USGS Potomac River Watershed Accumulated Wastewater Viewer
Detailed Description
This application displays
- Locations of NPDES (National Pollutant Discharge Elimination Systems) wastewater outfalls with reported discharge.
- Accumulated wastewater as a percentage of measured streamflow from U.S. Geological Survey (USGS) streamgages.
- Model predictions of perfluoroalkyl and polyfluoroalkyl substances (PFAS) loads and concentrations from wastewater.
- Model predictions of pesticide loads and concentrations from wastewater.
- USGS streamgages without upstream wastewater discharges.
Sources/Usage
Public Domain.
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Navigating PFAS Contamination: Insights from the USGS Potomac River Watershed Study
The Potomac River is a major watershed in the eastern United States that serves as a crucial water supply for millions of people. USGS researchers conducted a comprehensive investigation to identify the contributions of municipal and industrial wastewater treatment plant effluent to the levels of per-and polyfluoroalkyl substances (PFAS) in the Potomac River. This study included measuring PFAS...
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The Proxies Project is a series of studies to improve our understanding of water contaminants and water quality hazards. These studies develop models and technical approaches for estimating concentrations and assessing risk associated with: - harmful algal blooms (HABs) - per- and polyfluoroalkyl substances (PFAS) - 12 elements of concern (EoC)