LOCATION.--Lat 39°39'17.3", long 76°46'51.3",
   Baltimore County, MD, Hydrologic Unit 02060003, on left bank off of Gunpowder Road (formerly Upper  
   Beckleysville Road), 1,000 ft upstream from Prettyboy Reservoir, 0.9 mi north of Beckleysville, 
   and 1.7 mi downstream from Indian Run.
DRAINAGE AREA.--7.68 mi2.
PERIOD OF RECORD.--March 2000 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 525.34 ft above North American 
   Vertical Datum of 1988. Previously operated as a low-flow partial-record station during water
   years 1977-82 at same location.
REMARKS.--U.S. Geological Survey satellite data-collection platform at station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 2,230 ft3/s, July 23, 2018, gage height, 7.85 ft;
   minimum discharge, 0.54 ft3/s, Aug. 21-23, 2002.
COOPERATION.--Funding for the operation of this station is provided by the Baltimore City Department
   of Public Works.