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Due to a lapse in appropriations, the majority of USGS websites may not be up to date and may not reflect current conditions. Websites displaying real-time data, such as Earthquake and Water and information needed for public health and safety will be updated with limited support. Additionally, USGS will not be able to respond to inquiries until appropriations are enacted. For more information, please see www.doi.gov/shutdown.
NOTICE (2/2/2018) Construction work
upstream of this location is currently affecting flow past the
streamgage. Users of this data should be aware that the accuracy of
Gage Height and Discharge data should not be affected by this work
however there may be rapid increases or decreases in flow as a result
of the work.
If you have any questions or concerns please contact Matt Baker of USGS via email or at (301) 687-0919 x15
LOCATION.--Lat 39°11'57.8", long 77°16'31.3", 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. REMARKS.--Records are furnished by the Montgomery County Department of Environmental Protection. U.S. Geological Survey satellite data-collection platform at station. EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 1,350 ft³/s, Sept. 8, 2011, gage height, 5.97 ft; minimum discharge, 0.01 ft³/s, June 29, July 3, 6, 13, 2018, as a result of regulation upstream from station. COOPERATION.--Funding for the operation of this station is provided by the Montgomery County Department of Environmental Protection, and the U.S. Geological Survey.
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