These events are called combined sewer overflows (CSOs). We are concerned about CSOs because of its effect on water quality and the recreational use of local water bodies.

The New York City Department of Environmental Protection (DEP) is required under a 2005 Order on Consent to reduce combined sewer overflows (CSOs) from its sewer system to improve the water quality of its surrounding waters, such as Flushing Bay, Jamaica Bay, and tributaries to the East River, Long Island Sound, and Outer Harbor.

Most of the CSO permittees in the New York are clustered in older industrial areas. Each CSS is required to have coverage under a State Pollutant Discharge Elimination System (SPDES) permit, which is issued by DEC. There are currently 45 communities in New York State that are permitted to own and operate a CSS.

The majority of New York City’s sewer system is combined, which means it is used to convey both sanitary and storm flows. Sometimes, during heavy rain and snow storms, combined sewers receive higher than normal flows. Treatment plants are unable to handle flows that are more than twice their design capacity and when this

On March 8, 2012, the New York State Department of Environmental Conservation (DEC) and DEP signed a groundbreaking agreement to reduce Combined Sewer Overflows (CSOs) using a hybrid green and gray infrastructure approach. As part of this agreement, DEP will develop 10 waterbody-specific Long Term Control Plans plus 1 citywide LTCP to reduce ...

根据2005的同意令，纽约市环境保护局 (DEP) 需要减少其下水道系统中的合流污水溢流 (CSO)，以改善其周边水域的水质，例如法拉盛湾、牙买加湾以及东河、长岛海峡和外港的支流。 根据 2005年同意令 ，环保部已经完成了水体/流域设施计划，这是CSO规划的初始阶段，并被要求建设各种灰色基础设施项目，并制定长期控制计划。 2008年CSO同意令 修改，解决了各种违规问题。 2009年CSO同意令 修改，以解决与Flushing CSO水箱有关的违规问题。 2011年，New …

2025年2月19日 · 纽约市 cso 命令由 nys dec 和 nyc dep 于2005执行，并于2008 、 2009 、 2012 、 2015 、 2016 、 2017 、 2021 、 2022 、 2023和2024进行了修改。 纽约市 CSO 命令包括与减少纽约市合流污水溢流 (CSO) 相关的各种里程碑和项目。

The dataset represents the locations of combined sewer overflow (CSOs) outfall locations in NYS. It also includes overflow detection capabilities of CSO communities and overflow frequency data within a specified timeframe.

A warning is issued when a mix of untreated sewage and fresh water spills into the waterways around New York Harbor. This warning is called a Combined Sewage Overflow (CSO) Waterbody Advisory. This can be triggered by heavy rainfall or snowfall.

What is a Combined Sewer Overflow (CSO)? NYC’s sewer system is approximately 60% combined, which means it is used to convey both sanitary and storm flows. 65% to 90% of combined sanitary and storm flow is captured at wastewater resource recovery facilities (WRRFs).