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Water-Year Summary for Site 01647850

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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 2021: 2021-10-01 to 2022-09-30

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USGS Water-Year Summary 2021
LOCATION - Lat 39°04'06.5", long 77°04'54.3" referenced to North American Datum of 1983, Montgomery County, MD, Hydrologic Unit 02070010, on right bank approximately 1.2 mi upstream from confluence with Rock Creek, 1.7 mi east of Rockville, and 2.5 mi northwest of Kensington.
DRAINAGE AREA - 2.74 mi².
REVISIONS HISTORY - https://waterdata.usgs.gov/nwis/dv/?site_no=01647850: 2007-2014.
PERIOD OF RECORD - November 2006 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 260.19 ft above North American Vertical Datum of 1988.
  • Water Year 2020: Records fair, except those above 700 ft³/s and those for estimated discharges, which are poor. 
  • Water Year 2019: Records fair, except those for estimated discharges, which are poor.
  • Water Year 2018: Records poor, including those for estimated discharges.
  • Water Year 2017: Records fair, except those for estimated discharges, which are poor.
  • Water Years 2014–2016: Records fair, 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.

  • U.S. Geological Survey satellite data-collection platform at station.