drinking water guideline Articles

  • Rethinking aesthetic guidelines for manganese and iron in drinking water

    Manganese and iron are both internationally known causes of aesthetic issues in drinking water, however, there are limited data supporting their specific aesthetic guidelines, of which typical values are 0.05 mg/L Mn and 0.3 mg/L Fe. This study aims to clarify the concentrations at which off-flavors and off-colors caused by manganese and iron may be detected by consumers. Triangle tests of ...


    By IWA Publishing

  • New DWI guidelines for UV drinking water disinfection

    atg UV, has seen increasing interest in the application of UV systems for the treatment of drinking water applications since the UK Drinking Water Inspectorate (DWI) released their ‘Guidance on the use of Ultraviolet (UV) Irradiation for the Disinfection of Public Water Supplies' February 2010. With systems treating in excess of 2000 m3/hr daily, Ultraviolet disinfection is no longer an ...


    By atg UV Technology

  • Guidelines for drinking water quality Addendum to Vol 2 Health Criteria

    In 1984 and 1985, the World Health Organization (WHO) published the first edition of Guidelines for drinking-water quality in three volumes. The development of these guidelines was organized and carried out jointly by WHO headquarters and the WHO Regional Office for Europe (EURO). In 1988, the decision was made within WHO to initiate the revision of the guidelines. The work was again shared ...


    By DelAgua Group

  • A critical evaluation of two point-of-use water treatment technologies: can they provide water that meets WHO drinking water guidelines?

    Point-of-use (POU) technologies have been proposed as solutions for meeting the Millennium Development Goal (MDG) for safe water. They reduce the risk of contamination between the water source and the home, by providing treatment at the household level. This study examined two POU technologies commonly used around the world: BioSand and ceramic filters. While the health benefits in terms of ...


    By IWA Publishing

  • Guidelines relating to Avian Influenza

    Guidelines relating to Avian Influenza issued from time to time by the Ministry of Environment & Forests: Personal Care:- Wear rubber gloves and protective clothing that can be disinfected or disposed of and protective eyewear or a face shield while handling animals. Wash hands with soap and water often and disinfect works surfaces and equipment between sites. Do not eat, drink, or ...


    By Indian Government

  • 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

  • Arsenic in private drinking water wells: an assessment of jurisdictional regulations and guidelines for risk remediation in North America

    Arsenic is a known carcinogen found globally in groundwater supplies due to natural geological occurrence. Levels exceeding the internationally recognized safe drinking water standard of 10 μg/L have been found in private drinking water supplies in many parts of Canada and the United States. Emerging epidemiological evidence confirms groundwater arsenic to be a significant health concern, ...


    By IWA Publishing

  • Printing Industry - Pollution Prevention Guidelines

    Introduction Pollution Prevention Guidelines to provide technical advice and guidance to staff and consultants involved in pollution-related projects. The guidelines represent state-of-the-art thinking on how to reduce pollution emissions from the production process. In many cases, the guidelines provide numerical targets for reducing pollution, as well as maximum ...


    By The World Bank

  • The comparative study of trihalomethanes in drinking water

    Abstract: The purpose of this study was to assess exposure of four trihalomethanes (chloroform, bromodichloromethane, dibromochloromethane and bromoform) in drinking waters of Okinawa Island and Samoa. Trihalomethanes compounds were determined in the drinking water samples that were collected from the selected consumption sites and treatment plants of both Okinawa and Samoa in 2003-2004. The ...

  • Homeland Security for Drinking Water Supplies

    As it has done with other jurisdictions, Congress has recently passed legislation aimed at protecting our nation's drinking water resources. Historically, water supply protection has been a high priority, including reservoir protection, continuous monitoring, and secure and redundant facilities to ensure an uninterrupted supply of drinking water. The Clean Water Act (1972), requires pollution ...


    By AECOM

  • Roadmap guideline: A manual to organise transition planning in Urban Water Cycle Systems

    A roadmap enables decision makers to plan and implement a pathway to achieve desired objectives. At the same time it serves as an excellent communication tool. The TRUST roadmap links strategy to future needs and actions and incorporates a plan for needed adaptations ...


    By IWA Publishing

  • EPA 2009 Protective Action Guideline Levels

    WE HAVE BEEN WAITING SINCE 1992 THE Old Document: In 1992 the EPA published its Manual of Protective Action Guides and Protective Actions ...


    By Technical Associates

  • Validation & DWI guidelines. your questions answered at IWEX

    With atg UV systems treating in excess of 2000 m3/hr daily, Ultraviolet disinfection is no longer an ‘emerging' technology. atg UV Technology will be attending IWEX 2010, (Stand ENW3) and in addition to exhibiting their wide selection of conventional UV disinfection systems and services, technical experts will be on hand to discuss the developments in both UV technology, the subsequent ...


    By atg UV Technology

  • Perceived agricultural runoff impact on drinking water

    Agricultural runoff into surface water is a problem in Australia, as it is in arguably all agriculturally active countries. While farm practices and resource management measures are employed to reduce downstream effects, they are often either technically insufficient or practically unsustainable. Therefore, consumers may still be exposed to agrichemicals whenever they turn on the tap. For rural ...


    By IWA Publishing

  • Bonn Charter principles for safe drinking water

    In the mid 1990’s a number of initiatives across the world began to question whether the so called “end of pipe” standard setting approach to protecting drinking water quality was the right way forward for the 21st century. This discussion began to come together in two main international forums. Firstly the massive task of updating the highly influential 3rd revision of the ...


    By IWA Publishing

  • Assessment of rainwater harvesting for drinking water supply in Bangladesh

    Rainwater harvesting is a potential option of water supply to the coastal and arsenic affected rural communities in Bangladesh and during the last few years, several projects were undertaken to promote and install various types of rainwater harvesting systems by government organizations and NGOs mainly for drinking and cooking water supply. A study was undertaken to assess the currently practiced ...


    By IWA Publishing

  • A look at some contaminants regulated in drinking water

    The U.S. Environmental Protection Agency regulates just over 90 contaminants in public drinking water systems. They include manmade chemicals as well as naturally occurring contaminants from rocks and soil. A look at some of the contaminants that fall under federal or state regulations: ARSENIC: Enters drinking water through eroding natural deposits in the ground or mining and other ...


    By Associated Press

  • GOOD NEWS FOR DRINKING WATER Independent Test Lab Evaluates Instrumentation forDetecting Radiation in Drinking Water

    Since 9/11 and there are still holes in security of the nation’s infrastructure, particularly for drinking water. This security deficit is currently being addressed in some community water systems with water monitoring instruments. In the 90s the EPA developed a wish list for monitoring contaminants in drinking water. Since that time biological and chemical contaminants have been identified ...


    By Technical Associates

  • Validation of the Goreangab Reclamation Plant in Windhoek, Namibia against the 2008 Australian Guidelines for Water Recycling

    Australia has had Guidelines in place for water recycling (for all uses other than the augmentation of drinking water supplies) since 2006. These Guidelines were extended to cover potable reuse in May 2008 and have been applied to two potable reuse projects in Australia – one a trial plant in Perth, Western Australia and the second for a large AUD$2.6 × 109 scheme in ...


    By IWA Publishing

  • Application of a risk management framework to a drinking water supply augmented by stormwater recharge

    The Blue Lake is an important water resource for the city of Mount Gambier and the surrounding region, primarily as the drinking water supply source, but also as a tourist attraction. Mount Gambier’s stormwater is discharged directly via drainage wells into the unconfined, karstic Gambier Limestone aquifer, which in turn provides the majority of recharge to Blue Lake. Discharge of urban runoff to ...


    By IWA Publishing

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