Sanitary sewer overflow: Difference between revisions

Revision as of 07:33, 4 August 2021

Revision as of 07:46, 4 August 2021

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{{distinguish|Combined sewer overflow}}

[[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'''. ItCauses isof primarilysanitary meaningfulsewer inoverflows include: Blockage of sewer lines, [[developedinfiltration/Inflow]] countriesof excessive [[stormwater]] into sewer lines during heavy [[rainfall]], whichmalfunction haveof extensive[[pumping treatmentstation]] facilities.lifts Frequentor causeselectrical [[power failure]], broken sewer lines. Prevention of SSOsuch spillsoverflow include:events involves regular maintenance and timely upgrades of infrastructure.

SSOs can cause [[gastrointestinal illness]]es ([[waterborne diseases]]), beach closures and restrictions on fish and [[shellfish]] consumption.

* Blockage of sewer lines

* [[Infiltration/Inflow]] of excessive [[stormwater]] into sewer lines during heavy [[rainfall]]

* Malfunction of [[pumping station]] lifts or electrical [[power failure]]

* Broken sewer lines.

SSOs can cause [[gastrointestinal illness]]es, beach closures and restrictions on fish and shellfish consumption.

==Magnitude of the problem==