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| Data Type | Begin Date | End Date | Count |
|---|---|---|---|
| Current / Historical Observations (availability statement) | 2009-04-10 | 2025-11-09 | |
| Daily Data | |||
| Temperature, water, degrees Celsius | 2015-09-22 | 2021-10-05 | 6501 |
| Discharge, cubic feet per second | 1909-10-01 | 2025-11-08 | 23264 |
| Gage height, feet | 1973-10-01 | 2025-11-08 | 6334 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2015-09-22 | 2021-10-05 | 6374 |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2015-09-22 | 2021-10-05 | 6426 |
| pH, water, unfiltered, field, standard units | 2015-11-06 | 2021-10-05 | 6189 |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus -- (CYC) | 2015-11-09 | 2022-09-13 | 1737 |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus -- (YSI) | 2022-11-10 | 2023-12-02 | 744 |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus -- (HACH) | 2024-12-05 | 2025-11-08 | 726 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- (YSI) | 2015-09-22 | 2021-10-05 | 6508 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- (HACH) | 2015-09-22 | 2025-11-08 | 10320 |
| Nitrate plus nitrite, water, unfiltered, pounds of nitrogen per day | 2015-09-22 | 2025-11-08 | 1472 |
| Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen | 2015-09-22 | 2025-11-08 | 10530 |
| Daily Statistics | |||
| Temperature, water, degrees Celsius | 2015-09-22 | 2021-10-05 | 2158 |
| Discharge, cubic feet per second | 1909-10-01 | 2024-12-18 | 22961 |
| Gage height, feet | 1973-10-01 | 2024-12-18 | 6014 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2015-09-22 | 2021-10-05 | 2121 |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2015-09-22 | 2021-10-04 | 2136 |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus -- (CYC) | 2015-11-09 | 2019-09-01 | 577 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- (YSI) | 2015-09-22 | 2021-10-05 | 2170 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- (HACH) | 2015-09-22 | 2025-06-17 | 3296 |
| Nitrate plus nitrite, water, unfiltered, pounds of nitrogen per day | 2015-09-22 | 2017-04-09 | 418 |
| Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen | 2015-09-22 | 2025-08-25 | 3435 |
| Monthly Statistics | |||
| Temperature, water, degrees Celsius | 2015-09 | 2021-10 | |
| Discharge, cubic feet per second | 1909-10 | 2024-12 | |
| Gage height, feet | 1973-10 | 2024-12 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2015-09 | 2021-10 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2015-09 | 2021-10 | |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus -- (CYC) | 2015-11 | 2019-09 | |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- (YSI) | 2015-09 | 2021-10 | |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- (HACH) | 2015-09 | 2025-06 | |
| Nitrate plus nitrite, water, unfiltered, pounds of nitrogen per day | 2015-09 | 2017-04 | |
| Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen | 2015-09 | 2025-08 | |
| Annual Statistics | |||
| Temperature, water, degrees Celsius | 2015 | 2022 | |
| Discharge, cubic feet per second | 1910 | 2025 | |
| Gage height, feet | 1974 | 2025 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2015 | 2022 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2015 | 2022 | |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus -- (CYC) | 2016 | 2019 | |
| 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 | |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- (HACH) | 2015 | 2025 | |
| Nitrate plus nitrite, water, unfiltered, pounds of nitrogen per day | 2015 | 2017 | |
| Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen | 2015 | 2025 | |
| Peak streamflow | 1908-05-11 | 2024-07-18 | 65 |
| Field measurements | 2009-03-17 | 2025-07-29 | 156 |
| Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) | 1970-10-05 | 2023-11-30 | 106 |
| Water-Year Summary | 2010 | 2024 | 15 |
| 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: 2025-11-09 07:45:04 EST
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