39°30'55.9", long 76°22'07.8", Harford County, MD,
Hydrologic Unit 02060003, on left bank at upstream side of highway
bridge on Bel Air
Road (US-1 Business), 0.9 mi downstream from Heavenly Waters, 1.8 mi
southwest of Bel Air, and 9.5 mi upstream from mouth.
DRAINAGE AREA.--36.8 mi2.
PERIOD OF RECORD.--July 1954 to July 1966 (occasional low-flow
measurements), April 1988 to September 2015 (operated as a low-flow
Annual maximum, water year 2006. October 2015 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage
is 179.57 ft above North American Vertical Datum of 1988.
REMARKS.--U.S. Geological Survey satellite data-collection
platform at station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 5,740 ft³/s,
Feb. 24, 2016, gage height, 9.59 ft; minimum discharge, 3.76 ft³/s,
Nov. 8, 2016,
as a result of regulation from water plant at station.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of June 27, 2006
reached a stage of 11.35 ft, from floodmarks and strip chart record,
discharge, 7,240 ft³/s.
COOPERATION.--Funding for the operation of this station is
provided by the Maryland Department of the Environment and the U. S.
This station managed by the MD-DE-DC Water Science Center Baltimore office.
Summary of all available data for this site
Instantaneous-data availability statement