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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 .
Thames Water’s new online map shows storm overflows discharging in near real-time. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to ...
Combined sewer outflow into the Anacostia River in Washington, D.C. Ratcliff Beach CSO discharges into the River Thames in London [7]. These relief structures, called "storm-water regulators" (in American English - or "combined sewer overflows" in British English) are constructed in combined sewer systems to divert flows in excess of the peak design flow of the sewage treatment plant. [6]
An advantage of sanitary sewer systems is that they avoid combined sewer overflows. Sanitary sewers are typically much smaller in diameter than combined sewers which also transport urban runoff . Backups of raw sewage can occur if excessive stormwater inflow or groundwater infiltration occurs due to leaking joints, defective pipes etc. in aging ...
BOSTON — As sewage overflows become more frequent in Massachusetts, advocates and lawmakers are pushing to reduce the number of combined sewer systems to avoid run-off sewage polluting bodies of ...
The city website defines a sanitary sewer overflow as "an unintentional overflow, spill, release, discharge or diversion of untreated or partially treated sewage from the city’s public sanitary ...
Other portions of the area use more primitive combined sewers, where sewage and storm water are mixed and flow through the same pipe to Alcosan's plant. After heavy rainfall, however, combined sewers commonly dump untreated sewage into area rivers and tributaries without treatment, in an event called a combined sewer overflow. Because of mis ...
The investigation by the OEP did not include overflows at sewage treatment works, where the Environment Agency is currently investigating water companies for potential failures to have sufficient ...