- 污水坑 wūshuǐkēng cesspoolcesspool; cesspit; mudhole
- 污水处理 wūshuǐchǔlǐ sewage treatmentsewage treatment; the process of removing contaminants from wastewater
- 污水处理厂 wūshuǐchǔlǐchǎng sewage treatment planta facility where wastewater is treated before being released or reused
- 污水管 wūshuǐguǎn sewage pipesewage pipe; drainpipe
- 生活污水 shēnghuówūshuǐ domestic sewagesewage produced by households rather than industrial or agricultural activities
