A sewer system is a network of pipes, tunnels, and drains that carry wastewater and sewage away from homes and buildings to a treatment plant. It helps keep our environments clean and prevents pollution by safely disposing of waste. Full definition
There is also a third type of sewer system called a combined sewer. (www2.erie.gov)
The budget office found the payment could not offset a lower - than - expected number of public sewer system workers hired by the firm or moving to other county jobs. (newsday.com)
She said focusing on the state's crumbling roads, bridges and aging sewer systems would work better. (wxxinews.org)