LOCATION.-- Lat 39°42'22.9", long 78°09'09.9" referenced to North American Datum of 1983, Hydrologic
   Unit 02070004, Washington County, MD, 1.0 mi north of Hancock, MD, 3.0 mi southeast of Warfordsburg, PA,
   and 1.35 mi upstream from mouth.
DRAINAGE AREA.--113 mi2.
PERIOD OF RECORD.-- October 2005 to current year.
REVISIONS.http://waterdata.usgs.gov/nwis/inventory/?site_no=01613095 (2020): Drainage area.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 398.83 ft above North American 
   Vertical Datum of 1988.
REMARKS.--Occasional regulation of low flows from unknown source upstream from station and from the 
   effluent treatment plant located at the station. U.S. Geological Survey satellite data-collection
   platform at station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 5,920 ft³/s, March 5, 2008, gage height, 10.33 ft;
   maximum gage height, 10.41 ft, Sep. 28, 2018, as a result of backwater at station;
   minimum discharge, 0.27 ft³/s, Aug. 31, Sept. 1, 2010, as a result of regulation.  
COOPERATION.--Funding for the operation of this station is provided by the U.S. Environmental Protection
   Agency, the Town of Hancock, and the U.S. Geological Survey.