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Water-Year Summary for Site 01645000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
01645000 SENECA CREEK AT DAWSONVILLE, MD
LOCATION - Lat 39°07'41.1", long 77°20'08.8" referenced to North American Datum of 1983, Montgomery County, MD, Hydrologic Unit 02070008, on right bank at 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.
REVISIONS HISTORY - WSP 726: Drainage area. WSP 1232: 1930. WSP 1272: 1933. WSP 1432: 1934-35(M), 1941(M). WDR MD-DE-74-1: 1970(M), WDR MD-DE-DC-03-1: 2002(M).
SURFACE-WATER RECORDS
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. September 26 to November 9, 1930, chain gage, and November 10, 1930 to April 6, 1934, water-stage recorder, at highway bridge 60 ft upstream at same gage datum.
REMARKS -
  • Water Year 2023: Records good, except those for estimated discharges, which are poor. 
  • Water Year 2022: Records fair, except those for estimated discharges, which are poor.
  • Water Year 2021: Records good, except those for estimated discharges, which are poor. 
  • Water Year 2020: Records good, no estimated discharges. 
  • Water Years 2017-2019: Records good, except those for estimated discharges, which are poor.
  • Water Years 2014-2016: Records good, except those for estimated daily discharges, which are poor.
  • Water Year 2013 and prior years' accuracy statements can be found in Annual Water Data Reports.

    • Small diversion at times for irrigation upstream from station. U.S. Geological Survey satellite data-collection platform at station.