LOCATION.--Lat 39°13'32.8", long 76°52'12.2", Howard County, MD, Hydrologic Unit 02060006, on right bank, 
   approximately 300 ft off of walking path on Green Mountain Circle, at Columbia, 1.3 mi northwest 
   of Oakland Mills, 4.5 mi northwest of Guilford, and 0.25 mi upstream from mouth. 
DRAINAGE AREA.--1.20 mi2, from automated delineation using 30-meter National Elevation 
   Dataset, digital elevation model data, dated 2007.
PERIOD OF RECORD.--October 2012 to present.
REVISIONS HISTORY.--https://waterdata.usgs.gov/nwis/dv/?site_no=01593370: 2014; 2017.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 341.42 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, 1,280 ft³/s, June 22, 2020, gage height, 6.44 ft;
   minimum discharge, 0.10 ft³/s, Sept. 10-11, 2013.
COOPERATION.--Funding for the operation of this station is provided by the Columbia Association.