water quality standard who Articles

  • Drinking Water Standards

    The most important point of departure for drinking water standards is the World Health Organisation Guidelines for Drinking Water Quality. These are widely used throughout the world with the exception of parts of North America. WHO’s Guidelines have evolved over a period of 50 years from standards to guidelines, reflecting the fact that they have no legal force. The WHO emphasises that it ...


    By IWA Publishing

  • Organisational arrangements and drinking water quality

    This paper discusses the findings of a research project which explored the impact of varying organisational arrangements on drinking water quality in England and Wales, and the Republic of Ireland. It is established that drinking water quality has been of a consistently higher standard in England and Wales in comparison with the Republic of Ireland. It is also demonstrated that the associated ...


    By IWA Publishing

  • Effect of agro-activities on drinking-water quality in Bangladesh

    Fifty-nine samples of drinking water were collected from various locations in Bangladesh to assess the impact of agricultural practices on groundwater quality. The basic groundwater quality parameters, such as pH, total dissolved solids, iron, sodium, chloride, sulfate, fluoride and arsenic were analysed. In addition, the presence of excess fertilizers was monitored by measuring levels of ...


    By Inderscience Publishers

  • LIMS Key to Quality Data Management in Water Industry

    WEFTEC  has just  wrapped up its 2012 conference – the largest meeting of its kind in North America.  The Water Environment Federations’ annual meeting has again delivered comprehensive water quality education and training to thousands of water quality professionals.  The leading discussions at WEFTEC ...

  • Hanahan water treatment plant, Crisafulli standard-duty FLUMPs-case study

    Application: Solids removal from primary settling basins, Kenneth A. Dorr, Assistant Superintendent Hanahan Water Treatment Plant, Commissioners of Public Works, City of Charleston, South Carolina Installation: 1998. Retired from service 2010 Application: Solids removal from primary settling basins, Kenneth A. Dorr, Assistant ...


    By SRS Crisafulli, Inc.

  • ASHRAE Standard 188P: Prevention of Legionellosis Associated with Building Water Systems

    For Presentation at the AWT 2011 Convention and Exposition  The American Society of Heating, Refrigerating and Air-conditioning Engineers (ASHRAE) has developed a proposed Standard Practice that specifies what is required to prevent legionellosis associated with building water systems. Standard 188P is a “Practices” standard – not a “Design” or ...


    By Phigenics, LLC

  • Impact assessment of waste disposal on water quality of a freshwater reservoir of India

    Physico–chemical parameters and heavy metals were analysed in water samples, collected during rainy, winter and summer season of 2006–2007 to evaluate the impact of wastes on Halali reservoir. In surface water temperature, pH, TDS, EC, free CO2, DO, alkalinity, hardness and chloride were from 18.3–35.5°C, 7.4–8.9, 103–509 mg L−1, 162–800 ...


    By Inderscience Publishers

  • Water Quality Risk Assessment for Dredging Operations, Plymouth Sound, UK

    ABSTRACTAs part of a formal Environmental Impact Assessment for a port development project in Plymouth Sound, UK, the potential risk of a deterioration in water quality from capital dredging was informed by the application of a probabilistic risk approach. In the absence of UK statutory sediment quality guidelines (SQGs) to assess acceptability of dredging operations, non-statutory guidelines are ...


    By Oracle Crystal Ball GBU

  • Determination of water quality index by fuzzy logic approach: a case of ground water in an Indian town

    The paper proposes fuzzy logic model that deals with the physico-chemical water analysis of ground water of Chikhli town for determination of Water Quality Index (WQI). The study was carried by collection of ground water samples from about eleven hand pumps located in this town. Ground water quality is studied by systematic collection and analysis of samples. The fuzzy logic is used for the ...


    By IWA Publishing

  • Toxicity Identification Evaluation (TIE) as a Tool for Water Quality Management

    Whole effluent toxicity (WET) testing has evolved into a critical element of many National Pollutant Discharge Elimination System (NPDES) permits issued to both industrial and municipal dischargers. Over 6,500 dischargers to both fresh and salt waters are required to conduct toxicity tests to determine if their effluent might be potentially toxic to organisms in the receiving system. While ...


