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USGS 453027122400000 WILLAMETTE RIVER BLW HOLGATE CHANNEL, PORTLAND, OR

  Stream Site

DESCRIPTION:
Latitude 45°30'26.93",   Longitude 122°39'59.81"   NAD83
Multnomah County, Oregon, Hydrologic Unit 17090012
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2023-06-06  2025-10-18  
 Daily Data
    Temperature, water, degrees Celsius  2023-06-06  2025-10-17  1249 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2023-06-06  2025-10-17  1247 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2023-06-06  2025-10-17  1249 
    pH, water, unfiltered, field, standard units  2023-06-06  2025-10-17  1247 
    Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)  2023-06-06  2025-10-17  1255 
    Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll  2023-06-06  2025-10-17  1255 
    Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin  2023-06-06  2025-10-17  1253 
    Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)  2023-06-06  2025-10-17  1255 
 Revisions  Loading...
OPERATION:
Record for this site is maintained by the USGS Oregon Water Science Center
Email questions about this site to Oregon Water Science Center Water-Data Inquiries