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Due to a lapse in appropriations, the majority of USGS websites may not be up to date and may not reflect current conditions. Websites displaying real-time data, such as Earthquake and Water and information needed for public health and safety will be updated with limited support. Additionally, USGS will not be able to respond to inquiries until appropriations are enacted. For more information, please see www.doi.gov/shutdown.
LOCATION.--Lat 38°48'51.2", long 76°44'55.4", Prince Georges County, Hydrologic Unit 02060006, on left bank 1000 ft upstream from bridge on Water Street, 0.2 mi south of Upper Marlboro, and 4.7 mi upstream from mouth. DRAINAGE AREA.--89.7 mi2. PERIOD OF RECORD.--October 1985 to April 1989, April 1992 to current year. REVISIONS HISTORY.--WDR-US-2010: 1994(P), 1996(P), 1999, 2003(P), 2005(P), 2007, 2008-09. WDR-US-2011: 1999(P), 2007(P), 2008, 2010(P). GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 4.42 ft above North American Vertical Datum of 1988. REMARKS.--U.S. Geological Survey satellite data-collection platform at station. EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 13,000 ft3/s, September 8, 2011, gage height, 21.18 ft; minimum discharge, 0.32 ft3/s, Sept. 21, 2002. COOPERATION.--Funding for the operation of this station is provided by the Maryland Geological Survey, and the U.S. Geological Survey.
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Value Jan 22