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LOCATION.--Lat 39°22'14.8", 1ong 76°26'45.8", Baltimore County, MD, Hydrologic Unit 02060003,
   at upstream side of bridge on State Highway 7, 1.0 mi southwest of White Marsh, and 3.0 mi upstream from mouth.
DRAINAGE AREA.--7.61 mi2.
PERIOD OF RECORD.--February 1959 to September 1989, March 1992 to current year.
REVISIONS HISTORY.--WDR MD-DE-73-1: 1960(M), 1967-68, 1969(M). WDR MD-DE-79-1: 1965-66(M). WRD-US-2010: 2006-07(P).
GAGE.--Water-stage recorder, crest-stage gage, and rock control. Datum of gage is 33.71 ft above North American Vertical Datum of 1988.
   Prior to June 12, 2002, water-stage recorder at site on left bank, upstream side of Route 7 bridge at gage datum 4.44 ft higher.
   June 12, 2002 to September 30, 2004, water-stage recorder at site 2,500 ft upstream, on left downstream side of Interstate 95 
   box culvert at gage datum 4.44 ft higher. September 30, 2004 to September 8, 2017, water-stage recorder at site 80 ft downstream
   on right wing wall at present datum.
REMARKS.--U.S. Geological Survey satellite data-collection platform at station. Low flow affected by operations of sand and
   gravel plant in vicinity of gage.
COOPERATION.--Funding for the operation of this station is provided by the Maryland State Highway Administration, 
   and the U.S. Geological Survey. 
Boating safety tips
This station managed by the MD-DE-DC Water Science Center Baltimore office.

Available Parameters Available Period
1992-03-06  2020-01-24
2007-10-01  2020-01-24


  -- or --



Summary of all available data for this site
Instantaneous-data availability statement

Discharge, cubic feet per second

Most recent instantaneous value: 3.36 01-24-2020   11:15 EST
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jan 24 based on 56 water years of record more
Most Recent
Value Jan 24
Median 75th
Mean Max
1.80 3.36 3.5 5.7 9.5 19 191

Gage height, feet

Most recent instantaneous value: 3.37 01-24-2020   11:15 EST
Graph of  Gage height, feet

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