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| USGS 02054550 ROANOKE RIVER AT RTS 639/760 AT SALEM, VA |
| Data Type |
Begin Date |
End Date |
Count |
| Current / Historical Observations
(availability statement)
|
2020-10-14 | 2025-09-25 | |
| Daily Data |
| Temperature, water, degrees Celsius | 2020-10-14 | 2025-09-25 | 5376 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2020-10-14 | 2025-09-25 | 5280 |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2020-10-14 | 2025-09-25 | 5300 |
| pH, water, unfiltered, field, standard units | 2020-10-14 | 2025-09-25 | 5341 |
| Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE) | 2022-09-26 | 2025-09-25 | 3193 |
| Field measurements | 1941-10-23 | 1969-10-21 | 3 |
| Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) | 2020-11-02 | 2023-03-01 | 6 |
| Water-Year Summary | 2021 | 2024 | 4 |
| Revisions |
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