USGS Water-Year Summary 2022
01589238 GWYNNS FALLS TRIBUTARY AT MCDONOGH, MD
LOCATION - Lat 39°24'01.6", long 76°46'13.6" referenced to North American Datum of 1983, Baltimore County, MD, Hydrologic Unit 02060003, on grounds of McDonogh School. On left bank 650 ft upstream of confluence with Gwynns Falls, 0.7 mile northwest of McDonogh, 0.8 mile southwest of Garrison, and 1.4 miles southeast of Owings Mills.
DRAINAGE AREA - 0.03 mi².
- WDR-US-2011: 2006 (P), 2007.
PERIOD OF RECORD - November 1999 to June 2019 (discontinued).
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 442.94 ft above North American Vertical Datum of 1988.