    By AECOM

  • An assessment of microbiological water quality of six water source categories in north-east Uganda

    Target 7C of the Millennium Development Goals is to “halve, by 2015, the proportion of people without sustainable access to safe drinking water and basic sanitation”. However, the corresponding indicator measures the “proportion of population using an improved drinking water source”. This raises the question of whether “safe” and “improved” can be used interchangeably. This paper tests this ...


    By IWA Publishing

  • Air quality in Europe — 2015 report

    Air pollution is both an environmental and a social problem, as it leads to a multitude of adverse effects on human health, ecosystems, the built environment and the climate. Air pollution poses the single largest environmental health risk in Europe today. Air pollutants are emitted from anthropogenic and natural sources; they may be transported or formed over long distances; and they may affect ...

  • Dealing with Indoor Air Quality Issues

     According to the Environmental Protection Agency (EPA) journal, the average American spends about ninety percent of their time indoors. This is why the chances are overwhelming that most of the air you breathe either has entered via your building's ventilation system... or filtered in through doors, windows, or porous wall materials. Along the way, the air might have picked up any number ...


  • Quality and suitability of harvested rainwater for drinking in Bangladesh

    Several programs have been undertaken during the last few years to install rooftop rainwater harvesting systems as an alternative drinking water supply source both in the coastal and arsenic affected areas in Bangladesh. In this study, quality of the harvested rainwater used for drinking water supply was assessed. A total of 308 harvested rainwater samples were collected from the different ...


    By IWA Publishing

  • Chemical composition and assessment of water quality in benthic environment of an Indian reservoir through multivariate statistical approach

    Seasonal water samples were collected from five different locations of Halali reservoir of India during the year of 2007–2008 to study the quality of this waste impacted water body of Madhya Pradesh. The range of physico-chemical parameters were 14.9–21.8°C for temperature, 7.57–9.32. for pH, 118–558 mg L –1 for TDS, 176–839 µS cm –1 for EC, 0–5.92 mg L –1 for free CO ...


    By Inderscience Publishers

  • Bacteriological and physico-chemical quality assessment of household drinking water in Ado-Ekiti, Nigeria

    An investigation on the bacteriological and physico-chemical properties of stored household drinking water in Ado-Ekiti, Nigeria was carried out between April and October, 2008. The drinking water sources considered for examination were harvested rain water, tap water and well water stored in plastic water pots for 2 to 4 days. The waterborne pathogens in the samples that were isolated were ...


    By IWA Publishing

  • Allegheny Ludlum uses Abanaki to support world-class wastewater treatment standards

    Allegheny Ludlum Corporation is a world leader in the technology, production and marketing of specialty materials - from stainless and silicon- electrical steels to titanium, nickel alloys and other advanced alloys. Its customers represent diversified consumer and capital goods markets in more than 30 nations. In keeping with the company's ISO 9001-certified quality system, the leader goes well ...


    By Abanaki Corporation

  • Impact of treated wastewater on groundwater quality in the region of Tiznit (Morocco)

    The Tiznit region has an arid to semi-arid climate. Rainfall is scarce and the reuse of wastewater for crop irrigation is common, and consequently groundwater can be contaminated by chemical and biological pollutants. A wastewater treatment plant is constructed with the aim of producing water suitable for reuse in agriculture and reducing groundwater pollution. The aim of this study is to assess ...


    By IWA Publishing

  • Evaluation of groundwater quality and its suitability for drinking purpose in Rajshahi City, Bangladesh

    A study was conducted to evaluate the hydrochemical processes controlling the water quality variations and to determine the water type of groundwater in Rajshahi City, Bangladesh, for drinking purposes. A total of 120 shallow and deep tubewell water samples were collected in pre- and post-monsoon seasons during the year 2008–2009 and analyzed for various physico-chemical parameters. The results ...


    By IWA Publishing

  • Combating Corrosion - Committee G01 Standards Fight Nature’s Destructive Tendencies

    The evening news may leave many of us feeling war-weary, but one ASTM International technical committee has been successful in conflict of a different sort. It’s a commonplace but epic struggle between the natural and civilized worlds — the fight against metal corrosion. For the past half-century, the weapon of choice of ASTM Committee ...


    By ASTM International

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