A channel or conduit that carries wastewater and storm-water runoff from the source to a treatment plant or receiving stream. "Sanitary" sewers carry household, industrial, and commercial waste. "Storm" sewers carry runoff from rain or snow. "Combined" sewers handle both.
SEWER
Meaning of SEWER in English
Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012