45AM Dec 09, 2018Observed: 2.56 ft at 10:00AM Dec 09, 2018Observed: 2.56 ft at 10:15AM Dec 09, 2018Observed: 2.56 ft at 10:30AM Dec 09, 2018Observed: 2.56 ft at 10:45AM Dec 09, 2018Observed: 2.56 ft at 11:00AM Dec 09, 2018Observed: 2.56 ft at 11:15AM Dec 09, 2018Observed: 2.57 ft at 11:30AM Dec 09, 2018Observed: 2.57 ft at 11:45AM Dec 09, 2018Observed: 2.57 ft at 12:00PM Dec 09, 2018Observed: 2.56 ft at 12:15PM Dec 09, 2018Observed: 2.56 ft at 12:30PM Dec 09, 2018Observed: 2.56 ft at 12:45PM Dec 09, 2018Observed: 2.56 ft at 1:00PM Dec 09, 2018Observed: 2.56 ft at 1:15PM Dec 09, 2018Observed: 2.56 ft at 1:30PM Dec 09, 2018Observed: 2.56 ft at 1:45PM Dec 09, 2018Observed: 2.56 ft at 2:00PM Dec 09, 2018Observed: 2.56 ft at 2:15PM Dec 09, 2018Observed: 2.56 ft at 2:30PM Dec 09, 2018Observed: 2.56 ft at 2:45PM Dec 09, 2018Observed: 2.56 ft at 3:00PM Dec 09, 2018Observed: 2.56 ft at 3:15PM Dec 09, 2018Observed: 2.56 ft at 3:30PM Dec 09, 2018Observed: 2.56 ft at 3:45PM Dec 09, 2018Observed: 2.56 ft at 4:00PM Dec 09, 2018Observed: 2.56 ft at 4:15PM Dec 09, 2018Observed: 2.56 ft at 4:30PM Dec 09, 2018Observed: 2.56 ft at 4:45PM Dec 09, 2018Observed: 2.57 ft at 5:00PM Dec 09, 2018Observed: 2.56 ft at 5:15PM Dec 09, 2018Observed: 2.56 ft at 5:30PM Dec 09, 2018Observed: 2.56 ft at 5:45PM Dec 09, 2018Observed: 2.56 ft at 6:00PM Dec 09, 2018Observed: 2.56 ft at 6:15PM Dec 09, 2018Observed: 2.56 ft at 6:30PM Dec 09, 2018Observed: 2.56 ft at 6:45PM Dec 09, 2018Observed: 2.56 ft at 7:00PM Dec 09, 2018Observed: 2.56 ft at 7:15PM Dec 09, 2018Observed: 2.56 ft at 7:30PM Dec 09, 2018Observed: 2.56 ft at 7:45PM Dec 09, 2018Observed: 2.56 ft at 8:00PM Dec 09, 2018Observed: 2.56 ft at 8:15PM Dec 09, 2018Observed: 2.56 ft at 8:30PM Dec 09, 2018Observed: 2.56 ft at 8:45PM Dec 09, 2018Observed: 2.56 ft at 9:00PM Dec 09, 2018Observed: 2.57 ft at 9:15PM Dec 09, 2018Observed: 2.56 ft at 9:30PM Dec 09, 2018Observed: 2.56 ft at 9:45PM Dec 09, 2018Observed: 2.56 ft at 10:00PM Dec 09, 2018Observed: 2.56 ft at 10:15PM Dec 09, 2018Observed: 2.56 ft at 10:30PM Dec 09, 2018Observed: 2.56 ft at 10:45PM Dec 09, 2018Observed: 2.56 ft at 11:00PM Dec 09, 2018Observed: 2.56 ft at 11:15PM Dec 09, 2018Observed: 2.57 ft at 11:30PM Dec 09, 2018Observed: 2.57 ft at 11:45PM Dec 09, 2018Observed: 2.57 ft at 12:00AM Dec 10, 2018Observed: 2.57 ft at 12:15AM Dec 10, 2018Observed: 2.56 ft at 12:30AM Dec 10, 2018Observed: 2.56 ft at 12:45AM Dec 10, 2018Observed: 2.56 ft at 1:00AM Dec 10, 2018Observed: 2.56 ft at 1:15AM Dec 10, 2018Observed: 2.56 ft at 1:30AM Dec 10, 2018Observed: 2.56 ft at 1:45AM Dec 10, 2018Observed: 2.56 ft at 2:00AM Dec 10, 2018Observed: 2.56 ft at 2:15AM Dec 10, 2018Observed: 2.56 ft at 2:30AM Dec 10, 