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USGS 01491000 CHOPTANK RIVER NEAR GREENSBORO, MD

 

PROVISIONAL DATA SUBJECT TO REVISION
 
 
  

STATION.--01491000  CHOPTANK RIVER NEAR GREENSBORO, MD 
LOCATION.--Lat 38°59'49.9", long 75°47'08.9", Caroline County, Hydrologic Unit 02060005, on left
   bank at highway   bridge, 0.1 mi upstream from Gravelly Branch, 2.0 mi northeast of Greensboro, and
   60 mi upstream from mouth.
DRAINAGE AREA.--113 mi2.
PERIOD OF RECORD.--January 1948 to current year.
REVISED RECORDS.--WSP 1622:  1948.  WDR MD-DE-79-1:  1961(P).
GAGE.--Water-stage recorder and concrete control.  Datum of gage is 3.51 ft above National Geodetic
   Vertical Datum of 1929.
REMARKS.--Diversions for irrigation of about 500 acres upstream from station. U.S. Geological Survey
   gage-height telemeter at station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 6,970 ft3/s, Aug. 4, 1967,
   gage height, 14.47 ft; minimum discharge, 0.26 ft3/s,  Aug. 19, 20, 2002.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood in 1935 is believed to have been higher than that of
   Aug. 4, 1967, from information by local residents.
COOPERATION.--Funding for the operation of this station is provided by the U.S Geological Survey.

 
 

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Discharge, cubic feet per second
Most recent value: 66   11-19-2004  15:15
Graph of Discharge, cubic feet per second
Download a presentation-quality graph Parameter Code 00060; DD 02
Daily mean flow statistics for 11/19 based on 55 years of record in ft3/sec
Current Flow Minimum Mean Maximum 80 percent exceedance 50 percent exceedance 20 percent exceedance
66  12 83.3 888 25.4 43.0 108

Percent exceedance means that 80, 50, or 20 percent of all daily mean flows for 11/19 have been greater than the value shown.

Gage height, feet
Most recent value: 2.89   11-19-2004  15:15
Graph of Gage height, feet
Download a presentation-quality graph Parameter Code 00065; DD 03
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Retrieved on 2004-11-19 18:17:00 EST
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