USGS Water-Year Summary 2021
0148471320 BIRCH BRANCH AT SHOWELL, MD
LOCATION - Lat 38°24'33.6", long 75°12'44.6" referenced to North American Datum of 1983, Worcester County, MD, Hydrologic Unit 02040303, on right bank at downstream side of bridge on U.S. Highway 113, 0.75 mi north of Showell, and 1.1 mi upstream from mouth.
DRAINAGE AREA - 6.38 mi².
- WDR-US-2009: 2002-2008.
PERIOD OF RECORD - December 1999 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is -0.84 ft above North American Vertical Datum of 1988.