Warning: Javascript must be enabled to use all the features on this page!

Page Loading - Please Wait...

* We've detected you're using a mobile device. Find our Next Generation Station Page here.
Click to hideNews Bulletins
  • Notice of planned maintenance to underlying USGS network September 24-26, 2021: During this maintenance period users may experience intermittent periods of inaccessibility or delayed delivery of hydrologic data to the USGS National Water Information System (NWIS). Please email gs-w_support_nwisweb@usgs.gov with any concerns regarding impacts to data delivery.
  • Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.
  • Full News RSS icon

Water-Year Summary for Site 01644375

Click to hide Water-Year Summary instructions and information
  • 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

Print this page
USGS Water-Year Summary 2021
LOCATION - Lat 39°11'57.8", long 77°16'31.3" referenced to North American Datum of 1983, Montgomery County, MD, Hydrologic Unit 02070008, on left bank 1.8 mi north of Germantown, and 1.6 mi west of Neelsville, on the northeastern edge of Little Seneca Regional Park.
DRAINAGE AREA - 1.35 mi².
PERIOD OF RECORD - June 2004 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 424.56 ft above North American Vertical Datum of 1988. Prior to June 7, 2007, gage located 162 ft upstream, at gage datum 1.45 ft higher.
  • Water Year 2020: Records poor.  No estimated discharges.
  • Water Year 2019: Records poor, including those for estimated discharges.
  • Water Years 2017-2018: Records fair, except those above 100 ft³/s, and those for estimated discharges, which are poor.
  • Water Years 2014-2016: Records fair, except those above 100 ft³/s, and those for estimated daily discharges, which are poor.
  • Water Year 2013 and prior years' accuracy statements can be found in Annual Water Data Reports.

  • Records are furnished by the Montgomery County Department of Environmental Protection.  U.S. Geological Survey satellite data-collection platform at station.