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| Data Type | Begin Date | End Date | Count |
|---|---|---|---|
| Current / Historical Observations (availability statement) | 2007-10-01 | 2025-11-27 | |
| Daily Data | |||
| Temperature, water, degrees Celsius | 1960-11-10 | 2020-12-02 | 48302 |
| Temperature, water, degrees Celsius -- ISM Test Bed | 2020-12-03 | 2025-11-27 | 5283 |
| Temperature, water, degrees Fahrenheit | 1963-10-01 | 1967-09-29 | 3482 |
| Gage height, feet -- ISM Test Bed | 2022-11-28 | 2025-11-26 | 1095 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 1963-11-08 | 2020-12-02 | 45822 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- ISM Test Bed | 2020-12-02 | 2025-11-27 | 5286 |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 1961-10-03 | 2020-12-02 | 45333 |
| Dissolved oxygen, water, unfiltered, milligrams per liter -- ISM Test Bed | 2020-12-02 | 2025-11-27 | 5283 |
| pH, water, unfiltered, field, standard units | 1967-10-01 | 2020-12-02 | 41754 |
| pH, water, unfiltered, field, standard units -- ISM Test Bed | 2020-12-02 | 2025-11-27 | 5276 |
| Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU) -- ISM Test Bed | 2022-11-28 | 2025-11-27 | 4290 |
| Dissolved organic matter relative fluorescence (fDOM), water, in situ, relative fluorescence units (RFU) -- ISM Test Bed | 2022-11-28 | 2025-11-27 | 3185 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2008-09-10 | 2011-12-12 | 3279 |
| Discharge, tidally filtered, cubic feet per second -- ISM Test Bed | 2022-11-28 | 2025-11-25 | 1090 |
| Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen -- ISM Test Bed | 2022-11-28 | 2025-11-27 | 2877 |
| Daily Statistics | |||
| Temperature, water, degrees Celsius -- ISM Test Bed | 2020-12-03 | 2025-04-22 | 1535 |
| Temperature, water, degrees Celsius | 1964-10-01 | 2020-12-02 | 15164 |
| Temperature, water, degrees Fahrenheit | 1964-10-01 | 1967-09-29 | 943 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- ISM Test Bed | 2020-12-02 | 2025-04-22 | 1536 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 1964-11-14 | 2020-12-02 | 14876 |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 1964-10-01 | 2020-12-02 | 14228 |
| Dissolved oxygen, water, unfiltered, milligrams per liter -- ISM Test Bed | 2020-12-02 | 2025-04-22 | 1535 |
| pH, water, unfiltered, field, standard units | 1967-10-01 | 2001-09-30 | 8779 |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2008-09-10 | 2011-12-12 | 1093 |
| Monthly Statistics | |||
| Temperature, water, degrees Celsius -- ISM Test Bed | 2020-12 | 2025-04 | |
| Temperature, water, degrees Celsius | 1964-10 | 2020-12 | |
| Temperature, water, degrees Fahrenheit | 1964-10 | 1967-09 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- ISM Test Bed | 2020-12 | 2025-04 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 1964-11 | 2020-12 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 1964-10 | 2020-12 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter -- ISM Test Bed | 2020-12 | 2025-04 | |
| pH, water, unfiltered, field, standard units | 1967-10 | 2001-09 | |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2008-09 | 2011-12 | |
| Annual Statistics | |||
| Temperature, water, degrees Celsius -- ISM Test Bed | 2021 | 2025 | |
| Temperature, water, degrees Celsius | 1965 | 2021 | |
| Temperature, water, degrees Fahrenheit | 1965 | 1967 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- ISM Test Bed | 2021 | 2025 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 1965 | 2021 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter | 1965 | 2021 | |
| Dissolved oxygen, water, unfiltered, milligrams per liter -- ISM Test Bed | 2021 | 2025 | |
| pH, water, unfiltered, field, standard units | 1968 | 2001 | |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) | 2008 | 2012 | |
| Field measurements | 2022-04-05 | 2022-04-26 | 137 |
| Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) | 1956-10-10 | 2024-02-21 | 1201 |
| 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: Pennsylvania Water Data Support Team
Page Last Modified: 2025-11-27 20:28:20 EST
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