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| Data Type | Begin Date | End Date | Count |
|---|---|---|---|
| Current / Historical Observations (availability statement) | 2007-10-01 | 2025-11-17 | |
| Daily Data | |||
| Temperature, water, degrees Celsius -- Downstream Lock Side | 2011-02-12 | 2015-11-02 | 3639 |
| Temperature, water, degrees Celsius -- Upstream Lock Side | 2011-02-10 | 2015-11-02 | 3672 |
| Temperature, water, degrees Celsius -- Downstream Hydro Side | 2011-02-09 | 2025-11-16 | 9750 |
| Temperature, water, degrees Celsius -- Upstream Hydro Side | 2011-02-09 | 2025-11-16 | 10536 |
| Discharge, cubic feet per second | 1970-05-01 | 2025-11-17 | 20290 |
| Gage height, feet | 1989-09-30 | 2025-11-16 | 5107 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- Downstream Lock Side | 2011-02-12 | 2015-11-02 | 3639 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- Upstream Lock Side | 2011-02-10 | 2015-11-02 | 3672 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- Downstream Hydro Side | 2011-02-09 | 2025-11-16 | 9858 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- Upstream Hydro Side | 2011-02-09 | 2025-11-16 | 10483 |
| Dissolved oxygen, water, unfiltered, milligrams per liter -- Downstream Lock Side | 2011-02-12 | 2015-11-02 | 3426 |
| Dissolved oxygen, water, unfiltered, milligrams per liter -- Upstream Lock Side | 2011-02-10 | 2015-11-02 | 3348 |
| Dissolved oxygen, water, unfiltered, milligrams per liter -- Downstream Hydro Side | 2011-02-09 | 2025-11-16 | 10152 |
| Dissolved oxygen, water, unfiltered, milligrams per liter -- Upstream Hydro Side | 2011-02-09 | 2025-11-16 | 9948 |
| pH, water, unfiltered, field, standard units -- Upstream Hydro Side | 2011-02-09 | 2025-11-16 | 9962 |
| Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU) | 2020-07-16 | 2020-11-01 | 218 |
| Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll | 2020-07-16 | 2020-11-01 | 327 |
| Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin | 2020-07-16 | 2020-11-01 | 327 |
| Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU) | 2020-07-16 | 2020-11-01 | 327 |
| Daily Statistics | |||
| Temperature, water, degrees Celsius -- Downstream Lock Side | 2011-02-12 | 2015-11-02 | 1213 |
| Temperature, water, degrees Celsius -- Upstream Lock Side | 2011-02-10 | 2015-11-02 | 1224 |
| Temperature, water, degrees Celsius -- Downstream Hydro Side | 2011-02-09 | 2024-11-03 | 3014 |
| Temperature, water, degrees Celsius -- Upstream Hydro Side | 2011-02-09 | 2024-11-03 | 3276 |
| Discharge, cubic feet per second | 1970-05-01 | 2025-02-18 | 20018 |
| Gage height, feet | 1989-09-30 | 2025-08-25 | 5024 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- Downstream Lock Side | 2011-02-12 | 2015-11-02 | 1213 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- Upstream Lock Side | 2011-02-10 | 2015-11-02 | 1224 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- Downstream Hydro Side | 2011-02-09 | 2024-11-03 | 3042 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- Upstream Hydro Side | 2011-02-09 | 2024-11-03 | 3255 |
| Dissolved oxygen, water, unfiltered, milligrams per liter -- Downstream Lock Side | 2011-02-12 | 2015-11-02 | 1142 |
| Dissolved oxygen, water, unfiltered, milligrams per liter -- Upstream Lock Side | 2011-02-10 | 2015-11-02 | 1116 |
| Dissolved oxygen, water, unfiltered, milligrams per liter -- Downstream Hydro Side | 2011-02-09 | 2024-11-03 | 3146 |
| Dissolved oxygen, water, unfiltered, milligrams per liter -- Upstream Hydro Side | 2011-02-09 | 2024-11-03 | 3087 |
| Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll | 2020-07-16 | 2020-11-01 | 109 |
| Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin | 2020-07-16 | 2020-11-01 | 109 |
| Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU) | 2020-07-16 | 2020-11-01 | 109 |
| Monthly Statistics | |||
| Temperature, water, degrees Celsius -- Downstream Lock Side | 2011-02 | 2015-11 | |
| Temperature, water, degrees Celsius -- Upstream Lock Side | 2011-02 | 2015-11 | |
| Temperature, water, degrees Celsius -- Downstream Hydro Side | 2011-02 | 2024-11 | |
| Temperature, water, degrees Celsius -- Upstream Hydro Side | 2011-02 | 2024-11 | |
| Discharge, cubic feet per second | 1970-05 | 2025-02 | |
| Gage height, feet | 1989-09 | 2025-08 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- Downstream Lock Side | 2011-02 | 2015-11 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- Upstream Lock Side | 2011-02 | 2015-11 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- Downstream Hydro Side | 2011-02 | 2024-11 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- Upstream Hydro Side | 2011-02 | 2024-11 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter -- Downstream Lock Side | 2011-02 | 2015-11 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter -- Upstream Lock Side | 2011-02 | 2015-11 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter -- Downstream Hydro Side | 2011-02 | 2024-11 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter -- Upstream Hydro Side | 2011-02 | 2024-11 | |
| Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll | 2020-07 | 2020-11 | |
| Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin | 2020-07 | 2020-11 | |
| Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU) | 2020-07 | 2020-11 | |
| Annual Statistics | |||
| Temperature, water, degrees Celsius -- Downstream Lock Side | 2011 | 2016 | |
| Temperature, water, degrees Celsius -- Upstream Lock Side | 2011 | 2016 | |
| Temperature, water, degrees Celsius -- Downstream Hydro Side | 2011 | 2025 | |
| Temperature, water, degrees Celsius -- Upstream Hydro Side | 2011 | 2025 | |
| Discharge, cubic feet per second | 1970 | 2025 | |
| Gage height, feet | 1989 | 2025 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- Downstream Lock Side | 2011 | 2016 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- Upstream Lock Side | 2011 | 2016 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- Downstream Hydro Side | 2011 | 2025 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- Upstream Hydro Side | 2011 | 2025 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter -- Downstream Lock Side | 2011 | 2016 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter -- Upstream Lock Side | 2011 | 2016 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter -- Downstream Hydro Side | 2011 | 2025 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter -- Upstream Hydro Side | 2011 | 2025 | |
| Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll | 2020 | 2021 | |
| Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin | 2020 | 2021 | |
| Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU) | 2020 | 2021 | |
| Peak streamflow | 1971-02-23 | 2020-02-16 | 49 |
| Field measurements | 1963-01-16 | 2025-08-26 | 231 |
| Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) | 1959-10-01 | 2022-09-28 | 796 |
| 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: Kentucky Water Data Support Team
Page Last Modified: 2025-11-17 02:50:05 EST
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