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LOCATION.--Lat 38°54'04.6", long 76°56'35.8", Washington DC, Hydrologic Unit 02070010, at upstream side of Minnesota Ave. bridge, and 1.0 mi upstream from mouth. DRAINAGE AREA.-- 3.36 mi2. PERIOD OF RECORD.--June 1992 to current year. PERIOD OF RECORD (WATER QUALITY).--January 2013 to current year. REVISIONS HISTORY (WATER QUALITY).--https://waterdata.usgs.gov/nwis/dv/?site_no=01651800: 2015 GAGE.-Water-stage recorder and crest-stage gage. Datum of gage is 10.73 ft above North American Vertical Datum of 1988 (NAVD88). June 1992 to Sept. 30, 2007, at site 210 ft upstream at gage datum 5.00 ft higher (15.73 ft above NAVD88). October 2007 to September 2008 at site 10 ft upstream at gage datum 5.00 ft higher (15.73 ft above NAVD88). October 2008 to June 13, 2016, at site 10 ft upstream at present datum. REMARKS.--U.S. Geological Survey water-data telemeter at station. EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 2,770 ft3/s, June 1, 2012, gage height, 9.95 ft; minimum discharge, 0.01 ft3/s, July 27-29, August 1, 2, 4, 5, 8-11, 2011. COOPERATION.--Funding for the operation of this station is provided by the District of Columbia Department of the Environment, and the U.S. Geological Survey. Funding for the water-quality at this station is provided by the United States Environmental Protection Agency, Chesapeake Bay Program Office (USEPA/CBPO) in collaboration with the District of Columbia Department of the Environment, and the U.S. Geological Survey.
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Value Dec 14
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)