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USGS 05553700 ILLINOIS RIVER AT STARVED ROCK, IL

  Stream Site

DESCRIPTION:
Latitude 41°19'29",   Longitude 88°59'02"   NAD27
Lasalle County, Illinois, Hydrologic Unit 07130001
Drainage area: 11,056.00 square miles
Contributing drainage area: 11,056.00 square miles,
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2018-06-05  2023-05-29  
 Daily Data
    Temperature, water, degrees Celsius -- BN  2021-09-24  2023-05-28  1689 
    Temperature, water, degrees Celsius -- SHD  2018-06-06  2022-04-11  3687 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- SHD  2018-06-06  2022-04-11  3618 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- BN  2021-09-24  2023-05-28  1671 
    Dissolved oxygen, water, unfiltered, milligrams per liter -- SHD  2018-06-06  2022-04-11  3669 
    Dissolved oxygen, water, unfiltered, milligrams per liter -- BN  2021-09-24  2023-05-28  1686 
    pH, water, unfiltered, field, standard units -- SHD  2018-06-06  2022-04-11  3705 
    pH, water, unfiltered, field, standard units -- BN  2021-09-24  2023-05-28  1689 
    Chlorophylls, water, in situ, fluorometric method, excitation at 470 +-15 nm, emission at 685 +-20 nm, micrograms per liter -- SHD  2018-06-06  2022-04-11  3732 
    Chlorophylls, water, in situ, fluorometric method, excitation at 470 +-15 nm, emission at 685 +-20 nm, micrograms per liter -- BN  2021-09-24  2023-05-28  1680 
    Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin -- BN  2021-09-24  2023-05-28  1689 
    Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin -- SHD  2018-06-06  2022-04-11  3672 
    Orthophosphate, water, in situ, milligrams per liter as phosphorus -- BN  2022-03-16  2023-05-28  660 
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- BN  2021-09-24  2023-05-28  1680 
    Carbon dioxide, water, dissolved, at the water surface, parts per million by volume of dissolved gases  2022-03-24  2023-05-08  732 
    Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen -- BN  2021-09-24  2023-05-28  1671 
 Daily Statistics 
    Temperature, water, degrees Celsius -- BN  2021-09-24  2023-03-01 475 
    Temperature, water, degrees Celsius -- SHD  2018-06-06  2022-03-14 1201 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- SHD  2018-06-06  2022-04-11 1206 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- BN  2021-09-24  2023-03-01 470 
    Dissolved oxygen, water, unfiltered, milligrams per liter -- SHD  2018-06-06  2022-04-11 1223 
    Dissolved oxygen, water, unfiltered, milligrams per liter -- BN  2021-09-24  2023-03-01 475 
    Chlorophylls, water, in situ, fluorometric method, excitation at 470 +-15 nm, emission at 685 +-20 nm, micrograms per liter -- SHD  2018-06-06  2022-04-11 1244 
    Chlorophylls, water, in situ, fluorometric method, excitation at 470 +-15 nm, emission at 685 +-20 nm, micrograms per liter -- BN  2021-09-24  2023-03-01 472 
    Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin -- SHD  2018-06-06  2022-04-11 1224 
    Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin -- BN  2021-09-24  2023-03-01 475 
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- BN  2021-09-24  2023-03-01 473 
    Carbon dioxide, water, dissolved, at the water surface, parts per million by volume of dissolved gases  2022-03-24  2022-07-22 121 
    Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen -- BN  2021-09-24  2022-10-18 365 
 Monthly Statistics 
    Temperature, water, degrees Celsius -- BN  2021-09  2023-03  
    Temperature, water, degrees Celsius -- SHD  2018-06  2022-03  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- SHD  2018-06  2022-04  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- BN  2021-09  2023-03  
    Dissolved oxygen, water, unfiltered, milligrams per liter -- SHD  2018-06  2022-04  
    Dissolved oxygen, water, unfiltered, milligrams per liter -- BN  2021-09  2023-03  
    Chlorophylls, water, in situ, fluorometric method, excitation at 470 +-15 nm, emission at 685 +-20 nm, micrograms per liter -- SHD  2018-06  2022-04  
    Chlorophylls, water, in situ, fluorometric method, excitation at 470 +-15 nm, emission at 685 +-20 nm, micrograms per liter -- BN  2021-09  2023-03  
    Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin -- SHD  2018-06  2022-04  
    Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin -- BN  2021-09  2023-03  
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- BN  2021-09  2023-03  
    Carbon dioxide, water, dissolved, at the water surface, parts per million by volume of dissolved gases  2022-03  2022-07  
    Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen -- BN  2021-09  2022-10  
 Annual Statistics 
    Temperature, water, degrees Celsius -- BN  2021  2023  
    Temperature, water, degrees Celsius -- SHD  2018  2022  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- SHD  2018  2022  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- BN  2021  2023  
    Dissolved oxygen, water, unfiltered, milligrams per liter -- SHD  2018  2022  
    Dissolved oxygen, water, unfiltered, milligrams per liter -- BN  2021  2023  
    Chlorophylls, water, in situ, fluorometric method, excitation at 470 +-15 nm, emission at 685 +-20 nm, micrograms per liter -- SHD  2018  2022  
    Chlorophylls, water, in situ, fluorometric method, excitation at 470 +-15 nm, emission at 685 +-20 nm, micrograms per liter -- BN  2021  2023  
    Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin -- SHD  2018  2022  
    Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin -- BN  2021  2023  
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- BN  2021  2023  
    Carbon dioxide, water, dissolved, at the water surface, parts per million by volume of dissolved gases  2022  2022  
    Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen -- BN  2021  2023  
 Field measurements 2022-06-02  2022-06-02  1 
 Field/Lab water-quality samples 1978-12-07  2023-05-18  104 
 Water-Year Summary 2018  2022  5 
 Revisions  Loading...
OPERATION:
Record for this site is maintained by the USGS Illinois Water Science Center
Email questions about this site to Illinois Water Science Center Water-Data Inquiries