LOCATION.--Lat 39°32'58.9", long 76°38'10.0", Baltimore County, MD, Hydrologic Unit 02060003, on right
   downstream wingwall of bridge on Glencoe Road at intersection of Upper Glencoe Road and Lower Glencoe Road 
   in Glencoe, and 0.7 mi upstream from Piney Creek.
DRAINAGE AREA.--160 mi2.
PERIOD OF RECORD.--October 1977 to June 1980, December 1982 to current year.
REVISED RECORDS.--WDR MD-DE-89-1: 1985(M).
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 244.13 ft above North American 
   Vertical Datum of 1988.
REMARKS.--Flow regulated by Prettyboy Reservoir, 12 mi upstream, beginning April 10, 1933, for water
   supply of Baltimore City  (usable capacity, 20,000,000,000 gal; dead storage, 1,080,000,000 gal).
   U.S. Geological Survey satellite data-collection platform at station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 13,000 ft3/s, Sep. 8, 2011,
   gage height, 16.50 ft; minimum discharge, 30 ft3/s, Sep. 3, 1999.
COOPERATION.--Funding for the operation of this station is provided by the Baltimore City Department of
   Public Works, and the U.S. Geological Survey.