USGS Water-Year Summary 2019
01589464 STONY RUN AT RIDGEMEDE ROAD AT BALTIMORE, MD
LOCATION - Lat 39°20'22.2", long 76°37'32.5" referenced to North American Datum of 1983, Baltimore City, MD, Hydrologic Unit 02060003, on left, downstream side of pedestrian bridge, 0.25 mi downstream from Overhill Road, near intersection of Linkwood Road and Ridgemede Road.
DRAINAGE AREA - 2.20 mi².
PERIOD OF RECORD - May 2005 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 213.83 ft above North American Vertical Datum of 1988.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum discharge, 980 ft³/s, July 7, 2004, gage height, 6.64 ft (from floodmarks).