2018Observed: 2.56 ft at 2:45AM Dec 10, 2018Observed: 2.57 ft at 3:00AM Dec 10, 2018Observed: 2.57 ft at 3:15AM Dec 10, 2018Observed: 2.57 ft at 3:30AM Dec 10, 2018Observed: 2.57 ft at 3:45AM Dec 10, 2018Observed: 2.56 ft at 4:00AM Dec 10, 2018Observed: 2.57 ft at 4:15AM Dec 10, 2018Observed: 2.56 ft at 4:30AM Dec 10, 2018Observed: 2.56 ft at 4:45AM Dec 10, 2018Observed: 2.57 ft at 5:00AM Dec 10, 2018Observed: 2.57 ft at 5:15AM Dec 10, 2018Observed: 2.57 ft at 5:30AM Dec 10, 2018Observed: 2.57 ft at 5:45AM Dec 10, 2018Observed: 2.57 ft at 6:00AM Dec 10, 2018Observed: 2.57 ft at 6:15AM Dec 10, 2018Observed: 2.57 ft at 6:30AM Dec 10, 2018Observed: 2.57 ft at 6:45AM Dec 10, 2018Observed: 2.57 ft at 7:00AM Dec 10, 2018Observed: 2.57 ft at 7:15AM Dec 10, 2018Observed: 2.57 ft at 7:30AM Dec 10, 2018Observed: 2.57 ft at 7:45AM Dec 10, 2018Observed: 2.57 ft at 8:00AM Dec 10, 2018Observed: 2.57 ft at 8:15AM Dec 10, 2018Observed: 2.57 ft at 8:30AM Dec 10, 2018Observed: 2.57 ft at 8:45AM Dec 10, 2018Observed: 2.57 ft at 9:00AM Dec 10, 2018Observed: 2.57 ft at 9:15AM Dec 10, 2018Observed: 2.56 ft at 9:30AM Dec 10, 2018Observed: 2.57 ft at 9:45AM Dec 10, 2018Observed: 2.57 ft at 10:00AM Dec 10, 2018Observed: 2.57 ft at 10:15AM Dec 10, 2018Observed: 2.57 ft at 10:30AM Dec 10, 2018Observed: 2.57 ft at 10:45AM Dec 10, 2018Observed: 2.57 ft at 11:00AM Dec 10, 2018Observed: 2.57 ft at 11:15AM Dec 10, 2018Observed: 2.56 ft at 11:30AM Dec 10, 2018Observed: 2.56 ft at 11:45AM Dec 10, 2018Observed: 2.56 ft at 12:00PM Dec 10, 2018Observed: 2.56 ft at 12:15PM Dec 10, 2018Observed: 2.56 ft at 12:30PM Dec 10, 2018Observed: 2.56 ft at 12:45PM Dec 10, 2018Observed: 2.56 ft at 1:00PM Dec 10, 2018Observed: 2.56 ft at 1:15PM Dec 10, 2018Observed: 2.57 ft at 1:30PM Dec 10, 2018Observed: 2.57 ft at 1:45PM Dec 10, 2018Observed: 2.57 ft at 2:00PM Dec 10, 2018Observed: 2.57 ft at 2:15PM Dec 10, 2018Observed: 2.56 ft at 2:30PM Dec 10, 2018Observed: 2.56 ft at 2:45PM Dec 10, 2018Observed: 2.56 ft at 3:00PM Dec 10, 2018Observed: 2.57 ft at 3:15PM Dec 10, 2018Observed: 2.57 ft at 3:30PM Dec 10, 2018Observed: 2.57 ft at 3:45PM Dec 10, 2018Observed: 2.57 ft at 4:00PM Dec 10, 2018Observed: 2.57 ft at 4:15PM Dec 10, 2018Observed: 2.57 ft at 4:30PM Dec 10, 2018Observed: 2.56 ft at 4:45PM Dec 10, 2018Observed: 2.57 ft at 5:00PM Dec 10, 2018Observed: 2.57 ft at 5:15PM Dec 10, 2018Observed: 2.56 ft at 5:30PM Dec 10, 2018Observed: 2.56 ft at 5:45PM Dec 10, 2018Observed: 2.56 ft at 6:00PM Dec 10, 2018Observed: 2.56 ft at 6:15PM Dec 10, 2018Observed: 2.56 ft at 6:30PM Dec 10, 2018Observed: 2.56 ft at 6:45PM Dec 10, 2018Observed: 2.56 ft at 7:00PM Dec 10, 2018Observed: 2.56 ft at 7:15PM Dec 10, 2018Observed: 2.56 ft at 