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| Data Type | Begin Date | End Date | Count |
|---|---|---|---|
| Current / Historical Observations (availability statement) | 1987-10-01 | 2026-01-24 | |
| Daily Data | |||
| Temperature, water, degrees Celsius | 2021-11-24 | 2026-01-19 | 3141 |
| Discharge, cubic feet per second | 1898-11-20 | 2026-01-23 | 37987 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2021-11-24 | 2026-01-19 | 901 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2021-11-24 | 2026-01-19 | 1802 |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2021-11-24 | 2026-01-19 | 2985 |
| pH, water, unfiltered, field, standard units | 2021-11-24 | 2026-01-19 | 2072 |
| pH, water, unfiltered, field, standard units | 2021-11-24 | 2026-01-19 | 1036 |
| Phosphorus, water, unfiltered, milligrams per liter as phosphorus | 1987-10-01 | 1993-09-30 | 2192 |
| Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU) | 2022-04-21 | 2026-01-19 | 1968 |
| Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll | 2024-11-08 | 2026-01-19 | 816 |
| Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin | 2024-11-08 | 2026-01-19 | 816 |
| Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU) | 2022-04-21 | 2026-01-19 | 1986 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2021-11-24 | 2026-01-19 | 3168 |
| Suspended sediment concentration, milligrams per liter | 1950-04-12 | 2003-09-29 | 18274 |
| Suspended sediment discharge, short tons per day | 1950-04-12 | 2003-09-29 | 18430 |
| Phosphorus, water, unfiltered, short tons of phosphorus per day | 1987-10-01 | 1993-09-30 | 2192 |
| Daily Statistics | |||
| Temperature, water, degrees Celsius | 2021-11-24 | 2025-05-11 | 910 |
| Discharge, cubic feet per second | 1898-11-20 | 2024-11-12 | 37553 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2021-11-24 | 2025-08-27 | 860 |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2021-11-24 | 2025-05-11 | 871 |
| Phosphorus, water, unfiltered, milligrams per liter as phosphorus | 1987-10-01 | 1993-09-30 | 2192 |
| Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU) | 2022-04-21 | 2023-11-29 | 279 |
| Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU) | 2022-04-21 | 2024-10-10 | 388 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2021-11-24 | 2025-05-11 | 922 |
| Suspended sediment concentration, milligrams per liter | 1950-04-12 | 2003-09-29 | 18274 |
| Suspended sediment discharge, short tons per day | 1950-04-12 | 2003-09-29 | 18430 |
| Phosphorus, water, unfiltered, short tons of phosphorus per day | 1987-10-01 | 1993-09-30 | 2192 |
| Monthly Statistics | |||
| Temperature, water, degrees Celsius | 2021-11 | 2025-05 | |
| Discharge, cubic feet per second | 1898-11 | 2024-11 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2021-11 | 2025-08 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2021-11 | 2025-05 | |
| Phosphorus, water, unfiltered, milligrams per liter as phosphorus | 1987-10 | 1993-09 | |
| Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU) | 2022-04 | 2023-11 | |
| Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU) | 2022-04 | 2024-10 | |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2021-11 | 2025-05 | |
| Suspended sediment concentration, milligrams per liter | 1950-04 | 2003-09 | |
| Suspended sediment discharge, short tons per day | 1950-04 | 2003-09 | |
| Phosphorus, water, unfiltered, short tons of phosphorus per day | 1987-10 | 1993-09 | |
| Annual Statistics | |||
| Temperature, water, degrees Celsius | 2022 | 2025 | |
| Discharge, cubic feet per second | 1899 | 2025 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2022 | 2025 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2022 | 2025 | |
| Phosphorus, water, unfiltered, milligrams per liter as phosphorus | 1988 | 1993 | |
| Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU) | 2022 | 2024 | |
| Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU) | 2022 | 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 | 1950 | 2003 | |
| Suspended sediment discharge, short tons per day | 1950 | 2003 | |
| Phosphorus, water, unfiltered, short tons of phosphorus per day | 1988 | 1993 | |
| Peak streamflow | 1900-03-11 | 2024-04-04 | 104 |
| Field measurements | 1990-04-18 | 2025-11-19 | 178 |
| Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) | 1957-01-25 | 2024-02-07 | 6860 |
| Water-Year Summary | 2006 | 2025 | 20 |
| Revisions | Loading... | ||
U.S. Department of the Interior |
U.S. Geological Survey
Title: NWIS Site Information for USA: Site Inventory
URL:
Page Contact Information: Ohio Water Data Support Team
Page Last Modified: 2026-01-24 03:54:20 EST
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