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USGS 11098000 ARROYO SECO NR PASADENA CA

  Stream Site

DESCRIPTION:
Latitude 34°13'20",   Longitude 118°10'36"   NAD27
Los Angeles County, California, Hydrologic Unit 18070105
Drainage area: 16.0 square miles
Datum of gage: 1,397.88 feet above   NGVD29.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2007-10-01  2016-09-30  
 Daily Data
    Discharge, cubic feet per second  1910-12-01  2016-09-29  38216 
 Daily Statistics 
    Discharge, cubic feet per second  1910-12-01  2015-12-07 37919 
 Monthly Statistics 
    Discharge, cubic feet per second  1910-12  2015-12  
 Annual Statistics 
    Discharge, cubic feet per second  1911  2016  
 Peak streamflow 1914-02-20  2015-07-19  102 
 Field measurements 1938-03-02  2016-08-09  362 
 Field/Lab water-quality samples 2009-09-10  2009-12-08  4 
 Water-Year Summary 2005  2015  11 

Additional Data Sources

Begin Date

End Date

Count
 Instantaneous-Data Archive  **offsite** 1988-10-01  2007-09-30  623458 
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