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| Data Type | Begin Date | End Date | Count |
|---|---|---|---|
| Current / Historical Observations (availability statement) | 1990-08-30 | 2026-01-23 | |
| Daily Data | |||
| Discharge, cubic feet per second | 1981-10-01 | 2026-01-22 | 16177 |
| Gage height, feet | 1993-10-01 | 2026-01-22 | 11405 |
| Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll -- YSI | 2023-01-27 | 2026-01-22 | 3024 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2022-08-04 | 2026-01-22 | 3495 |
| Suspended sediment concentration, milligrams per liter | 1983-10-01 | 1993-09-29 | 1247 |
| Suspended sediment discharge, short tons per day | 1983-10-01 | 1993-09-29 | 1247 |
| Carbon dioxide, water, dissolved, in situ, milligrams per liter | 2022-03-25 | 2026-01-22 | 2274 |
| Daily Statistics | |||
| Discharge, cubic feet per second | 1981-10-01 | 2025-08-27 | 16037 |
| Gage height, feet | 1993-10-01 | 2025-08-27 | 11261 |
| Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll -- YSI | 2024-08-09 | 2024-11-06 | 88 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2022-08-04 | 2024-11-06 | 736 |
| Suspended sediment concentration, milligrams per liter | 1983-10-01 | 1993-09-29 | 1247 |
| Suspended sediment discharge, short tons per day | 1983-10-01 | 1993-09-29 | 1247 |
| Carbon dioxide, water, dissolved, in situ, milligrams per liter | 2022-03-25 | 2024-12-03 | 460 |
| Monthly Statistics | |||
| Discharge, cubic feet per second | 1981-10 | 2025-08 | |
| Gage height, feet | 1993-10 | 2025-08 | |
| Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll -- YSI | 2024-08 | 2024-11 | |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2022-08 | 2024-11 | |
| Suspended sediment concentration, milligrams per liter | 1983-10 | 1993-09 | |
| Suspended sediment discharge, short tons per day | 1983-10 | 1993-09 | |
| Carbon dioxide, water, dissolved, in situ, milligrams per liter | 2022-03 | 2024-12 | |
| Annual Statistics | |||
| Discharge, cubic feet per second | 1982 | 2025 | |
| Gage height, feet | 1994 | 2025 | |
| Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll -- YSI | 2024 | 2025 | |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2022 | 2025 | |
| Suspended sediment concentration, milligrams per liter | 1984 | 1993 | |
| Suspended sediment discharge, short tons per day | 1984 | 1993 | |
| Carbon dioxide, water, dissolved, in situ, milligrams per liter | 2022 | 2025 | |
| Peak streamflow | 1982-03-22 | 2024-01-28 | 43 |
| Field measurements | 1981-11-10 | 2025-11-19 | 294 |
| Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) | 1983-10-25 | 2024-02-08 | 104 |
| 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: 2026-01-23 16:55:10 EST
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