noun
sewage treatment; sewage disposal
Technical and administrative term for the process of treating wastewater. Often used in environmental, municipal, and engineering contexts.
この地域では汚水処理施設の整備が急務だ。
In this area, the development of sewage treatment facilities is an urgent task.
汚水処理の
Sewage treatment technology is advancing year by year.
下水処理 is a broader term for general wastewater treatment, while 汚水処理 often specifically refers to the treatment of sewage or foul water.
Compound of 汚水 (osui, 'sewage, dirty water') and 処理 (shori, 'treatment, processing').