Sewage refers to dirty water or waste that comes from toilets, sinks, showers, and drains in our homes and cities. It is carried away through underground pipes and treated before being released back into the environment. Full definition
I want stronger state oversight and funding of sewage treatment plants, including requirement that the plants remove nitrogen and pharmaceuticals. (howiehawkins.org)
More than 80 % of sewage in developing countries is discharged untreated into lakes, rivers and coastal areas. (treehugger.com)
This can take up to 70 years for municipal sewage systems and up to 30 years for baths in rental apartments. (sciencedaily.com)