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USGS 01647600 POTOMAC RIVER AT WISCONSIN AVE, WASHINGTON, DC

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION.--Lat 38°54'12.1", long 77°04'03.6", Washington, DC, Hydrologic Unit 02070010,
   on left bank at upstream end of Georgetown Waterfront Park, 0.60 mi upstream from mouth of Rock Creek,
   0.08 mi downstream from Key Bridge, and at river mile 112.5.
DRAINAGE AREA.--Not determined.
PERIOD OF RECORD.--October 2009 to current year.
GAGE.--Water-stage recorder. Datum of gage is 0.00 ft above North American Vertical Datum of 1988 (NAVD88).
October 1, 2009 until September 30, 2013, datum of gage was 0.00 ft above National Geodetic Vertical Datum of 1929 (NGVD29). Washington Mean Low Water Datum (WMLW) is +2.26 ft above NAVD88. EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum tidal gage height, 16.31 ft NGVD29 (17.72 ft WMLW), Oct. 17, 1942; Minimum unknown. REMARKS.--This is a tidal station. Discharge is not determined at this location. U.S. Geological Survey satellite data-collection platform at station. COOPERATION.--Funding for the operation of this station is provided by the U.S. Army Corps of Engineers, and the U.S. Geological Survey.
This station managed by the MD-DE-DC Water Science Center Baltimore office.

Available Parameters Available Period
  
2009-10-01  2020-08-08
2020-04-10  2020-08-08







 (7)
 

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Summary of all available data for this site
Instantaneous-data availability statement


Gage height, feet, [NAVD 88]

Most recent instantaneous value: -0.14 08-08-2020   05:54 EDT
Graph of  Gage height, feet, [NAVD 88]

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Gage height, feet, [Washington Mean Low Water]

Most recent instantaneous value: 2.09 08-08-2020   05:54 EDT
Graph of  Gage height, feet, [Washington Mean Low Water]

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