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USGS 01589300 GWYNNS FALLS AT VILLA NOVA, MD

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION.--Lat 39°20'45.2", long 76°43'59.5", Baltimore County, Hydrologic Unit 02060003, 
   on right bank 300 ft downstream from bridge on Essex Road, 300 ft north of State Highway 26 (Liberty Road),
   in Villa Nova, 1.1 mi west of Baltimore City limits, and 11.5 mi upstream from mouth.
DRAINAGE AREA.--32.5 mi2.
PERIOD OF RECORD.--February 1957 to September 1988, October 1996 to current year.
REVISED RECORDS.--WDR MD-DE-83: 1981-82(P). WDR MD-DE-84: 1981(P). http://waterdata.usgs.gov/nwis/dv/?site_no=01589300: 2011-2014
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 360.61 ft above North American Vertical Datum of 1988.
   Prior to Aug. 27, 1963 and Oct. 25, 1972, to Sept. 20, 1973, water-stage recorder,
   and June 26, 1972 to Oct. 24, 1972, nonrecording gage, at site 300 ft upstream at same gage datum.
REMARKS.--Slight diurnal fluctuation at times from unknown source upstream from station. Small diversion for
   irrigation upstream from station. U.S. Geological Survey satellite data-collection platform at station. Water-quality records 
   for some prior periods have been collected at this location. 
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 16,200 ft3/s, Jun. 22, 1972,
   gage height, 21.50 ft; minimum discharge, 1.7 ft3/s, Sep. 7, 8, 1966.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of July 21, 1956, reached a stage of 12.6 ft, discharge,
   5,270 ft3/s on basis of contracted-opening measurement.
COOPERATION.--Funding for the operation of this station is provided by the Baltimore County Department
   of Environmental Protection & Sustainability, the Center for Urban Environmental 
   Research and Education, the University of Maryland Baltimore County, the National Science Foundation's 
   Long-Term Ecological Research Network, Baltimore Ecosystem Study (BES), and the U.S. Geological Survey.
This station managed by the MD-DE-DC Water Science Center Baltimore office.

Available Parameters Available Period
All 2 Available Parameters for this site
  
00060 Discharge 1981-02-02  2017-11-21
00065 Gage height 2007-10-01  2017-11-21

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


Discharge, cubic feet per second

Most recent instantaneous value: 16.3 11-21-2017   20:30 EST
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Daily discharge, cubic feet per second -- statistics for Nov 21 based on 52 years of record more
Min
(1964)
25th
percen-
tile
Most Recent
Instantaneous
Value Nov 21
Median Mean 75th
percen-
tile
Max
(1984)
9.10 14 16.3 19 27 32 168


Gage height, feet

Most recent instantaneous value: 0.90 11-21-2017   20:30 EST
Graph of  Gage height, feet

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