LOCATION.--Lat 39°24'01.6", long 76°46'13.6", Baltimore County, MD, Hydrologic Unit 02060003,
   on grounds of McDonogh School. On left bank 650 ft upstream of confluence with Gwynns Falls, 0.7 mile 
   northwest of McDonogh, 0.8 mile southwest of Garrison, and 1.4 miles southeast of Owings Mills.
DRAINAGE AREA.--0.03 mi2.
PERIOD OF RECORD.--November 1999 to June 2019 (discontinued).
REVISIONS HISTORY.--WDR-US-2011: 2006(P), 2007.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 442.94 ft above North American 
   Vertical Datum of 1988. 
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 222 ft3/s, Nov. 16, 2006, gage height, 2.18 ft;
   minimum discharge, 0.0 ft3/s, no flow, July 31 to Sept. 30, Oct. 1-10, 13-15, 2002.