7:30PM Dec 10, 2018Observed: 2.56 ft at 7:45PM Dec 10, 2018Observed: 2.56 ft at 8:00PM Dec 10, 2018Observed: 2.56 ft at 8:15PM Dec 10, 2018Observed: 2.56 ft at 8:30PM Dec 10, 2018Observed: 2.56 ft at 8:45PM Dec 10, 2018Observed: 2.56 ft at 9:00PM Dec 10, 2018Observed: 2.56 ft at 9:15PM Dec 10, 2018Observed: 2.55 ft at 9:30PM Dec 10, 2018Observed: 2.55 ft at 9:45PM Dec 10, 2018Observed: 2.55 ft at 10:00PM Dec 10, 2018Observed: 2.55 ft at 10:15PM Dec 10, 2018Observed: 2.55 ft at 10:30PM Dec 10, 2018Observed: 2.55 ft at 10:45PM Dec 10, 2018Observed: 2.55 ft at 11:00PM Dec 10, 2018Observed: 2.55 ft at 11:15PM Dec 10, 2018Observed: 2.55 ft at 11:30PM Dec 10, 2018Observed: 2.54 ft at 11:45PM Dec 10, 2018Observed: 2.55 ft at 12:00AM Dec 11, 2018Observed: 2.54 ft at 12:15AM Dec 11, 2018Observed: 2.55 ft at 12:30AM Dec 11, 2018Observed: 2.54 ft at 12:45AM Dec 11, 2018Observed: 2.54 ft at 1:00AM Dec 11, 2018Observed: 2.54 ft at 1:15AM Dec 11, 2018Observed: 2.54 ft at 1:30AM Dec 11, 2018Observed: 2.54 ft at 1:45AM Dec 11, 2018Observed: 2.54 ft at 2:00AM Dec 11, 2018Observed: 2.54 ft at 2:15AM Dec 11, 2018Observed: 2.54 ft at 2:30AM Dec 11, 2018Observed: 2.54 ft at 2:45AM Dec 11, 2018Observed: 2.53 ft at 3:00AM Dec 11, 2018Observed: 2.53 ft at 3:15AM Dec 11, 2018Observed: 2.53 ft at 3:30AM Dec 11, 2018Observed: 2.53 ft at 3:45AM Dec 11, 2018Observed: 2.53 ft at 4:00AM Dec 11, 2018Observed: 2.53 ft at 4:15AM Dec 11, 2018Observed: 2.53 ft at 4:30AM Dec 11, 2018Observed: 2.53 ft at 4:45AM Dec 11, 2018Observed: 2.53 ft at 5:00AM Dec 11, 2018Observed: 2.53 ft at 5:15AM Dec 11, 2018Observed: 2.53 ft at 5:30AM Dec 11, 2018Observed: 2.53 ft at 5:45AM Dec 11, 2018Observed: 2.53 ft at 6:00AM Dec 11, 2018Observed: 2.52 ft at 6:15AM Dec 11, 2018Observed: 2.52 ft at 6:30AM Dec 11, 2018Observed: 2.52 ft at 6:45AM Dec 11, 2018Observed: 2.52 ft at 7:00AM Dec 11, 2018Observed: 2.52 ft at 7:15AM Dec 11, 2018Observed: 2.52 ft at 7:30AM Dec 11, 2018Observed: 2.52 ft at 7:45AM Dec 11, 2018Observed: 2.52 ft at 8:00AM Dec 11, 2018Observed: 2.52 ft at 8:15AM Dec 11, 2018Observed: 2.52 ft at 8:30AM Dec 11, 2018Observed: 2.52 ft at 8:45AM Dec 11, 2018Observed: 2.52 ft at 9:00AM Dec 11, 2018Observed: 2.52 ft at 9:15AM Dec 11, 2018Observed: 2.51 ft at 9:30AM Dec 11, 2018Observed: 2.52 ft at 9:45AM Dec 11, 2018Observed: 2.51 ft at 10:00AM Dec 11, 2018Observed: 2.51 ft at 10:15AM Dec 11, 2018Observed: 2.51 ft at 10:30AM Dec 11, 2018Observed: 2.51 ft at 10:45AM Dec 11, 2018Observed: 2.51 ft at 11:00AM Dec 11, 2018Observed: 2.51 ft at 11:15AM Dec 11, 2018Observed: 2.51 ft at 11:30AM Dec 11, 2018Observed: 2.51 ft at 11:45AM Dec 11, 2018Observed: 2.51 ft at 12:00PM Dec 11, 2018Observed: 2.51 ft at 12:15PM Dec 11, 