نتایج جستجو برای: drinking water quality

تعداد نتایج: 1275719  

2016
E. J. Mirjam Blokker William R. Furnass John Machell Stephen R. Mounce Peter G. Schaap Joby B. Boxall

Understanding and managing water quality in drinking water distribution system is essential for public health and wellbeing, but is challenging due to the number and complexity of interacting physical, chemical and biological processes occurring within vast, deteriorating pipe networks. In this paper we explore the application of Self Organising Map techniques to derive such understanding from ...

Background and Objective: Road transportation and specifically bus travel accounts for the bulk of travel. Contaminated drinking water consumption is one of the issues that threaten health, and always there is pollution possibility in drinking water in buses. This study evaluated the microbial quality of consumed drinking water in buses and also compared it with available standards. Materials a...

Journal: :African health sciences 2011
P Gwimbi

BACKGROUND Provision of good quality household drinking water is an important means of improving public health in rural communities especially in Africa; and is the rationale behind protecting drinking water sources and promoting healthy practices at and around such sources. OBJECTIVES To examine the microbial content of drinking water from different types of drinking water sources in Manonya...

2015
Georgia L. Kayser Urooj Amjad Fernanda Dalcanale Jamie Bartram Margaret E. Bentley

Human health is greatly affected by inadequate access to sufficient and safe drinking water, especially in low and middle-income countries. Drinking water governance improvements may be one way to better drinking water quality. Over the past decade, many projects and international organizations have been dedicated to water governance; however, water governance in the drinking water sector is un...

Journal: :Journal of water and health 2011
W Onyango-Ouma Charles P Gerba

A cross-sectional descriptive study was conducted to examine away-from-home drinking water consumption practices and the microbiological quality of water consumed in rural western Kenya. The study involved adults and schoolchildren. Data were collected using focus group discussions, questionnaire survey, observations, diaries and interviews. The findings suggest that away-from-home drinking wat...

Journal: :Western Pacific surveillance and response journal : WPSAR 2015
Bonifacio Magtibay Maria Sonabel Anarna Arturo Fernando

INTRODUCTION Access to safe drinking-water is one of the most important public health concerns in an emergency setting. This descriptive study reports on an assessment of water quality in drinking-water supply systems in areas affected by Typhoon Haiyan immediately following and 10 months after the typhoon. METHODS Water quality testing and risk assessments of the drinking-water systems were ...

Background & aims: All around the world, underground water resources are a major part of supplying drinking water due to high quality, easy access, low cost and no need for complicated treatment. On the other hand, lack of proper management can transfer chemical pollutants through industrial and agricultural effluents. In this study, the chemical quality of rural drinking water supplies in Neys...

2016
James Hodge Howard H. Chang Sophie Boisson Simon M. Collin Rachel Peletz Thomas Clasen

BACKGROUND Fecally contaminated drinking water is believed to be a major contributor to the global burden of diarrheal disease and a leading cause of mortality among young children. However, recent systematic reviews and results from blinded studies of water quality interventions have raised questions about the risk associated with fecally contaminated water, particularly as measured by thermot...

زارعی, مهدی, سلیمانی مطلق, مهدی, طالبی, علی,

Drought is a phenomenon that threating water quality in addition to its shortage. In this paper we investigate the effect of drought on surface water quality of Kashkan watershed. For this purpose, during the collection of meteorological data and water quality data during 20 years (1987 to 2009) from Meteorology and Water Resources offices of Lorestan province, initially duration and severity o...

ژورنال: علوم آب و خاک 2016
آلبوعلی, علی, صادقی, سیدهادی, قضاوی, رضا,

Nowadays, the increasing population and water demand in various sectors of agriculture, industry, drinking and sanitation has brought about tremendous pressure on groundwater resources. Changes in groundwater quality and salinity of the water resources are currently major threats to development, especially in the dry and too dry lands. The aim of this study is evaluation of the trend of changes...

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