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Location Folder Show Tree ROOT _Users Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Types Citation (1) Map Service (1) OGC WFS Layer (1) OGC WMS Layer (1) OGC WMS Service (1) Contacts Chintamani Kandel Laura A. De Cicco Melissa L. Riskin Virginia and West Virginia Water Science Center Larry B Barber More... Tag Types Theme (2) USGS Scientific Topic Keyword (2) Place (2) Harvest Set (2) Label (1) Tag Schemes None (2) Common geographic areas (1) Marine Realms Information Bank (MRIB) keywords (1) USGS Thesaurus (1) View Results as: JSON ATOM CSV Browse Folder

Shenandoah River Accumulated Wastewater Ratio Incedental wastewater reuse from streams that receive discharges from Wastewater Treatment Facilities (WWTF) has the potential to be a significant contributor of Endocrine Disrupting Chemicals. An ArcGIS model of WWTFs, NHDPlus Version 2 stream networks (USGS and EPA 2012), and gage stations across the Shenandoah River watershed was created to calculate accumulated wastewater in percent of streamflow (ACCWW%) and Predicted Environmental Concentrations (PECs) of select constituents. Virginia and West Virginia Pollutant Discharge Elimination System (VPDES, WVPDES) discharge facilities, outfall locations, and stream gages were spatially joined to the nearest river segment. Wastewater inputs from outfall locations were... Categories: Data Release - Revised; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Aquatic Biology, Ecology, Environmental Health, Shenandoah River, USGS Science Data Catalog (SDC), All tags... Virginia, Water Quality, Water Resources, inland waterways, wastewater discharge, water, wastewater, hydrology, streamflow, Fewer tags Water-quality and streamflow datasets used in the Weighted Regressions on Time, Discharge, and Season (WRTDS) models to determine trends in the Nation’s rivers and streams, 1972-2012 In 1991, the U.S. Geological Survey (USGS) began a study of more than 50 major river basins across the Nation as part of the National Water-Quality Assessment (NAWQA) project of the National Water-Quality Program. One of the major goals of the NAWQA project is to determine how water-quality conditions change over time. To support that goal, long-term consistent and comparable monitoring has been conducted on streams and rivers throughout the Nation. Outside of the NAWQA project, the USGS and other Federal, State, and local agencies also have collected long-term water-quality data to support their own assessments of changing water-quality conditions. Data from these multiple sources have been combined to support... Categories: Data Release - Revised; Types: Citation; Tags: National Water Quality Program, Puerto Rico, USGS Science Data Catalog (SDC), United States, WRTDS, All tags... Water Quality, Water Resources, carbon, discharge, nutrients, rivers, salinity, sediment, trends, usgsnawqaswtrends, weighted regression, Fewer tags