Non Revenue Water Articles

  • What is an Aquifer?

    Aquifers are natural formations that store groundwater, but these vital structures are threatened The word “aquifer” means “water bearer.” In the context of hydrogeology, it refers to a natural underground formation of permeable ...


    By Fluence Corporation

  • Jamaica Weighs Decentralized Desalination

    With a growing population and infrastructure woes, existing freshwater resources must be supplemented Jamaica was partially named for its water. Derived from a Taino word “Xaymaca,” Jamaica is literally the “land of wood and water.” But, like many regions gifted with rich water resources, the human ...


    By Fluence Corporation

  • U.S. Sewage and Water Bills Going Up

    Climate change and aging water infrastructure account for some of the sector’s volatility A new report shows that municipal sewage and water bills in United States households have risen by 3.6% over the previous year, bringing the mean U.S. monthly bill to $104. Over a decade, the ...


    By Fluence Corporation

  • City of Park City – Utah, USA - Case Study

    In order to better understand the condition of their buried pipeline network and proactively address potential water loss issues, the city of Park City, Utah engaged Xylem in creating a condition assessment program utilizing acoustic and transient pressure monitoring. While the Park City Municipal Corporation set a goal for Park City to become the “The Best ...

  • Tackling water loss

    Water loss through leaks and non-revenue water are a global issue of monumental scale. A 2018 Consumer Council for Water report revealed that in England alone more than three billion litres of water are lost from leaking infrastructure every day, making water leakage the number-one concern for UK water utilities’ customers. Despite significant manpower-driven efforts to reduce leakage, it ...


    By Gutermann AG

  • Trial in Johor, Malaysia, pinpoints 115 leaks

    Introduction Ranhill SAJ, a subsidiary of Ranhill Holdings Berhad, is an integrated water supply company, involved in the process of water treatment and distribution of treated water to consumers right up to billing and collection. It serves around 3.1 million population and manages 22,175km of pipes over an area of approximately 19,000 square kilometres.  Ranhill SAJ appointed ...

  • Growth, Climate Change Imperil UK Water Future

    Individual conservation and reducing water lost to leaks are first lines of defense “Climate change plus growth ...


    By Fluence Corporation

  • 1 - 20% Decrease in Hagihon`s NRW & Continuous Decline in Pipe Bursts Case Study

    Results from a recent study by HaGihon indicate a substantial improvement in NRW (Non-Revenue-Water) in the DMAs in which Aquarius Spectrum’s system was installed and continuously operated during a period of two years (2014-2015). NRW was reduced in those neighborhoods by 20%, mainly due to locating and fixing hidden leaks and repairing malfunctioning equipment located by Aquarius. In ...


    By Aquarius Spectrum Ltd.

  • Global: Increasing Efficiency with Permanent Leakage Monitoring - Case Study

    Abstract In this paper information from Water Authorities in the USA, Europe, Middle East and Australia that have purchased permanent monitoring leak detection equipment is reviewed and the findings are presented in a structured format that covers the following: Justification for permanent monitoring Evaluating the different product offerings Selecting ...


    By Gutermann AG

  • Israel/Haifa: Cutting water loss by more than half in a rigorous process - Case Study

    Introduction Haifa is Israel’s third-largest city with a population of over 250,000. It is in the very north of Israel, close to the border to Lebanon and beautifully situated on the shores of the Mediterranean Sea. Mei Carmel is a public corporation founded in 2010 as a spin-off from the municipal government with the aim to improving the public service level to the residents of ...


    By Gutermann AG

  • Complex city structure in Taipei - 13 leakages detected - Taipei, Taiwan - Case Study

    In 2014, Leif Koch, DHI, and Ramböll partnered with the Taipei Office of the Trade Council of Denmark and the Taiwan Water Corporation for a pilot project to reduce water loss in Taiwan. These organizations sent a team of leakage engineers and operators to work at a test site on Chijin Island. ...


    By Leif Koch A/S

  • Antalya’s ASAT find more than 100 leaks with ZONESCAN ALPHA – Case Study

    Introduction ASAT is the General Water Directorate for the Antalya region in Turkey. The water company was established as a public authority for all water and wastewater services connected to the Metropolitan Municipality of Antalya. ASAT serves approximately 2.4 million people living within an area of 20,909 km2. The water comes from dozens of deep wells and transported to the customers ...


    By Gutermann AG

  • New Jersey Water Use Exceeding Supplies

    When people think of water scarcity, arid regions such as Israel, Egypt, and Southern California may come to mind, but the availability of clean, potable water may also be endangered in unexpected places, including New Jersey. Residents in some areas of the Garden State are using “tens of millions of gallons” more water than the ...


    By Fluence Corporation

  • What Is Water Scarcity?

    Whether it’s from drought or lack of access, more than a billion people around the world don’t have enough clean water ...


    By Fluence Corporation

  • The case for increasing circular economy systems grows as resources dwindle

    New research from Yale University encourages discussions on how to implement circular economy systems on a larger scale Researchers at Yale University in New Haven, Connecticut, believe that circular economy systems are essential to our long-term survival on a planet with limited resources. While some large companies, including Google, Dell, Philips, and Unilever, and a few ...


    By Fluence Corporation

  • Investigating unaccounted for water and its components in Zomba City water supply system, Malawi

    This study assessed Unaccounted for Water (UFW) in Zomba City, Malawi in 2009 and quantified its real and apparent loss components. The study was carried out in the period January–May 2009 and focussed on three selected water supply zones (Airwing, Malonje and Sadzi) especially for determination of the components of non-revenue water (NRW). Field measurements of flow and utility records formed ...


    By IWA Publishing

  • U.S. utilities increasing water reuse investment

    Decreased technology costs are prompting more municipal water utilities in the United States to invest in new water reuse infrastructure. In fact, a new forecast projects more than $18 billion in water reuse and desalination projects are on tap in 17 states, according to Bluefield Research analysts. Although water scarcity is a conventional driver for this type of project, the analysts say the ...


    By Fluence Corporation

  • Ground-breaking energy-neutral water treatment plant goes online

    A newly upgraded water and wastewater treatment facility in Denmark is reportedly the first energy-neutral facility of its kind in the world. Through 3.19 million euros in upgrades, the Marselisborg Wastewater Treatment Plant has been able to optimize a range of processes to become more energy efficient, said Aarhus Water, which operates the facility for the 200,000 residents of Aarhus. It ...


    By Fluence Corporation

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