Wastewater Treatment Water Use usgs.gov
2018830&ensp·&enspWastewater treatment. The major aim of wastewater treatment is to remove as much of the suspended solids as possible before the remaining water, called effluent, is discharged back to the environment. As solid material decays, it uses up oxygen, which is needed by the plants and animals living in the water.
Water Use USGS.gov201975Water Quality USGS.gov201975Reclaimed Wastewater20181127See more results