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| Data Type | Begin Date | End Date | Count |
|---|---|---|---|
| Current / Historical Observations (availability statement) | 1990-10-01 | 2025-12-11 | |
| Daily Data | |||
| Temperature, water, degrees Celsius | 1988-10-01 | 2012-05-09 | 1952 |
| Temperature, water, degrees Celsius | 2023-04-21 | 2025-12-10 | 2885 |
| Discharge, cubic feet per second | 1948-01-01 | 2025-12-09 | 28468 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2010-10-01 | 2012-05-09 | 1581 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2023-04-21 | 2025-12-10 | 2828 |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2023-04-21 | 2025-12-10 | 2886 |
| pH, water, unfiltered, field, standard units | 2023-04-21 | 2025-12-10 | 2885 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2023-04-21 | 2025-12-10 | 2819 |
| Suspended sediment concentration, milligrams per liter | 1980-10-01 | 1991-09-29 | 4016 |
| Suspended sediment discharge, short tons per day | 1980-10-01 | 1991-09-29 | 4016 |
| Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen | 2023-08-02 | 2025-12-10 | 2558 |
| Daily Statistics | |||
| Temperature, water, degrees Celsius | 2010-10-01 | 2012-05-09 | 529 |
| Temperature, water, degrees Celsius | 2023-04-21 | 2025-05-15 | 754 |
| Discharge, cubic feet per second | 1948-01-01 | 2025-08-05 | 28342 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2010-10-01 | 2012-05-09 | 527 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2023-04-21 | 2025-05-15 | 740 |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2023-04-21 | 2025-05-15 | 754 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2023-04-21 | 2025-05-15 | 732 |
| Suspended sediment concentration, milligrams per liter | 1980-10-01 | 1991-09-29 | 4016 |
| Suspended sediment discharge, short tons per day | 1980-10-01 | 1991-09-29 | 4016 |
| Monthly Statistics | |||
| Temperature, water, degrees Celsius | 2010-10 | 2012-05 | |
| Temperature, water, degrees Celsius | 2023-04 | 2025-05 | |
| Discharge, cubic feet per second | 1948-01 | 2025-08 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2010-10 | 2012-05 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2023-04 | 2025-05 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2023-04 | 2025-05 | |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2023-04 | 2025-05 | |
| Suspended sediment concentration, milligrams per liter | 1980-10 | 1991-09 | |
| Suspended sediment discharge, short tons per day | 1980-10 | 1991-09 | |
| Annual Statistics | |||
| Temperature, water, degrees Celsius | 2011 | 2012 | |
| Temperature, water, degrees Celsius | 2023 | 2025 | |
| Discharge, cubic feet per second | 1948 | 2025 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2011 | 2012 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2023 | 2025 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 2023 | 2025 | |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2023 | 2025 | |
| Suspended sediment concentration, milligrams per liter | 1981 | 1991 | |
| Suspended sediment discharge, short tons per day | 1981 | 1991 | |
| Peak streamflow | 1948-01-14 | 2023-12-19 | 77 |
| Field measurements | 1948-01-15 | 2025-11-18 | 963 |
| Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) | 1964-06-11 | 2024-02-14 | 1512 |
| 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: Maryland Water Data Support Team
Page Last Modified: 2025-12-11 02:23:12 EST
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