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| Data Type | Begin Date | End Date | Count |
|---|---|---|---|
| Current / Historical Observations (availability statement) | 2012-10-01 | 2026-01-21 | |
| Daily Data | |||
| Temperature, water, degrees Celsius -- Upstream Location | 2012-06-08 | 2021-09-30 | 9987 |
| Temperature, water, degrees Celsius | 2021-05-25 | 2026-01-20 | 5055 |
| Discharge, cubic feet per second | 2012-10-01 | 2026-01-20 | 4851 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- Upstream Location | 2012-06-08 | 2021-09-30 | 9918 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2021-05-25 | 2026-01-20 | 5025 |
| Dissolved oxygen, water, unfiltered, milligrams per liter -- Upstream Location | 2012-06-08 | 2021-09-30 | 9870 |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2021-05-25 | 2026-01-20 | 5034 |
| pH, water, unfiltered, field, standard units -- Upstream Location | 2012-06-08 | 2021-09-30 | 9798 |
| pH, water, unfiltered, field, standard units | 2021-05-25 | 2026-01-20 | 5043 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- Upstream Location | 2012-06-08 | 2021-09-30 | 9387 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2021-05-25 | 2026-01-20 | 4905 |
| Water velocity reading from field sensor, feet per second -- 1500 kHz | 2014-10-08 | 2016-10-31 | 1980 |
| Water velocity reading from field sensor, feet per second -- 3000 kHz | 2014-10-08 | 2016-10-31 | 1950 |
| Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen | 2015-11-24 | 2019-02-23 | 2523 |
| Daily Statistics | |||
| Temperature, water, degrees Celsius -- Upstream Location | 2012-06-08 | 2021-09-30 | 3329 |
| Temperature, water, degrees Celsius | 2021-05-25 | 2025-11-13 | 1624 |
| Discharge, cubic feet per second | 2012-10-01 | 2024-11-17 | 4431 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- Upstream Location | 2012-06-08 | 2021-09-30 | 3306 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2021-05-25 | 2025-11-13 | 1614 |
| Dissolved oxygen, water, unfiltered, milligrams per liter -- Upstream Location | 2012-06-08 | 2021-09-30 | 3290 |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2021-05-25 | 2025-11-13 | 1617 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- Upstream Location | 2012-06-08 | 2021-09-30 | 3129 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2021-05-25 | 2025-11-13 | 1574 |
| Water velocity reading from field sensor, feet per second -- 1500 kHz | 2014-10-08 | 2016-10-31 | 660 |
| Water velocity reading from field sensor, feet per second -- 3000 kHz | 2014-10-08 | 2016-10-31 | 650 |
| Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen | 2015-11-24 | 2019-02-23 | 841 |
| Monthly Statistics | |||
| Temperature, water, degrees Celsius -- Upstream Location | 2012-06 | 2021-09 | |
| Temperature, water, degrees Celsius | 2021-05 | 2025-11 | |
| Discharge, cubic feet per second | 2012-10 | 2024-11 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- Upstream Location | 2012-06 | 2021-09 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2021-05 | 2025-11 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter -- Upstream Location | 2012-06 | 2021-09 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2021-05 | 2025-11 | |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- Upstream Location | 2012-06 | 2021-09 | |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2021-05 | 2025-11 | |
| Water velocity reading from field sensor, feet per second -- 1500 kHz | 2014-10 | 2016-10 | |
| Water velocity reading from field sensor, feet per second -- 3000 kHz | 2014-10 | 2016-10 | |
| Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen | 2015-11 | 2019-02 | |
| Annual Statistics | |||
| Temperature, water, degrees Celsius -- Upstream Location | 2012 | 2021 | |
| Temperature, water, degrees Celsius | 2021 | 2026 | |
| Discharge, cubic feet per second | 2013 | 2025 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- Upstream Location | 2012 | 2021 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2021 | 2026 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter -- Upstream Location | 2012 | 2021 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2021 | 2026 | |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) -- Upstream Location | 2012 | 2021 | |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2021 | 2026 | |
| Water velocity reading from field sensor, feet per second -- 1500 kHz | 2015 | 2017 | |
| Water velocity reading from field sensor, feet per second -- 3000 kHz | 2015 | 2017 | |
| Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen | 2016 | 2019 | |
| Peak streamflow | 2012-10-30 | 2024-01-09 | 12 |
| Field measurements | 2007-04-17 | 2026-01-07 | 123 |
| Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) | 1999-02-18 | 2024-02-13 | 918 |
| Water-Year Summary | 2007 | 2025 | 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: Maryland Water Data Support Team
Page Last Modified: 2026-01-21 23:44:04 EST
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