USGS Water-Year Summary 2021
01493000 UNICORN BRANCH NEAR MILLINGTON, MD
LOCATION - Lat 39°14'59.8", long 75°51'41.4" referenced to North American Datum of 1983, Queen Anne's County, MD, Hydrologic Unit 02060002, at downstream side of bridge on State Highway 313, 0.9 mi upstream from mouth, and 1.4 mi southwest of Millington.
DRAINAGE AREA - 19.7 mi².
- WSP 1382: 1952(P). WRD MD-DE-95-1: Drainage area.
PERIOD OF RECORD - January 1948 to September 2005; October 2006 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 2.78 ft above North American Vertical Datum of 1988. Prior to October 1, 2013, gage located on right bank, 60 ft upstream at same gage datum.