Sanitary sewer overflow: Difference between revisions

Revision as of 01:14, 23 June 2019

Revision as of 11:42, 22 September 2020

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{{short description|Condition whereby untreated sewage is discharged into the environment prior to reaching sewage treatment facilities}}

: ''Not to be confused with [[{{distinguish|Combined sewer#Combined sewer overflows (CSOs)|combined sewer overflow (CSO)]]''}}

[[File:Sewer overflow RI EPA.jpg|thumb|right|A [[manhole]] cover unable to contain a sanitary sewer overflow]]

'''Sanitary sewer overflow''' ('''SSO''') is a condition in which untreated [[sewage]] is discharged from a [[sanitary sewer]] into the environment prior to reaching [[sewage treatment]] facilities. When caused by rainfall it is also known as '''wet weather overflow'''. It is primarily meaningful in [[developed countries]], which have extensive treatment facilities. Frequent causes of SSO spills include: