Editing Outfall (section)

{{Short description|Discharge point of a waste stream into a body of water}}
{{Refimprove|date=August 2012}}
[[File:Bell Wharf CSO outfall in London.jpg|thumb|Outfall with a flap valve at [[River Thames]] in London<ref>{{cite web |title=Structure: Outfall |url=https://environment.data.gov.uk/asset-management/drl-app/revision/current/categories/Structure/asset-types/Outfall |publisher=United Kingdom Department for Environment Food & Rural Affairs |access-date=7 April 2024}}</ref>]]
An '''outfall''' is the discharge point of a waste stream into a body of water; alternatively it may be the outlet of a [[river]], [[Drainage|drain]] or a [[sanitary sewer|sewer]] where it discharges into the [[sea]], a [[lake]] or ocean.