Water Quality Status and Trends in the United States

摘要: Information about water quality is vital to ensure long-term availability and sustainability of that safe for drinking recreation suitable industry, irrigation, fish, wildlife. Protecting enhancing a national priority, requiring information on water-quality status trends, progress toward clean standards, continuing problems, emerging challenges. In this brief review, we discuss U.S. Geological Survey assessments nutrient pollution, pesticides, mixtures organic wastewater compounds (known as contaminants), sediment-bound contaminants (like lead DDT), mercury, among other contaminants. Additionally, aspects land use current challenges associated with climate change are presented. Climate must be considered, managers continue their efforts maintain sufficient good humans the ecosystem.