2018Observed: 2.51 ft at 12:30PM Dec 11, 2018Observed: 2.51 ft at 12:45PM Dec 11, 2018Observed: 2.51 ft at 1:00PM Dec 11, 2018Observed: 2.51 ft at 1:15PM Dec 11, 2018Observed: 2.51 ft at 1:30PM Dec 11, 2018Observed: 2.51 ft at 1:45PM Dec 11, 2018Observed: 2.51 ft at 2:00PM Dec 11, 2018Observed: 2.51 ft at 2:15PM Dec 11, 2018Observed: 2.51 ft at 2:30PM Dec 11, 2018Observed: 2.51 ft at 2:45PM Dec 11, 2018Observed: 2.51 ft at 3:00PM Dec 11, 2018Observed: 2.52 ft at 3:15PM Dec 11, 2018Observed: 2.51 ft at 3:30PM Dec 11, 2018Observed: 2.51 ft at 3:45PM Dec 11, 2018Observed: 2.51 ft at 4:00PM Dec 11, 2018Observed: 2.51 ft at 4:15PM Dec 11, 2018Observed: 2.52 ft at 4:30PM Dec 11, 2018Observed: 2.52 ft at 4:45PM Dec 11, 2018Observed: 2.52 ft at 5:00PM Dec 11, 2018Observed: 2.52 ft at 5:15PM Dec 11, 2018Observed: 2.52 ft at 5:30PM Dec 11, 2018Observed: 2.52 ft at 5:45PM Dec 11, 2018Observed: 2.52 ft at 6:00PM Dec 11, 2018Observed: 2.52 ft at 6:15PM Dec 11, 2018Observed: 2.52 ft at 6:30PM Dec 11, 2018Observed: 2.52 ft at 6:45PM Dec 11, 2018Observed: 2.52 ft at 7:00PM Dec 11, 2018Observed: 2.52 ft at 7:15PM Dec 11, 2018Observed: 2.53 ft at 7:30PM Dec 11, 2018Observed: 2.53 ft at 7:45PM Dec 11, 2018Observed: 2.53 ft at 8:00PM Dec 11, 2018Observed: 2.53 ft at 8:15PM Dec 11, 2018Observed: 2.53 ft at 8:30PM Dec 11, 2018Observed: 2.53 ft at 8:45PM Dec 11, 2018Observed: 2.52 ft at 9:00PM Dec 11, 2018Observed: 2.53 ft at 9:15PM Dec 11, 2018Observed: 2.52 ft at 9:30PM Dec 11, 2018Observed: 2.52 ft at 9:45PM Dec 11, 2018Observed: 2.53 ft at 10:00PM Dec 11, 2018Observed: 2.53 ft at 10:15PM Dec 11, 2018Observed: 2.53 ft at 10:30PM Dec 11, 2018Observed: 2.53 ft at 10:45PM Dec 11, 2018Observed: 2.53 ft at 11:00PM Dec 11, 2018Observed: 2.53 ft at 11:15PM Dec 11, 2018Observed: 2.53 ft at 11:30PM Dec 11, 2018Observed: 2.53 ft at 11:45PM Dec 11, 2018Observed: 2.54 ft at 12:00AM Dec 12, 2018Observed: 2.54 ft at 12:15AM Dec 12, 2018Observed: 2.54 ft at 12:30AM Dec 12, 2018Observed: 2.54 ft at 12:45AM Dec 12, 2018Observed: 2.54 ft at 1:00AM Dec 12, 2018Observed: 2.54 ft at 1:15AM Dec 12, 2018Observed: 2.54 ft at 1:30AM Dec 12, 2018Observed: 2.54 ft at 1:45AM Dec 12, 2018Observed: 2.54 ft at 2:00AM Dec 12, 2018Observed: 2.54 ft at 2:15AM Dec 12, 2018Observed: 2.54 ft at 2:30AM Dec 12, 2018Observed: 2.54 ft at 2:45AM Dec 12, 2018Observed: 2.54 ft at 3:00AM Dec 12, 2018Observed: 2.54 ft at 3:15AM Dec 12, 2018Observed: 2.54 ft at 3:30AM Dec 12, 2018Observed: 2.53 ft at 3:45AM Dec 12, 2018Observed: 2.53 ft at 4:00AM Dec 12, 2018Observed: 2.53 ft at 4:15AM Dec 12, 2018Observed: 2.53 ft at 4:30AM Dec 12, 2018Observed: 2.53 ft at 4:45AM Dec 12, 2018Observed: 2.53 ft at 5:00AM Dec 12, 2018Observed: 2.53 ft at 