LOCATION.--Lat 39°28'49.1", long 76°41'15.0", Baltimore County, MD, Hydrologic Unit 02060003, 
   on left bank 500 ft upstream from pond, 600 ft above mouth, 1.0 mi southwest of Beaver Dam Road 
   and Ivy Hill Road interchange, and 2.3 mi west of Cockeysville.
DRAINAGE AREA.--0.12 mi2.
PERIOD OF RECORD.--January 1983 to September 1986, April 1998 to current year.
REVISIONS HISTORY.--WDR MD-DE-01-1: Drainage area. https://waterdata.usgs.gov/nwis/dv/?site_no=01583570: 1999. 
   https://waterdata.usgs.gov/nwis/dv/?site_no=01583570: 1998-2017.
   https://nwis.waterdata.usgs.gov/md/nwis/peak?site_no=01583570: 1998-2016.
GAGE.--Water-stage recorder, crest-stage gage, and triple V-notch sharp-crested weir plate. 
   Datum of gage is 446.02 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, 50.3 ft3/s (estimated), July 25, 2018, gage height, 2.51 ft (backwater affected);
   minimum discharge, no flow at times in 1986 and 2002.
COOPERATION.--Funding for the operation of this station is provided by Cary Institute of Ecosystem Studies.