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NOTICE (07/01/2020) -- Stream stage
and discharge data collection at this streamgage were discontinued on
07/01/2020 due to lack of funding.
Although historic data will remain accessible, no new data will be collected unless one or more new funding partners are found.
Potential funding partners or general questions concerning continuance of operations may contact Chuck Walker (firstname.lastname@example.org;443-498-5523).
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.
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