下げ水すい処しょ理り施し設せつ

noun

sewage treatment facility; sewage treatment plant

Refers to a facility where sewage is treated and purified. Often used in technical, municipal, or environmental contexts.

• この町まちには新あたらしい下げ水すい処しょ理り施し設せつが建けん設せつされた。

  A new sewage treatment facility was built in this town.