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ALL DATA ARE AT LOCAL TIME

During winter months, cold and ice may result in inaccurate real-time gage height and streamflow data. Adjustments or deletions of this data can only be done after detailed analysis.



USGS 01402000 Millstone River at Blackwells Mills NJ

  Stream Site

DESCRIPTION:
Latitude 40°28'30",   Longitude 74°34'33"   NAD83
Somerset County, New Jersey, Hydrologic Unit 02030105
Drainage area: 258 square miles
Datum of gage: 26.97 feet above   NGVD29.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2007-10-01  2016-08-28  
 Daily Data
    Temperature, water, degrees Celsius  2001-08-01  2001-08-02  6 
    Discharge, cubic feet per second  1921-08-04  2016-08-27  34722 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2001-08-01  2001-08-02  6 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2001-08-01  2001-08-02  6 
    Dissolved oxygen, water, unfiltered, percent of saturation  2001-08-01  2001-08-02  6 
    pH, water, unfiltered, field, standard units  2001-08-01  2001-08-02  6 
 Daily Statistics 
    Temperature, water, degrees Celsius  2001-08-01  2001-08-02 
    Discharge, cubic feet per second  1921-08-04  2015-04-30 34238 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2001-08-01  2001-08-02 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2001-08-01  2001-08-02 
    Dissolved oxygen, water, unfiltered, percent of saturation  2001-08-01  2001-08-02 
 Monthly Statistics 
    Temperature, water, degrees Celsius  2001-08  2001-08  
    Discharge, cubic feet per second  1921-08  2015-04  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2001-08  2001-08  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2001-08  2001-08  
    Dissolved oxygen, water, unfiltered, percent of saturation  2001-08  2001-08  
 Annual Statistics 
    Temperature, water, degrees Celsius  2001  2001  
    Discharge, cubic feet per second  1921  2015  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2001  2001  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2001  2001  
    Dissolved oxygen, water, unfiltered, percent of saturation  2001  2001  
 Peak streamflow 1921-08-08  2014-05-01  94 
 Field measurements 1966-10-20  2016-07-19  323 
 Field/Lab water-quality samples 1923-08-12  2016-08-25  363 
 Water-Year Summary 2006  2014  9 

Additional Data Sources

Begin Date

End Date

Count
 Instantaneous-Data Archive  **offsite** 1981-10-01  2007-09-28  905824 
OPERATION:
Record for this site is maintained by the USGS New Jersey Water Science Center
Email questions about this site to New Jersey Water Science Center Water-Data Inquiries