USGS 05586300 ILLINOIS RIVER AT FLORENCE, IL

PROVISIONAL DATA SUBJECT TO REVISION

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This site is operated in cooperation with the

Cooperator logo Illinois Department of Natural Resources
Office of Water Resources

and


Cooperator logo Illinois Environmental Protection Agency



Note: Provisional nitrate plus nitrite load values might not reflect updated discharge and/or nitrate plus nitrite concentration data.

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This station managed by the Urbana Field Office.

Available Parameters Available Period
  
2012-06-02  2025-07-17
2012-05-26  2025-07-17
2012-06-02  2025-07-17
2012-06-02  2025-07-17
2025-03-18  2025-07-17
2012-06-02  2025-07-17
2014-11-06  2020-03-03
2014-04-04  2025-07-17
2014-04-04  2025-07-17
2021-03-30  2024-08-20
2013-04-26  2019-10-26
2012-06-02  2025-07-17
2015-06-04  2025-07-17
2022-07-17  2025-07-17
2012-06-02  2025-07-17







 (7)
 
  -- or --

 

 
Summary of all available data for this site
Instantaneous-data availability statement

Temperature, water, degrees Celsius
Most recent instantaneous value: 29.5 07-17-2025   02:30 CST
Graph of Temperature, water, degrees Celsius

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Gage height, feet
Most recent instantaneous value: 17.26 07-17-2025   02:30 CST
Graph of Gage height, feet

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius, [YSI]
Most recent instantaneous value: 591 07-17-2025   02:30 CST
Graph of Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius, [YSI]

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Dissolved oxygen, water, unfiltered, milligrams per liter, [YSI]
Most recent instantaneous value: 6.7 07-17-2025   02:30 CST
Graph of Dissolved oxygen, water, unfiltered, milligrams per liter, [YSI]

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Dissolved oxygen, water, unfiltered, percent of saturation, [YSI]
Most recent instantaneous value: 89 07-17-2025   02:30 CST
Graph of Dissolved oxygen, water, unfiltered, percent of saturation, [YSI]

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pH, water, unfiltered, field, standard units, [YSI]
Most recent instantaneous value: 8.2 07-17-2025   02:30 CST
Graph of pH, water, unfiltered, field, standard units, [YSI]

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Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE), [Discontinued March 3, 2020]
 
-- Data temporarily unavailable for the time period specified --

Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll
Most recent instantaneous value: 29.40 07-17-2025   02:30 CST
Graph of Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll

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Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin
Most recent instantaneous value: 0.64 07-17-2025   02:30 CST
Graph of Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin

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Orthophosphate, water, in situ, milligrams per liter as phosphorus, [WETLABS]
 
-- Data temporarily unavailable for the time period specified --

Orthophosphate, water, in situ, milligrams per liter as phosphorus, [YSI]
 
-- Data temporarily unavailable for the time period specified --

Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), (HACH)
Most recent instantaneous value: 44.2 07-17-2025   02:30 CST
Graph of Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)

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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), (YSI)
Most recent instantaneous value: 29.9 07-17-2025   02:30 CST
Graph of Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)

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Nitrate plus nitrite, water, unfiltered, pounds of nitrogen per day
Most recent instantaneous value: 154000 07-17-2025   02:30 CST
Graph of Nitrate plus nitrite, water, unfiltered, pounds of nitrogen per day

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Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen
Most recent instantaneous value: 2.0 07-17-2025   02:30 CST
Graph of Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen

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