Author Archive

Designing Wetlands to Remove Drugs & Chemical Pollutants

Yale Environment 360: Rising high in the San Bernardino Mountains in Southern California, the Santa Ana River flows westward through cities and towns with a total population of nearly 5 million. Along the way, it receives so much sewage that 90 percent of its flow during the dry summer season is effluent, which Carina Storrs A series of ponds helps remove medical drugs and other water contaminants in the Prado Wetlands in Southern California. is cleaned again and again at several dozen wastewater treatment plants. Near...