نتایج جستجو برای: potable water quality
تعداد نتایج: 1255645 فیلتر نتایج به سال:
Several lines of evidence have been examined in attempts to implicate potable water as a source for legionellosis. Success has been mixed. The strongest evidence has been the similarity of strains recovered from patients and from potable water and the cessation of outbreaks following institution of measures to eradicate Legionella from potable water systems. Epidemiologic efforts to identify th...
Symptomatic disease by nontuberculous mycobacteria has been linked to potable water from institutional and domestic potable water systems. Potable water samples were collected from homes and institutions of patients with AIDS. Colonization of potable water with nontuberculous mycobacteria was demonstrated in 230 (15%) of 1489 samples collected from domestic and institutional water systems of pa...
We inventoried non-surface water sources in the Leogane and Gressier region of Haiti (approximately 270 km(2)) in 2012 and 2013 and screened water from 345 sites for fecal coliforms and Vibrio cholerae. An international organization/non-governmental organization responsible for construction could be identified for only 56% of water points evaluated. Sixteen percent of water points were non-func...
Background: Continuous expansion of potable water pollution sources is one of the main concerns of water suppliers, therefore measures such as water safety plan (WSP), have been taken into account to control these sources of pollution. The aim of this study was to identify probable risks and threatening hazards to drinking water quality in Lighvan village along with assessment of bank filtratio...
Water is an essential aspect of life and important in evolution. Recently the potable water quality topic has received much attention. The study aims to determine drinking Al-Najaf City by collecting samples throughout city comparing results with Iraqi guidelines (IQS 417) World Health Organization (WHO) guidelines, as well calculate WQI. Samples were tested laboratory between December 2021 Jun...
-The aim of the Proposed Project is a Microcontroller based Low-Cost Sensor Network for Real-Time Monitoring and Contamination Detection in Potable and nonPotable Water Distribution Systems and also updates the information to the consumers and concerned authorities by using GSM module. In the existing system, it is just monitor the water level and electrical conductivity manually (off-line) and...
This study evaluated water quality of the Nissitissit River and Salmon Brook, located in southeastern New Hampshire and northeastern Massachusetts. Water samples were collected once a month over three consecutive months (June, July, and August – summer of 2007) at five locations in each river and analyzed for a group of chemical and microbiological parameters typically monitored to characterize...
Globally, drinking water resources are diminishing in both quantity and quality. This situation has renewed interest in Condensation Water From Air (CWFA) technology, which utilizes water vapor in the air to produce water for both potable and non-potable purposes. However, there are currently insufficient data available to determine the relationship between air contaminants and the rate at whic...
Due to decreases in the availability and quality of traditional water resources, harvested rainwater is increasingly used for potable and non-potable purposes. In this study, we examined the effect of conventional roofing materials (i.e., asphalt fiberglass shingle, Galvalume(®) metal, and concrete tile) and alternative roofing materials (i.e., cool and green) on the quality of harvested rainwa...
This paper describes research undertaken to develop an approach for facilitating an initial hazard assessment and risk characterisation for a proposed indirect potable reuse scheme, as part of the water safety plan recommended by the World Health Organization. The process involved a description and evaluation of the catchment, which was the sewerage system supplying the sewage treatment works t...
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