epa drinking water guideline Articles

  • 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

  • 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

  • Internal Guidelines and TSCA: The Implications of EPA`s Case Against DuPont

    The United States Environmental Protection Agency (EPA) has urged industry for years to view federal environmental standards as floors, not ceilings. Companies have been urged at every opportunity to do better than what the law requires, and to improve upon federally enforced environmental standards whenever possible. Many in industry have heeded the call and have proactively established ...


    By Bergeson & Campbell, P.C.

  • 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

  • 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

  • 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

  • What’s in those new plastic pipes delivering drinking water?

    Lingering questions leave some concerned about a new generation of plumbing material The calls and e-mails arrive as often as several times a week from people with concerns about drinking water. Some of the callers — who include homeowners, architects and builders — want to know why their water smells like gasoline. Others want to know which kinds of pipes to ...


    By Ensia

  • EPA Speeds Alternative Method Approvals

    As anyone in the water business will tell you, standard analytical methods are critically important. On April 10, 2007, the EPA announced its intent to implement an expedited process for approving alternative analytical testing methods under various federal water programs. Background Under the Safe Drinking Water Act (SDWA), EPA promulgates national primary drinking water regulations ...


    By Bergeson & Campbell, P.C.

  • Analysis of low levels of metals in drinking water with a scanning array ICP emission spectrometer and ultrasonic nebulization

    Drinking water is an important factor in exposure to environmental contaminants and is used in preparing foods and beverages for human consumption. Therefore, great care is used to verify that it is free of or contains acceptable limits of toxic substances. With respect to heavy metals and other toxicologically relevant elements, atomic spectrometric techniques are frequently used to determine ...


    By PerkinElmer, Inc.

  • Safety in Drinking Water? Monitoring for Radioactive ContaminantsOnly Required Every Three, Six, or Nine Years per Federal Law

    Current federal law requires testing of drinking water for radionuclides, “hazardous radioactive materials” every three, six, or nine years. The states have the option to increase testing frequency. [Federal Register Year 2000; page 76746. http://www.gpoaccess.gov/fr/retrieve.html] An incident of terrorism, accident, or improper disposal ...


    By Technical Associates

  • How Does Lead Get into Drinking Water? How Can Local Municipalities Remove It?

    In light of the Flint water crisis—when, in 2014, Flint officials changed the city’s water source from the Detroit Water and Sewerage Department to the Flint River, leaching unsafe levels of lead into the public water supply due to improper treatment—many people are wondering if the same thing could happen in their own communities and homes. Some folks believe this could be the ...


    By SAMCO Technologies, Inc.

  • UV, a bright future for the water industry

    The use of Ultra Violet (UV) light has now become standard practice in most municipal waste water treatment processes.  Effluent is now starting to be recognised as a valuable resource, not a problem that needs to be dumped. Many waste water facilities are being renamed as water reclamation facilities, and whether the waste water is being discharged into a river, being used to irrigate ...


    By atg UV Technology

  • Ozone Brings Better Bottled Water

    The proliferation of bottled beverages worldwide and an increased awareness of consumer health issues have beverage bottlers rethinking how to keep their liquids safe for consumption. One problem they face is the need to deliver a product that is free of bacteria, to provide extended shelf life and product quality. Ozone has quickly become the disinfectant of choice among water bottlers ...

  • Geary County rural water district 4 gets the red out!

    Geary County RWD 4 is a public water system located approximately three miles northwest of Junction City, on the east side of Milford Reservoir. The system is supplied with water from two wells located in the Rolling Meadows Golf Course at the south end of the district. The district currently has about 320 meters and produces approximately 70,000 gallons per day during colder months and about ...


    By Filtronics, Incorporated

  • ASTM Standards Help Meet Need for Clean Water

    The new ASTM Water Portal provides a single access point to standards and related information about ASTM International’s diverse committees working to protect and monitor this vital global resource. Clean and safe water is the underpinning of the quality of life for people around the world. Global economies depend on water, whether it’s to support the manufacturing of goods ...


    By ASTM International

  • Laboratory Management - Integrated Sampling the Key to Safe Water Supply

    Leading water suppliers use Laboratory Information Management Systems (LIMS) to integrate the sample collection and analysis process, helping to maximize the efficiency of these programs. Drinking water suppliers around the world face unique challenges: They must deliver the most essential ingredient for life on a grand scale, while also navigating complex issues surrounding public safety, ...

  • The Potential of Solar-Powered Water Circulators to Help Solve Serious Water and Energy Problems in the U.S.

    With increasing human populations comes the corresponding increased need for improving water quality in lakes, wastewater ponds, potable water reservoirs, and other water storage facilities. Providing circulation within water reservoirs of all types has long been known to provide meaningful benefits, but the costs to achieve sufficient circulation through diffused aeration or mechanical mixers ...


    By Medora Corporation

  • Water- and wastewater-related disease and infection risks: what is an appropriate value for the maximum tolerable additional burden of disease?

    The maximum additional burden of water- and wastewater-related disease of 10_6 disability-adjusted life year (DALY) loss per person per year (pppy), used in the WHO Drinking-water Quality Guidelines and the WHO Guidelines for Wastewater Use in Agriculture, is based on US EPA's acceptance of a 70-year lifetime waterborne cancer risk of 10_5 per person, equivalent to an annual risk of 1.4×10_7 per ...


    By IWA Publishing

  • Case Study - Standardised UV disinfection skid packages for offshore potable water treatment

    The process of disinfecting water with UV light is a proven technology, and has been widely used throughout the offshore petrochemical sector for crew drinking water supplies for over 30 years.  In the UK, new guidelines introduced by the Drinking Water Inspectorate (DWI) in February 2010 now require all UV systems used for the disinfection of potable drinking water to be independently 3rd ...


    By atg UV Technology

Need help finding the right suppliers? Try XPRT Sourcing. Let the XPRTs do the work for you