LOCATION.--Lat 38°48'51.2", long 76°44'55.4", Prince Georges County, MD, Hydrologic Unit 02060006,
   on left bank 1,000 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). 
   https://waterdata.usgs.gov/nwis/uv/?site_no=01594526: 2018-2020.
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.