5:15AM Dec 12, 2018Observed: 2.53 ft at 5:30AM Dec 12, 2018Observed: 2.52 ft at 5:45AM Dec 12, 2018Observed: 2.52 ft at 6:00AM Dec 12, 2018Observed: 2.52 ft at 6:15AM Dec 12, 2018Observed: 2.52 ft at 6:30AM Dec 12, 2018Observed: 2.52 ft at 6:45AM Dec 12, 2018Observed: 2.52 ft at 7:00AM Dec 12, 2018Observed: 2.52 ft at 7:15AM Dec 12, 2018Observed: 2.52 ft at 7:30AM Dec 12, 2018Observed: 2.52 ft at 7:45AM Dec 12, 2018Observed: 2.52 ft at 8:00AM Dec 12, 2018Observed: 2.52 ft at 8:15AM Dec 12, 2018USGS--Water Resources of the United StatesUPRM2(plotting HGIRG) Graph Created (8:54AM Dec 12, 2018)ObservedLatest observed value: 2.52 ft at 8:15 AM EST 12-Dec-2018. Flood Stage is 11 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Gauge reading may be affected by ice.

NOTE: Forecasts are not available for the Western Branch at Upper Marlboro. Only observed stages are available for this point.

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Flood Categories (in feet)
Major Flood Stage: 19
Moderate Flood Stage: 16
Flood Stage: 11
Action Stage: 9
Low Stage (in feet): 0

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
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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 More than a quarter mile of US 301 is flooded. Several businesses south of Maryland Route 4 are flooded with significant damage likely. A small portion of the lower grounds of the Prince Georges Equestrian Center floods. Water approaches the westernmost and lowermost portion of the Prince Georges County Courthouse.
19 US 301 begins to flood from the bridge northward to the intersection with Marlboro Square Shopping Center. Nearby businesses begin to flood. Marlboro Pike/Main Street also floods at the river, with water approaching nearby homes and businesses.
16 Floodwaters reach the parking lot of businesses off US 301. Water also approaches the southern perimeter of the Prince Georges Equestrian Center grounds.
14 Water covers almost all of the pedestrian bridge paralleling Water Street, and covers Water Street from the MD Route 4 westbound exit ramps to Judges Street.
12 Much of Race Track Road floods between Marlboro Pike and the community center.
11 The Water Street bridge in Upper Marlboro is completely covered by water.
9 Water begins to overflow the banks into the wide floodplain near Upper Marlboro.
About This Location Collapse

Latitude: 38.814167° N, Longitude: 76.748611° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 11 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
(703) 996-2200
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Page last modified: 21-Dec-2016 10:38 PM
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