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| Data Type | Begin Date | End Date | Count |
|---|---|---|---|
| Current / Historical Observations (availability statement) | 1985-10-11 | 2025-11-15 | |
| Daily Data | |||
| Temperature, water, degrees Celsius -- (YSI) | 2014-12-13 | 2024-10-03 | 2098 |
| Discharge, cubic feet per second | 1914-10-01 | 2025-11-14 | 38130 |
| Gage height, feet | 1993-10-01 | 2025-11-14 | 11073 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2014-12-13 | 2021-10-04 | 1799 |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2014-12-13 | 2021-06-06 | 3382 |
| pH, water, unfiltered, field, standard units | 2014-12-13 | 2021-10-04 | 1740 |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus -- (Alyza) | 2014-12-13 | 2022-04-13 | 2823 |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus -- (Cycle) | 2020-12-10 | 2021-08-12 | 252 |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus -- (Hach_EZ7800) | 2020-11-17 | 2021-07-20 | 543 |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus -- (Hach_Phosphax) | 2020-11-17 | 2025-11-14 | 2412 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- (YSI) | 2014-12-13 | 2024-10-03 | 6197 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- (HACH-Solitax) | 2015-06-02 | 2025-11-14 | 8778 |
| Suspended sediment concentration, milligrams per liter | 2011-03-15 | 2012-09-29 | 565 |
| Suspended sediment discharge, short tons per day | 2011-03-15 | 2012-09-29 | 565 |
| Nitrate plus nitrite, water, unfiltered, pounds of nitrogen per day | 2014-12-20 | 2025-11-14 | 1742 |
| Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen | 2014-12-18 | 2025-11-14 | 9686 |
| Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen -- (NT3100) | 2023-12-19 | 2024-10-03 | 864 |
| Daily Statistics | |||
| Temperature, water, degrees Celsius -- (YSI) | 2014-12-13 | 2024-10-03 | 2098 |
| Discharge, cubic feet per second | 1914-10-01 | 2025-07-24 | 38028 |
| Gage height, feet | 1993-10-01 | 2025-07-24 | 10971 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2014-12-13 | 2021-10-03 | 1798 |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2014-12-13 | 2021-06-06 | 1691 |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus -- (Alyza) | 2014-12-13 | 2021-07-26 | 939 |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus -- (Cycle) | 2020-12-10 | 2021-08-12 | 84 |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus -- (Hach_EZ7800) | 2020-11-17 | 2021-07-20 | 181 |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus -- (Hach_Phosphax) | 2020-11-17 | 2021-09-01 | 259 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- (HACH-Solitax) | 2015-06-03 | 2024-10-03 | 2526 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- (YSI) | 2014-12-13 | 2021-10-04 | 1786 |
| Suspended sediment concentration, milligrams per liter | 2011-03-15 | 2012-09-29 | 565 |
| Suspended sediment discharge, short tons per day | 2011-03-15 | 2012-09-29 | 565 |
| Nitrate plus nitrite, water, unfiltered, pounds of nitrogen per day | 2014-12-20 | 2017-11-13 | 670 |
| Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen | 2014-12-18 | 2024-10-03 | 2822 |
| Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen -- (NT3100) | 2023-12-19 | 2024-10-03 | 288 |
| Monthly Statistics | |||
| Temperature, water, degrees Celsius -- (YSI) | 2014-12 | 2024-10 | |
| Discharge, cubic feet per second | 1914-10 | 2025-07 | |
| Gage height, feet | 1993-10 | 2025-07 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2014-12 | 2021-10 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2014-12 | 2021-06 | |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus -- (Alyza) | 2014-12 | 2021-07 | |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus -- (Cycle) | 2020-12 | 2021-08 | |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus -- (Hach_EZ7800) | 2020-11 | 2021-07 | |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus -- (Hach_Phosphax) | 2020-11 | 2021-09 | |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- (HACH-Solitax) | 2015-06 | 2024-10 | |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- (YSI) | 2014-12 | 2021-10 | |
| Suspended sediment concentration, milligrams per liter | 2011-03 | 2012-09 | |
| Suspended sediment discharge, short tons per day | 2011-03 | 2012-09 | |
| Nitrate plus nitrite, water, unfiltered, pounds of nitrogen per day | 2014-12 | 2017-11 | |
| Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen | 2014-12 | 2024-10 | |
| Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen -- (NT3100) | 2023-12 | 2024-10 | |
| Annual Statistics | |||
| Temperature, water, degrees Celsius -- (YSI) | 2015 | 2025 | |
| Discharge, cubic feet per second | 1915 | 2025 | |
| Gage height, feet | 1994 | 2025 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2015 | 2022 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2015 | 2021 | |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus -- (Alyza) | 2015 | 2021 | |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus -- (Cycle) | 2021 | 2021 | |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus -- (Hach_EZ7800) | 2021 | 2021 | |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus -- (Hach_Phosphax) | 2021 | 2021 | |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- (HACH-Solitax) | 2015 | 2025 | |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- (YSI) | 2015 | 2022 | |
| Suspended sediment concentration, milligrams per liter | 2011 | 2012 | |
| Suspended sediment discharge, short tons per day | 2011 | 2012 | |
| Nitrate plus nitrite, water, unfiltered, pounds of nitrogen per day | 2015 | 2018 | |
| Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen | 2015 | 2025 | |
| Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen -- (NT3100) | 2024 | 2025 | |
| Peak streamflow | 1915-08-02 | 2024-01-26 | 103 |
| Field measurements | 1960-06-23 | 2025-09-19 | 598 |
| Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) | 1965-01-12 | 2024-03-08 | 758 |
| Water-Year Summary | 2006 | 2025 | 20 |
| Revisions | Loading... | ||
U.S. Department of the Interior |
U.S. Geological Survey
Title: NWIS Site Information for USA: Site Inventory
URL:
Page Contact Information: Illinois Water Data Support Team
Page Last Modified: 2025-11-15 23:06:51 EST
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