LOCATION.--Lat 39°02'00.1", long 76°57'50.5", Montgomery County, MD, Hydrologic Unit 02070010, on left bank, upstream of Floral Drive bridge, 1.9 mi northwest of College Park, and 3.4 mi northeast of Takoma Park. DRAINAGE AREA.--13.1 mi2. PERIOD OF RECORD.--October 2007 to current year. GAGE.--Water-stage recorder, crest-stage gage, water-quality monitor and automatic sampler. Datum of gage is 150.57 ft above North American Vertical Datum of 1988. REVISIONS HISTORY.--WDR-US-2009: 2008(M). WDR-US-2011: 2008-2010. REMARKS.--U.S. Geological Survey gage-height telemeter at station. Low flow affected at times by slight regulation from unknown source upstream of station. EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 3,930 ft³/s, Aug. 14, 2011, gage height, 8.85 ft; minimum discharge, 0.04 ft³/s, July 8, 2012. 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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Value Feb 1
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), [TS087, Discontinued]