effluent

noun
UK /ˈefluənt/
US /ˈefluənt/

Dirty water that flows out of a factory or sewer.

The factory must clean its effluent before it goes into the river.


OTHER MEANINGS

2. Liquid waste that flows out of a place.

The effluent from the farm flowed into the nearby stream.

3. Something that flows out or outward.

The effluent of lava from the volcano was slow but steady.

4. A stream or river that flows out of a larger body of water.

The lake's effluent joins the main river a mile downstream.