Swimming in Profits, Not Drowning in Losses – Successful leak detection and audit methods

As employees of a public utility we all know the importance of providing customers with a reliable water supply. Yet, due to aged infrastructure, and a lack of funds to remedy this, a lot of water is lost due to leaks and illegal abstraction. In this article by Daniel P. Duffy, from the Water Efficiency Magazine (November – December 2017 Issue) non-revenue water is highlighted, together with, successful leak detection and audit methods.


Image Showing Leaking Tap


Every drop of clean water is precious. Unfortunately, 30–50% of water is lost through aging infrastructure. And lost water equals lost revenue to the water service supplier. Water is lost through leaks and cracks in pipes and their fit­tings. Since most infrastructure is underground, it is virtually impossible to visually determine the location of these leaks unless the water has reached the surface (causing ponding and sink holes, structural damage, buckling pavement, etc.), and the exact location may be indeterminate. Leak detection requires special technologies that allow inspectors to precisely determine the location and severity of pipeline leaks. This is a field that continues to grow and advance by utilizing both established technology and by adopting emerging methods.

Water lost through leaks, waste, or simple theft is referred to as non-revenue water, in that it fails to provide revenue to the water supplier because it never reaches its customers. These can be physical losses of water escaping the system, or unaccounted-for water that is not measured due to faulty meters and meters that have been tampered with, poor accounting and bookkeeping, or as a result of human error when reading and recording the water system flow meters. Available and emerging technologies are designed to detect and prevent physical water losses. These will continue over time until they are detected. The accumulation of losses over long durations can result in significant losses even from insignificant leaks. And if water can get out, impurities (soil, bacteria, organics, etc.) can get in and impair the quality of the water, even rendering it unfit to drink.

Continue reading the rest of this article here.

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Sponge Cities

In this latest article from Janice Kaspersen, from the Stormwater magazine, by Forester Network, one gets a look at “China’s sponge cities” and how they choose to rectify their water related problems of stormwater runoff and flooding.

You may have read recently about China’s “sponge cities.” They’re an approach to what we commonly call green infrastructure—an attempt to reduce flooding and infiltrate stormwater runoff in some of the areas most affected by rapid urbanization. China has spent $12 billion so far—with federal and local governments and private developers all contributing—in about 30 different cities to install measures such as permeable pavements, bioswales, green roofs, and wetlands.

Flooding has become a deadly problem in China, especially in major cities. As this Economist article notes, the country’s urban land has more than doubled in the last 20 years, and cities sometimes expand right into the floodplains. “All this is exacerbated by China’s often impetuous approach to urban planning,” the article continues. “When the planners in charge of Beijing designed its roads a few decades ago, for example, sunken underpasses were chosen over elevated interchanges for the reason that they seemed more appealing visually, as well as being cheaper to build. They have also, as it turns out, become a particular source of sodden misery. Beijing has 149 such underpasses in its urban districts. With inadequate drains and pumps, even a single heavy rain can turn them into swimming pools, bringing traffic to a halt in the process.”

One can view the rest of the article here.

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Water Well Journal – December 2017

We have just received our journal subscription for the Water Well Journal for December 2017 (Volume 71 No. 2), which is focuses on groundwater and sustainability. As such one can find information on topics such as the significance of groundwater professionals, case study on flooded wells, as a result of Hurricane Matthew, water treatment and water quality, compressed gas safety, leadership and other related information from the National Ground Water Association (NGWA) such as upcoming events and an index of major articles by month for 2017.


Water Well Journal December 2017

Water Well Journal December 2017

Persons wishing to view this issue or any back issues can email me or check me at my desk.

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Groundwater Use Could Be Significant Source of Carbon Dioxide

Based on a recent study in the United States, groundwater use has been linked to the release of carbon dioxide into the atmosphere, due to groundwater depletion. Read on for further details on this unique study presented in a recent press release by the American Geophysical Union (AGU) on 16th November, 2017.

Source: Groundwater Use Could Be Significant Source of Carbon Dioxide

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Water Resources Materials Available

Some of the water resources materials that can be accessed through the library are presented below in the image gallery.

Persons interested in viewing any of these documents can send me an email or visit me at my desk.

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Available Materials on Groundwater

I have taken this opportunity to highlight some of the available materials on groundwater, as seen in the gallery below. There is a newer version to the text Groundwater for Geophysics edited by R. Kirsch, however, the one highlighted below is regarded as a good reference resource for the detection of groundwater sources through the use of geophysics. Persons wishing to view any of these resources can email me or visit me at my desk.

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Radical Rehab – Processes, procedures, and products to restore water and sewer pipes

In the November- December 2017 issue of the Water Efficiency magazine one gets a look at the changes being undertaken in the United States to replace the outdated water and wastewater systems.

Article by Lori Lovely 8th November, 2017

More than a million miles of underground pipes carry water to our homes, schools, hospitals, and businesses. These pipes last a long time, but pipes placed during the late 19th century through the middle of the 20th century are nearing—or have already reached—the end of their useful life.

More than a decade ago, the American Water Works Association announced the dawn of the replacement era and the need to rebuild the water and wastewater systems inherited from previous generations. In addition, population growth has increased the demand for water service, placing greater stress on existing pipes and requiring utilities to expand coverage by adding larger pipe networks and repair or refurbish those in use.

The AWWA estimates that the cost will exceed $1.7 trillion through 2050 in order to maintain current levels of water service, with replacement accounting for 54% of the total, and the rest attributed to population growth and migration. Putting it off will only result in poor water service with more disruptions and increasing costs for emergency repairs as pipes fail. The national-level investment facing utilities will roughly double from about $13 billion a year in 2010 to almost $30 billion annually by the 2040s for replacement alone.

Click on the following link to continue reading the rest of the article from the Water Efficiency Magazine – Radical Rehab – Processes, procedures and products to restore water and wastewater pipes

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Earth & Space Science News Magazine – November 2017

Persons can now access the EOS Earth & Space Science News Magazine Volume 98 No. 11 from the American Geophysical Union (AGU) to read relevant articles on topics such as flooding, El Nino, air pollution, Prince Sultan International Prize for Water, coastal and ocean modeling and others, as well as, relevant AGU news.

EOS Nov-17_cover

Cover of EOS Earth & Space News 98 11

Persons who wish to view this magazine, or any back issues can email me or visit me at my desk.

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WMO Bulletin 66 2 – 2017

The journal of the World Meteorological Organization (WMO), the WMO Bulletin Volume 66 Issue 2 for 2017 is now available for loan.

This issue discusses sustainable development goals, water management, disaster risk, early warning systems, climate forecasting, wind energy, as well as, other relevant topics related to weather, water and climate.


Cover of WMO Bulletin 66 2

Cover of WMO Bulletin 66 2

Persons wishing to view this journal can email me or visit me at my desk.

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GWP-C WACDEP Initiative on Climate-Proofing Water Investment in the Caribbean — caribbeanclimate

The Global Water Partnership-Caribbean (GWP-C) has embarked on a new initiative under its Water, Climate and Development Programme (WACDEP) called “Climate-Proofing Water Investment in the Caribbean” which is being executed in partnership with the Caribbean Community Climate Change Centre (CCCCC). The initiative includes the development of a Caribbean Climate Resilience and Water Security Investment Framework and Financing Plan (CReWSIP) which […]

via GWP-C WACDEP Initiative on Climate-Proofing Water Investment in the Caribbean — caribbeanclimate

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