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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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.
Sponsored
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…
Oct 22 2019
Officials at Harrisburg, Pa., water and sewer authority are planning to use a $13 million state loan to reduce the amount of untreated stormwater…
Until this latest rain MMSD figures show that 99.5% of wastewater volume has been treated in 2019.
Until this latest rain MMSD figures show that 99.5% of wastewater volume has been treated in 2019.
Sep 23 2019
After torrential rain swept through the Milwaukee area on Sept. 12, 282 million gallons of wastewater and storm water were sent into local waterways…
Aug 9 2019
A state program is aiding Hermitage, Penn., officials with pipe inspection and mapping of their storm water system. According to The Herald, the firm…
Aug 6 2019
Lynchburg, Va., uses a combined sewer system that carries both sanitary sewer flow and storm water to the Lynchburg Regional Wastewater Treatment…
Jul 17 2019
The city of Frederick, Md., wastewater treatment plant is seeking greater capacity after rainfall lead to a sewage release.  The city and surrounding…
May 9 2019
The Water Environment Federation's (WEF) Stormwater Institute released the results of a survey entitled the National Municipal Separate Storm Sewer…
In River Fall, Wis., storm water ponds help prevent rising water unlike other area towns
In River Fall, Wis., storm water ponds help prevent rising water unlike other area towns.
Apr 3 2019
River Falls, Wis. water levels have been receding and other cities in the area have been coping with the rising flood waters. According to the River…
StormSensor CEO Erin Rothman installs the system in Jersey City.
StormSensor CEO Erin Rothman installs the system in Jersey City.
Jan 28 2019
Accurately quantifying the problem is one of the biggest challenges to successfully controlling combined sewage overflows (CSOs). The most recent…
Jan 23 2019
The Holyoke, Mass., city council approved a $8.9 million bond for the Jackson Street Area Sewer Separation Project to minimize combined sewer…
DC Water announced the Anacostia River Tunnel has been improving storm water quality in the watershed
DC Water announced the Anacostia River Tunnel has been improving storm water quality in the watershed
Jan 16 2019
The District of Columbia Water and Sewer Authority (DC Water) announced that the Anacostia River Tunnel kept more than 4.5 billion gal of combined…
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