water loss audit Articles

  • From energy balance to energy efficiency indicators including water losses

    The collection and distribution of drinking water resources generally require large quantities of energy, that vary according to factors related to the characteristics of the served area, as well as to design and management choices. Energy intensity indicators (energy per unit of volume) are insufficient to assess the weight of different factors that affect the energy consumption and appear not ...


    By IWA Publishing

  • Responding to audit surprises

    An audit is a systematic and documented investigation to determine if prescribed processes are functioning as intended. We audit to find out whether processes are working properly, where they are not working properly, and how to address identified gaps. No matter how diligent the staff is in following procedures, there are nearly always revelations indicating needed corrections and opportunities ...


    By Trinity Consultants

  • 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.

  • Establishing the First Validated Dataset of North American Water Utility Water Audit Data

    The American Water Works Association‟s (AWWA) Water Loss Control Committee (WLCC)assembled in 2011 an initial dataset of Water Audit data from 26 water systems from the United States and Canada. This effort represents the initial phase of a project that ultimately aims to establish North American water industry benchmarks for water loss control, while promoting the use of standardized water ...


    By IWA Publishing

  • Are you wasting the cashback potential of energy audits?

    If  the government offered your business £20 cashback on every £100 you spent on energy, you would probably head for the front of the queue.  Yet that's exactly the sort of money saving opportunity an energy audit can deliver. The Carbon Trust's analysis of a sample of recent ESOS energy savings opportunities ...


    By Inprova Energy

  • Investigating the management of unaccounted for water for Lilongwe Water Board, Malawi

    Lilongwe Water Board (LWB) is currently unable to meet Lilongwe City's water demand as evidenced by low supply coverage (65%) and intermittent water supply in the city. One of the major challenges is high levels of unaccounted for water (UFW) reported at 37% (2012), higher than the recommended 23% for developing countries. This study, done in Lilongwe City (Areas 15, 18 and 28), investigated ...


    By IWA Publishing

  • Advanced Water Quality Techniques Course

    Abstract:The development of a strategic water quality monitoring program is based on prioritizing risks to public safety and economic reality. The development of global standardized methods and protocols for automated water quality monitoring would facilitate international communication of water quality information and comparison of standardized methods and protocols. The three primary methods ...


  • Water conservation in the Gulf Cooperation Council countries: a decision support system approach

    Freshwater sources are very limited in the Gulf Cooperation Council (GCC) countries. Their capital abundance and coastal locations enabled them to produce freshwater through desalination and supply water to customers at highly subsidised price. However, due to the sharp increase in population and misuse of freshwater, there are shortages in water supply. The GCC countries need to take appropriate ...


    By Inderscience Publishers

  • Case study - The Philadelphia Water Department (PWD)

    Service: Sahara Leak Detection Client: The Philadelphia Water Department (PWD) Project Date: 2007 Type of Pipelines: Transmission Mains Diameter: 16 to 60-inch Pipe Material: Cast Iron Dutile Iron Steel Length: 22.2 miles Results: 47+ leaks identified The Philadelphia Water Department (PWD) has focused on water loss management programs for the past decade ...


    By Pure Technologies

  • Developing solutions for today and tomorrow case study

    Challenge: To improve compliance performance, a national foodservice distribution company contracted with Antea Group to develop and implement a corporate-wide environmental compliance audit program throughout the United States.  Faced with an aggressive six-week project completion deadline, Antea Group scheduled multiple local audit teams to ...


    By Antea Group - USA

  • Save money, save carbon

    As a way of saving money in a financially difficult time, engaging in a resource efficiency programme can help organsations cut costs from waste, water, packaging, emissions and supply chain wastage. Embedding a resource efficient approach to procurement business can proactively work with suppliers that offer cost effective solutions as well as environmentally preferable options. In the UK there ...


    By Crowberry Consulting

  • Devolution as a barrier to Environmental Reform: assessing the response to the review of Environmental Governance in Northern Ireland

    Keywords: Sustainable development, environmental NGOs (ENGOs), environmental regulation, environmental governance, DOE(NI), devolution When devolution was restored in Northern Ireland in 1998 there was finally hope that after decades of unresponsive government by Direct Rule a new era of political accountability was beginning. The Good Friday Agreement was first and foremost a peace ...


  • Integrated Environmental Risk Management in Real Estate Transactions

     Traditional risk management posits a rational, five-step process for managing risks. The outstanding differences between this traditional process and the environmental risk management process lie in the technicality and complexity of step one (identifying and analyzing environmental risk) and of the first part of step two (examining the feasibility of  alternative risk management, ...

  • InfoNet: Properties and Customers Affected by a Mains Repair

    Wallingford Software’s asset and database management solution, InfoNet, has multiple uses within a water company. This new series of articles examines practical uses for InfoNet within a utility, highlighting the processes that can be optimized. One key use for InfoNet within water distribution companies is as a tool to assist in planning mains rehabilitation work. As the utility can determine ...


    By Innovyze

  • 5 Things We Learned in 2013 that Could Move the Needle on Sustainability

    Two and a half millennia ago, Plato announced that “Human behavior flows from three things: desire, emotion, and knowledge.” Unfortunately, our human and corporate behavior on climate change is not even close to where it needs to be. But if the great philosopher was right (and he usually was), 2013 may have been a game changer. Gains in “desire” and “emotion” ...

  • Minimizing Refrigerant Emissions in HVAC Systems

    Managing the operation and maintenance of a facility's air conditioning equipment has always been a major responsibility, as chillers often represent the single largest electrical load in a facility. Since the annual cost of operating chillers is a major ...


    By IHS

  • Reducing the risk of dust explosion hazards

    In the wake of recent tragic and highly publicized dust explosions, companies are asking, 'Could that happen here?' and 'What can I do to prevent such an incident at my facility?' One approach is to manage dust explosion hazards as though they were subject to OSHA’s Process Safety Management (PSM) requirements (29 CFR 1910.119), even though dust hazards often are not covered under this ...


    By ABS Consulting

  • MEGTEC innovation cuts flexible packaging manufacturer’s energy bills by $10,000 a month

    Saving money on its energy bills turned out to be a lot of hot air for flexible packaging innovator Shields Bag & Printing. As a custom blown film extruder, Shields Bag extrudes, prints and converts film for flexible packaging products used in a wide range of industries. The company produces more than 100 lines of products that are shipped to clients all over the world, from produce bags to ...


    By Babcock & Wilcox MEGTEC

  • Energy efficiency: la Compagnie des Fromages counts on innovation with Emerson technologies

    The subsidiary of the Bongrain Group is pursuing a policy to reduce its energy usage and CO2 emissions by investing in a facility designed by Cofely Axima, a leader in industrial refrigeration and a subsidiary of GDF Suez. This solution stands out for its use of a process that heats and cools within a single cycle and its use of key components supplied by the Emerson Group – a Vilter ...

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