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USGS 11183600 WALNUT C A CONCORD CA

  Stream Site

DESCRIPTION:
Latitude 37°56'43",   Longitude 122°02'55"   NAD27
Contra Costa County, California, Hydrologic Unit 18050001
Drainage area: 85.2 square miles
Datum of gage: 35.44 feet above   NGVD29.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Daily Data
    Discharge, cubic feet per second  1968-10-01  1992-09-30  8766 
 Daily Statistics 
    Discharge, cubic feet per second  1968-10-01  1992-09-30 8766 
 Monthly Statistics 
    Discharge, cubic feet per second  1968-10  1992-09  
 Annual Statistics 
    Discharge, cubic feet per second  1969  1992  
 Peak streamflow 1969-01-26  1997-01-22  25 
 Field measurements 1968-10-15  1992-10-01  227 
 Field/Lab water-quality samples 1970-11-28  1988-08-09  10 
OPERATION:
Record for this site is maintained by the USGS California Water Science Center
Email questions about this site to California Water Science Center Water-Data Inquiries