non-revenue water Articles

  • Non-Revenue Water – A Growing Issue for Water Utilities

    Each day, billions of gallons of water are lost worldwide to various factors, including leaks, water main failures, theft and metering inaccuracies. Not only does this represent the waste of a precious resource that many people do not have reliable access to, it also represents a massive amount of lost revenue for the utilities that provide water services. In developed nations, ...


    By Pure Technologies

  • The Challenge of Reducing Maynilad`s Non-Revenue Water

    Non-revenue water (NRW), poses a very big challenge to many water utilities today. Reducing if not totally eliminating non-revenue water remains the primary concern not only in the Philippines and the Asian region but also world-wide, especially in these times where sources of drinking water supply is rapidly declining. Better and more efficient water supply management is needed to optimize ...


    By IWA Publishing

  • Tackling Non-Revenue Water by Identifying Small Leaks

    Small leaks sink big ships – the same can be said for large-diameter pipes in utility networks. While large leaks or ruptures are seen as newsworthy stories accompanied by images of water flowing down the streets; smaller leaks can often be more devastating. Left undetected, they can add up over time, contributing significantly to ...


    By Pure Technologies

  • Methods of Purification by Water Innovations, Inc.

    Carbon Filtration is used for several reasons. Its primary purpose is the reduction of chlorine to less than 0.1 ppm. Chorine can damage softener resins, reverse osmosis membranes, and mixed bed deionization resins. Activated carbon will also help control tastes and odors, provide organic and hazardous organic chemical reduction, and some particulate reduction. ...


    By Water Innovations, Inc

  • Non-revenue water and cost recovery in urban India: the case of Bangalore

    This paper examines the issue of non-revenue water (NRW) in urban India, taking the city of Bangalore as a case study. Using empirical evidence from a survey conducted among 601 low-income households in Bangalore, we investigate the major sources of NRW for water utilities and propose policy recommendations based on the analysis. Our key finding is that public stand posts and public wells, which ...


    By IWA Publishing

  • Developing a non-revenue water reduction strategy: planning and implementing the strategy

    ABSTRACTA companion paper dealt with the tasks required to investigate and assess the components of non-revenue water (NRW). This is a necessary first step in a diagnostic approach to understanding the condition of the network, the way that it is operated, and the constraints acting upon it. This second part deals with the tasks and tools required to address the constraints, and to develop a ...


    By IWA Publishing

  • Detect Leaks and Analyze Water Consumption with WaterSignal

    Did you know it will cost an estimated $1 trillion over the next 25 years to upgrade the nation’s water system to run more efficiently? While part of the problem is fragile, hundred-year-old water mains, it also falls on property owners to ensure they are doing their part to save water — for both the environment and their wallets. But how? ...


    By WaterSignal

  • Melaka Gets Tough on Non Revenue Water Loss and Claims Two Awards

    Melaka is a relatively small state on the southwest side of the Malay Peninsula with a city so rich in history and beauty that it is listed as a UNESCO World Heritage site. With a population around 850,000, the Melaka Water Company Ltd. (SAMB) manages roughly 270,000 service connections for commercial and residential customers. In 2008 the city embarked on an aggressive plan to upgrade ...


    By Singer Valve Inc.

  • Using FTIR spectroscopy to measure hydrocarbon pollution in water

    According to the World Health Organization (WHO) and UNICEF’s 2015 Progress on Sanitation and Drinking Water report almost 700 million people around the world don’t have access to clean drinking water [1]. Poor water quality is beginning to return to the developed world too. The strain of population growth, intensified agricultural practices and continued industrial expansion have are ...


    By Specac Limited

  • A solution to fracturing water supply and disposal issues

    “Water, water, everywhere, Nor any drop to drink.” –The Rime of the Ancient Mariner, Samuel Taylor Coleridge Many topics of conversation among oil and gas industry professionals are predictable – oil price trends, the “great shift change” imperiling the available workforce, and production quotas and caps from OPEC. Yet one pressing topic among those developing ...


    By Fairmount Santrol

  • How Installing Arsenic Drinking Water Treatment Can Save Your Life

    Arsenic is an element so associated with its toxicity and harmful effects on the human body that the word itself is often used for any kind of general poison. While the exact ways that exposure to the metalloid attacks various organs and systems is still not fully understood, studies throughout the scientific community are continually determining that ingesting arsenic through drinking water can ...

  • Human Error Threatens Safety in Hazardous Areas

    The top 5 problems identified in hazardous areas are Poor or no maintenance on flameproof (Ex d) enclosures. Due to corrosion—especially when equipment is installed outdoors—the Ex d protection is gone 2-3 years after installation. Incorrectly installed Ex d cable glands. Even if the combination of cable and gland is chosen correctly, the instructions on how to ...


    By Mettler - Toledo Int. Inc

  • The benefits of monitoring compressed air

    Compressed air is used in many manufacturing processes for many different reasons, from the actuation and control of pneumatic valves and cylinders to the operation of process machinery and tooling. It can also be used as a transport medium for bulk materials or as a purge gas. For all its uses it is nonetheless expensive. This is why, through detailed monitoring, a business can enjoy the ...


    By Contrec Europe Limited

  • Leaks on large-diameter trunk mains – more than just non-revenue water reduction

    Providing safe, reliable access to clean water is a major challenge for utilities around the world considering that roughly 12 billion gallons of water are lost every day globally. While many utilities are aware of the importance of reducing Non-Revenue Water (NRW), reducing it can be a challenge. The World ...


    By Pure Technologies

  • Applying incentives to increase revenue water in urban systems

    The study utilises cross-sectional data from utilities of the National Water and Sewerage Corporation of Uganda to test application of extrinsic incentive theory on non-revenue water (NRW) reduction. Applying a multiple regression model, we find that the effect of level of incentive payments on revenue water (billing efficiency) depends on the amounts of staff inputs, service coverage and water ...


    By IWA Publishing

  • Neuthox in agriculture - improving water quality and increasing revenue - Case Study

    Adding NEUTHOX to the water supply will improve weight gains, and lower the mortality rate. NEUTHOX is proven to: Reduce bacteria levels in the local water supply Remove biofilm in the water system Reduce animal self-contamination of drinking water Be an eco-friendly, non-toxic and economical solution ...

  • Assessing Water system revenue risk: Considerations for market Analysts

    Water utilities are on the brink of extraordinary investments to replace aging infrastructure— the Environmental Protection Agency estimates that by 2030, capital expenditures of more than $300 billion will be needed to safeguard drinking water. Yet this investment comes at a time when Americans’ water use habits are changing1—resulting in considerable uncertainty for water ...


    By Ceres

  • Impact of agricultural water reallocation on crop yield and revenue: a case study in China

    Our study area in the People's Victory Canal Irrigation District of Henan Province in China has been transferring agricultural water to the city for municipal use. This study starts with an examination of the impacts of irrigation frequency, irrigation water sources, and irrigation water supply performance on crop yield and net crop revenue, using data from a survey of 182 households in the ...


    By IWA Publishing

  • "A Non-Chemical Water Treatment for Cooling Towers"

    Untitled Document Introduction This paper will describe a case study of a ...


    By Dolphin WaterCare

  • Turning Carbon Emissions Into A Revenue Stream

    On the heels of the EPA’s new carbon rules proposed by President Obama on June 2, I wanted to take a closer look at a potential disruptive technological breakthrough: taking CO2 waste streams and turning them into saleable, value-added feedstocks. Certainly, the deployment of renewables, energy efficiency, smart grid, and energy storage technologies offer some of the most cost-effective ...


    By GLOBE Foundation

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