Combined Sewer Overflow

The discharge of wastewater and storm water from a combined sewer system (when storm water and sanitary sewage run through the same lines) directly into the environment, most commonly caused by heavy rainfall events, which can cause a massive influx of storm water into sewerage lines.
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Apr 7 2021
After a chunk of ice was wedged in a frozen Madawaska, Maine pipe, tens of thousands of gallons of untreated wastewater flooded into the St. John…
Apr 5 2021
The U.S. EPA announced the availability of $67 million in grant funding through the new Sewer Overflow and Stormwater Reuse Municipal Grant program…
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Mar 25 2021
The Modular Wetlands dramatically decreases the footprint & installation burden for stormwater compliance and remains the most popular horizontal…
Mar 2 2021
EPA published a notice in the Federal Register announcing an allocation formula for the Sewer Overflow and Stormwater Reuse Municipal Grants Program…
Jan 25 2021
In this week’s SWS Video Series interview, SWS Managing Editor Katie Johns is joined by Michael Paterno, principal project director with Arcadis to…
Dec 4 2020
Location: Milwaukee, Wisconsin Cost: $2.8 Million Size: 112,883 square feet of various GI and site improvements; 453,024 square feet of urban…
Nov 30 2020
The Narragansett Bay Commission purchased at least 10 properties on or near the Pawtucket riverfront to help facilitate construction of a massive new…
Oct 30 2020
Since 1960, Vaughan Company remains committed to giving our customers outstanding service and the most dependable product solutions in the world. The…
Aug 17 2020
As part of the ongoing Combined Sewer Overflow (CSO) program, the surcharging of one lift station was solved by using long, parallel runs of large…
Aug 17 2020
Storm water management is an increasingly challenging requirement. Sea-level rise, increased frequency and intensity of storms, and the continuing…
Jul 21 2020
O’Hara, Pennsylvania is seeking nearly $750,000 in grants to manage storm water issues across the township. The council is applying for three…
Jul 10 2020
Olive-Harvey College (OHC), located in Chicago’s historic Pullman neighborhood, offers a number of programs in Transportation, Distribution and…
Apr 14 2020
Referred to as Mile Square City, the densely populated metropolis of Hoboken has a history of flooding because of its low-lying location on the New…
Vacall AllJetVac with boiler system produces hot water for sewer cleaning and hydroexcavation.
Vacall AllJetVac with boiler system produces hot water for sewer cleaning and hydroexcavation.
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Apr 7 2020
The city of Hoonah, with about 800 residents and 300 households, has become one of Alaska’s fastest-growing cities. Nestled along the Icy Strait of…
Mar 30 2020
Detroit plans to start installing temporary dams next week for $2 million to protect against rising Detroit River levels. Last year, nearly seven…
Jan 28 2020
Portsmouth's new $92 million Pierce Island Wastewater Treatment Plant is on schedule for Apr.1 compliance. “It’s been a long time coming,” said…
Jan 16 2020
The city of Ottawa will receive financial assistance help from the state to separate its storm sewer flow from the sanitary/combined sewer system.…
Dec 12 2019
The U.S. EPA has extended the public comment period for its proposed plan, which evaluates the impacts of the current and expected future volume of…
Nov 5 2019
More than 4.7 million gal of untreated storm water flowed into Vermont streams, rivers and lakes after a Halloween storm. The Halloween storm caused…
Oct 29 2019
Underneath the new pedestrian plaza in Spokane, Wash., is a combined sewer overflow (CSO) tank, which has caused the closure of the Monroe Street…
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