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LOCATION.--Lat 38°54'58.0", long 76°58'07.9", Washington, DC, Hydrologic Unit 02070010, on left bank 340 ft downstream from New York Ave, 760 ft upstream from Hickey Ln NE bridge. Water quality data collected at site 265 ft upstream from present gage location. DRAINAGE AREA.--1.01 mi2, from automated delineation using 10-meter National Elevation Dataset, digital elevation model data, dated 2006. October 2012 to November 2019, 0.99 mi2, from automated delineation using 30-meter National Elevation Dataset, digital elevation model data, dated 2006. PERIOD OF RECORD.--October 2012 to current year. REVISIONS HISTORY.--https://waterdata.usgs.gov/nwis/dv/?site_no=01651770: 2013 https://waterdata.usgs.gov/nwis/uv/?site_no=01651770: 2019 https://waterdata.usgs.gov/nwis/dv/?site_no=01651770: 2019. GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 16.16 ft above North American Vertical Datum of 1988. October 2012 to November 2019, at site 265 ft upstream at gage datum 1 ft higher (17.16 ft above NAVD88). REMARKS.--U.S. Geological Survey satellite data-collection platform at station (SW). U.S. Geological Survey water-data telemeter at station (QW). EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 2,490 ft³/s, Aug. 12, 2017, gage height, 10.24 ft; maximum gage height, 10.48 ft, Sept. 10, 2020; minimum discharge, 0.04 ft³/s, Feb. 25, 2013, May 11, 12, 2020. COOPERATION.--Funding for the operation of this station is provided by the United States Environmental Protection Agency, Chesapeake Bay Program Office (USEPA/CBPO) in collaboration with the Washington, DC District Department of the Environment, and the U.S. Geological Survey.
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Value Jul 28
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), TS087, [Discontinued]