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USGS 01645000 SENECA CREEK AT DAWSONVILLE, MD

 

PROVISIONAL DATA SUBJECT TO REVISION
 
 
  
STATION.--01645000  SENECA CREEK AT DAWSONVILLE, MD
LOCATION.--Lat 39°07'41.1", long 77°20'08.8", Montgomery County, Hydrologic Unit 02070008,
   on right bank 60 ft downstream from bridge on State Highway 28, 150 ft downstream from mouth of Great
   Seneca Creek, 0.5 mi east of Dawsonville, and 5.8 mi upstream from mouth.
DRAINAGE AREA.--101 mi2.
PERIOD OF RECORD.--September 1930 to current year.
REVISED RECORDS.--WSP 726:  Drainage area.  WSP 1232:  1930.  WSP 1272: 1933.  WSP 1432:  1934-35(M),
   1941(M).  WDR MD-DE-74-1:  1970(M).
GAGE.--Water-stage recorder.  Concrete control since Mar. 3, 1934.  Datum of gage is 214.02 ft above
   National Geodetic Vertical Datum of 1929.  Sept. 26 to Nov. 9, 1930, chain gage, and Nov. 10, 1930 to
   Apr. 6, 1934, water-stage recorder, at highway bridge 60 ft upstream at same datum.
REMARKS.--Small diversion at times for irrigation upstream from station. National Weather Service
   gage-height telemeter at station. Several measurements of water temperature were made during the year.
   Water-quality records for some prior periods have been collected at this location.  .
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 26,100 ft3/s, June 22, 1972,
   gage height, 16.40 ft; minimum discharge, 1.7 ft3/s,  Sept. 28, 29, 1930.
COOPERATION.--Funding for the operation of this station is provided by the Interstate Commission on the
   Potomac River Basin, and the U.S. Geological Survey.

 
 

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Gage height, feet
Most recent value: 2.29   11-19-2004  05:30
Graph of Gage height, feet
Download a presentation-quality graph Parameter Code 00065; DD 03

Discharge, cubic feet per second
Most recent value: 94   11-19-2004  05:30
Graph of Discharge, cubic feet per second
Download a presentation-quality graph Parameter Code 00060; DD 04
Daily mean flow statistics for 11/19 based on 73 years of record in ft3/sec
Current Flow Minimum Mean Maximum 80 percent exceedance 50 percent exceedance 20 percent exceedance
94  15 67.7 412 36.0 52.0 90.4

Percent exceedance means that 80, 50, or 20 percent of all daily mean flows for 11/19 have been greater than the value shown.
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Retrieved on 2004-11-19 09:31:35 EST
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