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| Data Type | Begin Date | End Date | Count |
|---|---|---|---|
| Current / Historical Observations (availability statement) | 2007-10-01 | 2025-12-01 | |
| Daily Data | |||
| Temperature, water, degrees Celsius | 2015-10-24 | 2025-11-30 | 7338 |
| Discharge, cubic feet per second | 1916-12-06 | 2025-11-30 | 36977 |
| Gage height, feet | 1995-10-02 | 2025-11-30 | 10830 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2015-11-06 | 2025-11-30 | 7089 |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2015-10-24 | 2025-11-30 | 7275 |
| pH, water, unfiltered, field, standard units | 2015-10-24 | 2025-11-30 | 6810 |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus | 2015-10-23 | 2021-10-05 | 1341 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- (YSI) | 2015-10-24 | 2021-10-05 | 5401 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- (HACH) | 2015-10-22 | 2025-11-30 | 9606 |
| Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen | 2015-10-22 | 2025-11-30 | 9618 |
| Daily Statistics | |||
| Temperature, water, degrees Celsius | 2015-10-24 | 2025-04-29 | 2231 |
| Discharge, cubic feet per second | 1916-12-06 | 2024-12-05 | 36621 |
| Gage height, feet | 1995-10-02 | 2024-12-05 | 10473 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2015-11-06 | 2025-04-29 | 2200 |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2015-10-24 | 2025-04-29 | 2212 |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus | 2015-10-23 | 2019-07-22 | 445 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- (YSI) | 2015-10-24 | 2021-10-05 | 1795 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- (HACH) | 2015-10-22 | 2024-11-21 | 2868 |
| Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen | 2015-10-22 | 2025-04-29 | 2998 |
| Monthly Statistics | |||
| Temperature, water, degrees Celsius | 2015-10 | 2025-04 | |
| Discharge, cubic feet per second | 1916-12 | 2024-12 | |
| Gage height, feet | 1995-10 | 2024-12 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2015-11 | 2025-04 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2015-10 | 2025-04 | |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus | 2015-10 | 2019-07 | |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- (YSI) | 2015-10 | 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) | 2015-10 | 2024-11 | |
| Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen | 2015-10 | 2025-04 | |
| Annual Statistics | |||
| Temperature, water, degrees Celsius | 2016 | 2025 | |
| Discharge, cubic feet per second | 1917 | 2025 | |
| Gage height, feet | 1996 | 2025 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2016 | 2025 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2016 | 2025 | |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus | 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) | 2016 | 2022 | |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- (HACH) | 2016 | 2025 | |
| Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen | 2016 | 2025 | |
| Peak streamflow | 1916-02-02 | 2024-05-13 | 97 |
| Field measurements | 2001-01-29 | 2025-11-20 | 151 |
| Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) | 2015-10-21 | 2024-01-24 | 111 |
| Water-Year Summary | 2006 | 2024 | 19 |
| 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: 2025-12-01 11:47:28 EST
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