USGS Water-Year Summary 2019
01613095 TONOLOWAY CREEK NEAR HANCOCK, MD
LOCATION - Lat 39°42'22.9", long 78°09'09.9" referenced to North American Datum of 1983, Washington County, MD, Hydrologic Unit 02070004, 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. from delineation using 30-meter National Elevation Dataset digital elevation model data, dated 2011. This includes 112.47 mi² automated delineation, plus 0.292 mi² hand delineation to include known tributary which enters above the gaging location.
PERIOD OF RECORD - October 2005 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 398.83 ft above North American Vertical Datum of 1988.