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The National Water Quality Network (NWQN) for Rivers and Streams includes 110 surface-water river and stream sites monitored by the U.S. Geological Survey (USGS) National Water Quality Program, National Water-Quality Assessment (NAWQA) Project. The NWQN includes 20 large river coastal sites, 41 large river inland sites, 30 wadeable stream reference sites, 10 wadeable stream urban sites, and 9 wadeable stream agricultural sites. In addition to the 110 NWQN sites, 36 sites from the USGS Cooperative Water Program are also included in this data release. This data release provides streamflow, nutrient, pesticide and sediment data collected and analyzed by NWQN and other historical water-quality networks from 1950-2022....
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The National Water Quality Network (NWQN) for Rivers and Streams includes 110 surface-water river and stream sites monitored by the U.S. Geological Survey (USGS) National Water Quality Program. This data release provides streamflow, nutrient, and sediment data collected and analyzed by NWQN for sites used to represent contributions to the Gulf of Mexico from 1968-2021. This dataset includes daily, monthly, and annual summaries of streamflow conditions, discrete water-quality concentrations, annual water-quality loads, and information on water-quality trends. Data from this release will be presented on the USGS ScienceBase platform.
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The National Water Quality Network (NWQN) for Rivers and Streams includes 110 surface-water river and stream sites monitored by the U.S. Geological Survey (USGS) National Water Quality Program, National Water-Quality Assessment (NAWQA) Project. The NWQN includes 20 large river coastal sites, 41 large river inland sites, 30 wadeable stream reference sites, 10 wadeable stream urban sites, and 9 wadeable stream agricultural sites. In addition to the 110 NWQN sites, 2 large inland river monitoring sites from the USGS Cooperative Water Program are also included in this data release. This data release provides streamflow, nutrient, pesticide and sediment data collected and analyzed by NWQN and other historical water-quality...
    map background search result map search result map Nutrient and pesticide data collected from the USGS National Water Quality Network and previous networks, 1963-2019 Nutrient loads to the Gulf of Mexico produced by the USGS National Water Quality Network, 1968-2021 Nutrient and pesticide data collected from the USGS National Water Quality Network and previous networks, 1950-2022 Nutrient and pesticide data collected from the USGS National Water Quality Network and previous networks, 1950-2022 Nutrient and pesticide data collected from the USGS National Water Quality Network and previous networks, 1963-2019 Nutrient loads to the Gulf of Mexico produced by the USGS National Water Quality Network, 1968-2021