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[!] During cold weather, ice effects on stage, groundwater levels, precipitation and water quality parameters at some stream-gaging stations and wells are likely. Data values reported on these pages may be significantly higher or lower than actual values. Adjustment of data for ice effects can only be done after detailed analysis. Users are encouraged to contact this office for more information on specific stream-gaging stations or wells.




USGS 01645000 SENECA CREEK AT DAWSONVILLE, MD

PROVISIONAL DATA SUBJECT TO REVISION

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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.
GAGE.--Water-stage recorder and crest-stage gage. Concrete control since March 3, 1934. Datum of gage is 213.31 ft above
    North American Vertical Datum of 1988. 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 gage datum.
REMARKS.--Small diversion at times 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, 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.
Boating safety tips
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 2007-10-01  2014-12-17
00065 Gage height 2014-08-19  2014-12-17

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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: 156   12-17-2014  17:45 EST
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Daily discharge, cubic feet per second -- statistics for Dec 17 based on 84 years of record more
Min
(1931)
25th
percen-
tile
Median Mean 75th
percen-
tile
Most Recent
Instantaneous
Value Dec 17
Max
(2004)
10 48 71 108 137 156 708


Gage height, feet

Most recent instantaneous value: 2.37   12-17-2014  17:45 EST
Graph of  Gage height, feet

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