LOCATION.--Lat 39°37'02.8", long 76°11'30.7", Harford County, MD, Hydrologic Unit 02050306, on right
   bank at Deer Creek pumping station, 1.4 miles southeast of Darlington, 0.7 miles east of Wilson Mill,
   and 3.5 miles upstream from mouth. 
DRAINAGE AREA.-164 mi2.
PERIOD OF RECORD.--January 2000 to current year.
REVISIONS HISTORY.--https://waterdata.usgs.gov/nwis/dv/?site_no=01580520: 2000-2004.
   https://waterdata.usgs.gov/nwis/uv/?site_no=01580520: 2017-2018.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 46.99 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, 12,600 ft3/s, April 30, 2014, gage height, 13.98 ft;
   minimum discharge, 6.3 ft3/s, Aug. 22-24, 2002.
COOPERATION.--Funding for the operation of this station is provided by the City of Aberdeen, MD,
   and the U.S. Geological Survey.