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USGS 07072500 Black River at Black Rock, AR

  Stream Site

DESCRIPTION:
Latitude 36°06'09",   Longitude 91°05'52"   NAD83
Lawrence County, Arkansas, Hydrologic Unit 11010009
Drainage area: 7,370 square miles
Datum of gage: 229.48 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1987-04-01  2025-10-27  
 Daily Data
    Discharge, cubic feet per second  1929-10-01  2025-10-26  32167 
 Daily Statistics 
    Discharge, cubic feet per second  1929-10-01  2025-07-28 32077 
 Monthly Statistics 
    Discharge, cubic feet per second  1929-10  2025-07  
 Annual Statistics 
    Discharge, cubic feet per second  1930  2025  
 Peak streamflow 1905-05-08  2024-01-24  120 
 Field measurements 1929-06-25  2025-09-09  308 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1945-10-01  1994-08-09  409 
 Water-Year Summary 2006  2024  19 
 Revisions  Loading...
OPERATION:
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