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USGS 07072500 Black River at Black Rock, AR

  Stream Site

Latitude 36°06'09",   Longitude 91°05'52"   NAD83
Lawrence County, Arkansas, Hydrologic Unit 11010009
Drainage area: 7,370 square miles
Datum of gage: 229.56 feet above   NGVD29.
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2007-10-01  2016-10-28  
 Daily Data
    Discharge, cubic feet per second  1929-10-01  2016-10-27  28882 
 Daily Statistics 
    Discharge, cubic feet per second  1929-10-01  2015-12-29 28579 
 Monthly Statistics 
    Discharge, cubic feet per second  1929-10  2015-12  
 Annual Statistics 
    Discharge, cubic feet per second  1930  2016  
 Peak streamflow 1905-05-08  2014-04-29  110 
 Field measurements 1929-06-25  2016-09-14  263 
 Field/Lab water-quality samples 1945-10-01  1994-08-09  409 
 Water-Year Summary 2006  2015  10 

Additional Data Sources

Begin Date

End Date

 Instantaneous-Data Archive  **offsite** 1987-04-01  2007-09-30  178967 
Record for this site is maintained by the USGS Arkansas Water Science Center
Email questions about this site to Arkansas Water Science Center Water-Data Inquiries