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| Data Type | Begin Date | End Date | Count |
|---|---|---|---|
| Current / Historical Observations (availability statement) | 2005-02-07 | 2025-09-08 | |
| Daily Data | |||
| Temperature, water, degrees Celsius | 2017-11-17 | 2025-09-08 | 8244 |
| Discharge, cubic feet per second | 2005-02-08 | 2025-09-08 | 7518 |
| Gage height, feet | 2005-02-08 | 2025-09-08 | 7253 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2017-11-17 | 2025-09-08 | 8133 |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2017-11-17 | 2025-09-08 | 8250 |
| pH, water, unfiltered, field, standard units | 2017-11-17 | 2025-09-08 | 7452 |
| Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll | 2017-11-17 | 2025-09-08 | 7980 |
| Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin | 2022-09-10 | 2025-09-08 | 2907 |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus | 2017-12-15 | 2025-09-08 | 6753 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2017-11-17 | 2025-03-09 | 7452 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2017-11-17 | 2025-09-08 | 7752 |
| Nitrate plus nitrite, water, unfiltered, pounds of nitrogen per day | 2022-09-10 | 2025-09-08 | 1037 |
| Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen | 2017-11-17 | 2025-09-08 | 8364 |
| Daily Statistics | |||
| Temperature, water, degrees Celsius | 2017-11-17 | 2024-06-05 | 2335 |
| Discharge, cubic feet per second | 2005-02-08 | 2025-06-30 | 7448 |
| Gage height, feet | 2005-02-08 | 2025-06-30 | 7183 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2017-11-17 | 2024-06-05 | 2296 |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2017-11-17 | 2024-06-05 | 2335 |
| Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll | 2017-11-17 | 2024-04-17 | 2206 |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus | 2017-12-15 | 2022-12-27 | 1492 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2017-11-17 | 2024-06-05 | 2218 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2017-11-17 | 2024-06-05 | 2175 |
| Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen | 2017-11-17 | 2024-06-05 | 2367 |
| Monthly Statistics | |||
| Temperature, water, degrees Celsius | 2017-11 | 2024-06 | |
| Discharge, cubic feet per second | 2005-02 | 2025-06 | |
| Gage height, feet | 2005-02 | 2025-06 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2017-11 | 2024-06 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2017-11 | 2024-06 | |
| Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll | 2017-11 | 2024-04 | |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus | 2017-12 | 2022-12 | |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2017-11 | 2024-06 | |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2017-11 | 2024-06 | |
| Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen | 2017-11 | 2024-06 | |
| Annual Statistics | |||
| Temperature, water, degrees Celsius | 2018 | 2024 | |
| Discharge, cubic feet per second | 2005 | 2025 | |
| Gage height, feet | 2005 | 2025 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2018 | 2024 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2018 | 2024 | |
| Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll | 2018 | 2024 | |
| Orthophosphate, water, in situ, milligrams per liter as phosphorus | 2018 | 2023 | |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2018 | 2024 | |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2018 | 2024 | |
| Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen | 2018 | 2024 | |
| Peak streamflow | 2005-02-14 | 2024-07-15 | 20 |
| Field measurements | 1996-07-18 | 2025-07-22 | 117 |
| Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) | 1981-03-26 | 2024-02-21 | 295 |
| Water-Year Summary | 2006 | 2024 | 17 |
| 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: 2025-09-09 08:03:48 EDT
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