LOCATION.--Lat 39°10'28.3", long 77°01'17.1", Montgomery County, MD, Hydrologic Unit 02060006, 
   on right bank at downstream side of bridge on State Highway 650, 1.0 mi upstream from mouth, 
   and 1.7 mi north of Sandy Spring.
DRAINAGE AREA.--27.0 mi2.
PERIOD OF RECORD.--June 1978 to current year.
REVISIONS HISTORY.--WDR MD-DE-DC-03-1: 1996-98, 2000-01(P). https://waterdata.usgs.gov/nwis/dv/?site_no=01591700: 2014-2015.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 302.85 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, 5,180 ft³/s, Jan. 19, 1996, gage height, 9.24 ft;
   minimum discharge, 0.12 ft³/s, Aug. 23, 24, 2002.
COOPERATION.--Funding for the operation of this station is provided by the Washington Suburban Sanitary
   Commission, and the U.S. Geological Survey.