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Found 320 dataset(s) matching "Quality control, quality assurance".
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This dataset contains the lithologic class and topographic position index information and quality-assurance and quality-control data not available in the online National Water Information System...
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This dataset contains the lithologic class and topographic position index information and quality-assurance and quality-control data not available in the online National Water Information System...
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The watershed data management (WDM) database SC21.WDM is updated with the processed data for the period October 1, 2020, through September 30, 2021. The precipitation data are collected from a...
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The watershed data management (WDM) database SC20.WDM is updated with the processed data for the period October 1, 2019, through September 30, 2020. The precipitation data are collected from a...
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Watershed Data Management (WDM) database file WBDR20.WDM is updated with the quality-assured and quality-controlled meteorological and hydrologic data for the period October 1, 2020, through...
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The Watershed Data Management (WDM) database file WBDR17.WDM is updated with the quality-assured and quality-controlled meteorological and hydrologic data for the period October 1, 2017, through...
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This data release is the update of the watershed data management (WDM) database file WBDR17.WDM, with the processed data for the period October 1, 2016, through September 30, 2017. The WDM...
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The U.S. Geological Survey (USGS), in cooperation with DuPage County Stormwater Management Department, developed a watershed data management (WDM) database of hourly meteorological and hydrologic...
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Watershed Data Management (WDM; Flynn and others, 1995) database file WBDR13.WDM is updated with the quality-assured and quality-controlled meteorological and hydrologic data for the period...
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The watershed data management (WDM) database SC18.WDM is updated with the processed data for the period October 1, 2018, through September 30, 2019. The precipitation data are collected from a...
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The watershed data management (WDM) database SC16.WDM is updated with the processed data for the period October 1, 2016, through September 30, 2017, and renamed as SC17.WDM. The precipitation data...
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The U.S. Geological Survey, in cooperation with the Minnesota Pollution Control Agency, conducted a study to determine the occurrence of micropollutants in: (1) shallow groundwater near large...
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This U.S. Geological Survey Data Release provides surface-water and bed sediment quality data at the Bronx River, New York, 2019. The data were collected with support from the Urban Waters Federal...
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This U.S. Geological Survey Data Release provides surface-water and bed sediment quality data at the Bronx River, New York, 2019. The data were collected with support from the Urban Waters Federal...
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Samples for per- and polyfluoroalkyl substances (PFAS) were collected from 10 domestic wells to assess the extent to which PFAS is coming from the groundwater aquifer or from another source within...
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Watershed Data Management (WDM) database file WBDR19.WDM is updated with the quality-assured and quality-controlled meteorological and hydrologic data for the period October 1, 2019, through...
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These data were collected to understand the occurrence of per- and polyfluoroalkyl substances (PFAS) in drinking water samples at selected public water systems in West Virginia identified to have...
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In September 2022, the U.S. Geological Survey, in cooperation with the U.S. Environmental Protection Agency, collected groundwater-level elevation data and water-quality samples from monitoring...
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These data were collected in cooperation with the Virginia Department of Environmental Quality (VADEQ) to document the occurrence of Per- and Polyfluoroalkyl Substances (PFAS) in streams and...
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High Frequency (HF) Radar is a real-time ocean surface current mapping instrument with the intended purpose of observing surface currents over the horizon out to a range of about 200km. The radial...
