Tag Archives: Sewer overflows

NYC begins building 321 curbside rain gardens

On May 25, New York City Department of Environmental Protection (DEP) Acting Commissioner Steven Lawitts and Department of Design and Construction (DDC) Commissioner Feniosky Peña-Mora announced work has begun to build approximately 321 specially designed curbside rain gardens in the Queens neighborhoods of Sunnyside, Maspeth and Ridgewood. When construction is completed later this year, each […]

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Green Infrastructure Toolkit Helps Address Urban Flooding in Midwest

Communities across the U.S. Midwest are seeking solutions to sewer overflows, basement backups, and other costly effects of urban flooding. New green infrastructure design templates now are available to help Midwest and Great Lakes region communities combat urban flooding and rethink stormwater management. The templates emerged an ongoing collaboration among Chicago-area government, nonprofit, and for-profit […]

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EPA Reports Stormwater Funding Needs

On Jan. 13, the U.S. Environmental Protection Agency (EPA) released a survey showing that $271 billion is needed to maintain and improve the nation’s clean water infrastructure. This includes wastewater and stormwater infrastructure as well as collection systems. EPA reports that $48 billion is needed to correct combined sewer overflows, and another $19.2 billion is […]

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San Juan, Puerto Rico Agrees To Improve Storm Sewers

On October 26, 2015, the Municipality of San Juan agreed to make substantial upgrades to its storm sewer systems. The citywide upgrades and related cleaning activities will minimize daily discharges of untreated wastewater from San Juan’s storm sewers. The upgrades will help improve the water quality of the San Juan Bay Estuary, the Atlantic Ocean, […]

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MSD Announces $100 Million Rainscaping Program

On Dec. 22, the Metropolitan St. Louis Sewer District (MSD) announced a plan to complete $100 million in Rainscaping improvements to much of St. Louis City and portions of nearby North St. Louis County. Rainscaping practices include such features as rain gardens, bioretention cells, pervious pavement, and green roofs that slow and soak up rainwater […]

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SuDS Plans Unfold in London

On Oct. 29, London Mayor Boris Johnson, in partnership with Thames Water, the Environment Agency, and London Councils, published the first London Sustainable Drainage Action Plan. The draft plan is open for public consultation until Jan. 15. According to a press release announcing the plan, London has lost 17% of permeable surfaces in the last […]

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Evolving Green Infrastructure Through Asset Management

DC Water is developing a robust asset management program with an adaptive framework to plan proactively for green infrastructure maintenance.

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EPA Should Better Track CSO Mitigation Outcomes, Report Finds

According to the U.S. Environmental Protection Agency (EPA) Office of the Inspector General, the agency should track the water quality outcomes of its major municipal combined sewer overflow (CSO) settlements. By better tracking this information, EPA could show how the money communities are spending to address CSO volume and frequency improves local waterways. In a […]

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WEF Fact Sheet Focuses on Removal of Private Property Infiltration and Inflow

In September, the Water Environment Federation Collection Systems Committee released a fact sheet on reducing private property infiltration and inflow (PPII). Infiltration and inflow (I/I) of extraneous stormwater and groundwater to sanitary sewers can overwhelm the conveyance capacity of sewers and is a significant cause of system overflows. Sewer laterals, which connect buildings on private […]

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DELCORA To Reduce CSOs in Chester, Pa.

In August, the Delaware County Regional Water Quality Control Authority (DELCORA) entered into a settlement with the U.S. Environmental Protection Agency to improve its combined sewer and stormwater drainage system in the City of Chester, Pa. The improvements will address combined sewer overflows (CSOs) and improve water quality in the Delaware River, Chester Creek, and […]

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