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USGS 01648010 ROCK CREEK AT JOYCE RD WASHINGTON, DC

  Stream Site

DESCRIPTION:
Latitude 38°57'36.6",   Longitude 77°02'31.4"   NAD83
District Of Columbia, Dist. of Columbia, Hydrologic Unit 02070010
Drainage area: 63.7 square miles
Datum of gage: 136.78 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2012-10-01  2017-12-15  
 Daily Data
    Temperature, water, degrees Celsius  2012-06-08  2017-12-14  5886 
    Discharge, cubic feet per second  2012-10-01  2017-12-14  1901 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2012-06-08  2017-12-14  5850 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2012-06-08  2017-12-14  5844 
    pH, water, unfiltered, field, standard units  2012-06-08  2017-12-14  5718 
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2012-06-08  2017-12-14  5583 
    Water velocity reading from field sensor, feet per second -- 1500 kHz  2014-10-08  2017-12-14  3198 
    Water velocity reading from field sensor, feet per second -- 3000 kHz  2014-10-08  2017-12-14  3177 
    Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen  2015-11-24  2017-12-14  1716 
 Daily Statistics 
    Temperature, water, degrees Celsius  2012-06-08  2016-10-02 1529 
    Discharge, cubic feet per second  2012-10-01  2017-05-30 1703 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2012-06-08  2016-10-02 1517 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2012-06-08  2016-10-02 1515 
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2012-06-08  2016-10-02 1439 
    Water velocity reading from field sensor, feet per second -- 1500 kHz  2014-10-08  2016-10-31 660 
    Water velocity reading from field sensor, feet per second -- 3000 kHz  2014-10-08  2016-10-31 650 
    Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen  2015-11-24  2017-08-13 456 
 Monthly Statistics 
    Temperature, water, degrees Celsius  2012-06  2016-10  
    Discharge, cubic feet per second  2012-10  2017-05  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2012-06  2016-10  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2012-06  2016-10  
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2012-06  2016-10  
    Water velocity reading from field sensor, feet per second -- 1500 kHz  2014-10  2016-10  
    Water velocity reading from field sensor, feet per second -- 3000 kHz  2014-10  2016-10  
    Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen  2015-11  2017-08  
 Annual Statistics 
    Temperature, water, degrees Celsius  2012  2017  
    Discharge, cubic feet per second  2013  2017  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2012  2017  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2012  2017  
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2012  2017  
    Water velocity reading from field sensor, feet per second -- 1500 kHz  2015  2017  
    Water velocity reading from field sensor, feet per second -- 3000 kHz  2015  2017  
    Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen  2016  2017  
 Peak streamflow 2012-10-30  2016-05-03  4 
 Field measurements 2007-04-17  2017-10-02  62 
 Field/Lab water-quality samples 1999-02-18  2017-11-30  637 
 Water-Year Summary 2007  2016  10 
OPERATION:
Record for this site is maintained by the USGS Maryland Water Science Center
Email questions about this site to Maryland Water Science Center Water-Data Inquiries