National Water Information System: Web Interface

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All Maryland-Delaware-District of Columbia times are reported in Eastern Standard Time (EST). To convert to Eastern Daylight Time (EDT) add 1 hour.


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", District of Columbia, 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 Washington Mean Low Water
   (Washington Mean Low Water = Mean Sea Level (NAVD) + 2.18 ft; Washington Mean Low Water = Mean Sea Level (NGVD29) + 1.41 ft.)
EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum tidal gage height, 17.72 ft (19.13 ft D.C. MLW), 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
All 2 Available Parameters for this site
  
00065 Gage height [NAVD88] 2009-10-01  2014-04-20
00065 Gage height [Washington Mean Low Water] 2013-12-21  2014-04-20

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Gage height, feet, [NAVD88]

Most recent instantaneous value: -0.68   04-20-2014  19:54 EST
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Gage height, feet, [Washington Mean Low Water]

Most recent instantaneous value: 1.50   04-20-2014  19:54 EST
Graph of  Gage height, feet, [Washington Mean Low Water]
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Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
Title: USGS Current Conditions for Dist. of Columbia
URL: http://waterdata.usgs.gov/dc/nwis/uv?

Page Contact Information: Maryland Water Data Support Team
Page Last Modified: 2014-04-20 22:01:11 EDT
1.35   1.15 sdww02