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Disparities between the Demand for On-Site Wastewater Treatment Systems and Treatment Options for Septage
ACS ES&T Water ( IF 4.8 ) Pub Date : 2021-09-09 , DOI: 10.1021/acsestwater.1c00221
Krista A. Capps 1 , Nandita Gaur 2 , Timothy Callahan 3 , Alexandra Orrego 4 , David Bloyer 5 , Keith Higgs 6 , Daniel Johnson 4
Affiliation  

On-site wastewater treatment systems (OWTS) are essential parts of wastewater treatment infrastructure throughout the world. In the United States, OWTS serve between 20% and 25% of homes in the country. Though access to septage treatment appears to be a ubiquitous problem in the United States, this issue has received relatively little attention. Here, we examined county-level estimates of the number of OWTS and treatment options in the state of Georgia in the United States. We also used municipal and regional data collected from wastewater treatment facilities to highlight relationships among treatment options for septage disposal, the cost of septage treatment, and the amount of septage delivered to receiving plants. We conservatively estimate the state should generate at least 932000 gallons per day (GPD) but has the capacity to treat only 500000–650000 GPD. More than 70% of counties in the state do not support municipal treatment options for septage. The data we report at the municipal and regional levels highlight negative relationships between the amount of septage delivered to treatment facilities and the price of treatment. Local and state agencies must develop policies and generate the funding needed to manage the entire life cycle of wastewater generated within their jurisdictional boundaries.

中文翻译:

现场废水处理系统需求与化粪池处理方案之间的差异

现场废水处理系统 (OWTS) 是全世界废水处理基础设施的重要组成部分。在美国,OWTS 为该国 20% 到 25% 的家庭提供服务。尽管获得粪污处理在美国似乎是一个普遍存在的问题,但这个问题受到的关注相对较少。在这里,我们检查了美国佐治亚州 OWTS 数量和治疗方案的县级估计值。我们还使用从废水处理设施收集的市政和区域数据来强调污水处理的处理方案、污水处理成本以及输送到接收工厂的污水量之间的关系。我们保守估计该州每天至少应产生 932000 加仑 (GPD),但只能处理 500000-650000 GPD。该州超过 70% 的县不支持市政污水处理方案。我们在市级和区域级报告的数据突出了输送到处理设施的粪便量与处理价格之间的负相关关系。地方和州机构必须制定政策并筹集所需资金来管理其管辖范围内产生的废水的整个生命周期。我们在市级和区域级报告的数据突出了输送到处理设施的粪便量与处理价格之间的负相关关系。地方和州机构必须制定政策并筹集所需资金来管理其管辖范围内产生的废水的整个生命周期。我们在市级和区域级报告的数据突出了输送到处理设施的粪便量与处理价格之间的负相关关系。地方和州机构必须制定政策并筹集所需资金来管理其管辖范围内产生的废水的整个生命周期。
更新日期:2021-10-08
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