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| Data Type | Begin Date | End Date | Count |
|---|---|---|---|
| Current / Historical Observations (availability statement) | 2015-08-14 | 2025-12-17 | |
| Daily Data | |||
| Temperature, water, degrees Celsius | 1974-04-11 | 2025-12-27 | 6217 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2015-08-14 | 2025-12-27 | 2960 |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2015-08-14 | 2025-12-27 | 2799 |
| Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll | 2024-10-29 | 2025-12-27 | 1056 |
| Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin | 2024-10-29 | 2025-12-27 | 1056 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2015-08-14 | 2025-12-27 | 2972 |
| Carbon dioxide, water, at the water surface, parts per million by volume of dissolved gases -- (Low CO2) | 2015-08-13 | 2017-05-24 | 1643 |
| Carbon dioxide, water, at the water surface, parts per million by volume of dissolved gases | 2024-11-26 | 2025-05-11 | 336 |
| Daily Statistics | |||
| Temperature, water, degrees Celsius | 1975-09-17 | 2025-11-16 | 1723 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2015-08-14 | 2025-11-16 | 944 |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2015-08-14 | 2025-11-16 | 890 |
| Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin | 2024-10-29 | 2025-11-16 | 325 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2015-08-14 | 2025-11-16 | 949 |
| Carbon dioxide, water, at the water surface, parts per million by volume of dissolved gases -- (Low CO2) | 2015-08-14 | 2017-05-24 | 543 |
| Carbon dioxide, water, at the water surface, parts per million by volume of dissolved gases | 2024-11-26 | 2025-04-27 | 107 |
| Monthly Statistics | |||
| Temperature, water, degrees Celsius | 1975-09 | 2025-11 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2015-08 | 2025-11 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2015-08 | 2025-11 | |
| Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin | 2024-10 | 2025-11 | |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2015-08 | 2025-11 | |
| Carbon dioxide, water, at the water surface, parts per million by volume of dissolved gases -- (Low CO2) | 2015-08 | 2017-05 | |
| Carbon dioxide, water, at the water surface, parts per million by volume of dissolved gases | 2024-11 | 2025-04 | |
| Annual Statistics | |||
| Temperature, water, degrees Celsius | 1975 | 2026 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2015 | 2026 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2015 | 2026 | |
| Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin | 2025 | 2026 | |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2015 | 2026 | |
| Carbon dioxide, water, at the water surface, parts per million by volume of dissolved gases -- (Low CO2) | 2015 | 2017 | |
| Carbon dioxide, water, at the water surface, parts per million by volume of dissolved gases | 2025 | 2025 | |
| Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) | 1978-03-27 | 2016-04-26 | 50 |
| Water-Year Summary | 2015 | 2025 | 4 |
| 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: 2025-12-28 13:10:37 EST
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