USGS Water-Year Summary 2021
03075850 ARROWHEAD RUN AT THAYERVILLE, MD
LOCATION - Lat 39°30'09.9", long 79°19'37.9" referenced to North American Datum of 1983, Garrett County, MD, Hydrologic Unit 05020006, on right bank, 375 ft upstream of culvert at State Highway 219, 4.0 mi southeast of McHenry, 0.25 mi northwest of Thayerville, and 450 ft upstream of confluence with Deep Creek Lake.
DRAINAGE AREA - 1.03 mi². from automated delineation using 30-meter National Elevation Dataset, digital elevation model data, dated February 2011.
PERIOD OF RECORD - January to June 2017 (gage heights and discharge measurements only), July 2017 to current year. Water quality data, August 11, 1983, published as PINEY RUN AT THAYERVILLE.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 2461.88 ft above North American Vertical Datum of 1988.