Water

Water Efficiency Weekly

Struggling to Serve a Thirsty Public

Struggling to Serve a Thirsty Public

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As utilities across America struggle to afford the repair of aging water infrastructure and climate change impacts water scarcity, the nation’s poor are simultaneously challenged to pay rising water bills. And this ever-expanding economic gap promises to present grave problems within the next decade.

Water rates across the nation are increasing.  … Read More

Fueled by Flowers

Fueled by Flowers

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A field of golden sunflowers stretches along the Neuse River Greenway in Raleigh, North Carolina. Their faces shift, following the sun’s path overhead.  

“Right now it looks like a sea of gold,” Tim Woody, superintendent of the Neuse River Resource Recovery Facility, told North Carolina Public Radio.

The flowers—one of several  … Read More

Cracking the Chemical Mysteries of Concrete

Cracking the Chemical Mysteries of Concrete

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“…As soon as it comes into contact with the waves of the sea and is submerged [it] becomes a single stone mass, impregnable to the waves,” first century author Pliny the Elder wrote of Roman concrete. But how? Scientists have struggled for centuries to determine the secret ingredient that fortifies the  … Read More

Water Efficiency—Reader Favorites

Water Efficiency—Reader Favorites

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Listed below are the top Editor Blogs, Reader Favorite articles, and Water Efficiency magazine articles for you to enjoy. This list is curated based on reader views, search traffic, e-mail click-through, and most commented articles.  … Read More

Contaminants and Cell Function

Contaminants and Cell Function

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As water becomes an increasingly scarce resource, more of it is being recycled and reused. Regulation and policies to protect human and environmental health are of ever-greater importance.  Dr. Edo McGowan has forty years of experience in the development of local, regional, and international programs relating to health aspects of  … Read More

How to Nix Non-Revenue Water With Acoustic Leak Detection

How to Nix Non-Revenue Water With Acoustic Leak Detection

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Providence Water, the public water utility based in the city of Providence, RI, is no small operation. The utility serves more than 17 cities and towns, providing more than 60% of the state’s drinking water. The utility relies on more than 950 miles of piping to deliver this water.  … Read More

How Will Trump’s Proposed Budget Influence the Water Industry?

How Will Trump’s Proposed Budget Influence the Water Industry?

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The Trump administration released a budget proposal recently that EPA Administrator Scott Pruitt explains “respects the American taxpayer.” The plan sets an intention to balance spending in the coming years and invest in infrastructure, but it also suggests significant cuts to most nondefense government agencies. If approved, we wonder what  … Read More

How Smart Meters and Acoustic Sensors Limit Non-revenue Water Loss

How Smart Meters and Acoustic Sensors Limit Non-revenue Water Loss

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The town of Olds in Alberta, Canada, faced a daunting task. The public works and utilities department, serving the town of approximately 8,000, set out in 2007 to decrease the municipality’s total water usage by 10% by January 2017, using the amount of water it consumed in 2006 as a  … Read More

Membranes for Municipal Water and Wastewater Treatment

Membranes for Municipal Water and Wastewater Treatment

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When it comes to water membrane technology, there are currently four different types of membranes, three of which are frequently used for municipal water and wastewater treatment.

Four Membrane Types
The first two classifications are microfiltration and ultrafiltration. The microfiltration and ultrafiltration processes use low-pressure membranes, either immersed in aeration tanks, using  … Read More

A Cosmic Well

A Cosmic Well

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Carl Sagan’s book Pale Blue Dot was inspired by a photograph (below) taken as the Voyager 1 spacecraft left for the edge of the solar system on February 14, 1990. The portrait of our world—taken from 4 billion miles away—reveals the vastness of the cosmos relative to Earth’s pixel-sized fleck of blue.  … Read More

Cybersecurity Strategies for Water Utilities

Cybersecurity Strategies for Water Utilities

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Until recently, water utilities regarded resiliency as a matter of defense against severe weather events. Now cybersecurity threats—including cyber terrorism—have taken a place on the list of water utilities’ top concerns.  … Read More

Pipe Rehabilitation and Trenchless Pipe Repairs for Urban Environments

Pipe Rehabilitation and Trenchless Pipe Repairs for Urban Environments

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The responsibility for repair and maintenance of pipelines is borne by the entity that installed it in the first place. Major pipelines such as interstate aqueducts may be the responsibility of the federal or state governments. Regional storm sewers, sanitary sewers, and water supply mains are managed by county and  … Read More

A Terminal Lake’s Fate

A Terminal Lake’s Fate

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The Salton Sea is a terminal lake with no outlet. It was created by accident between 1905 and 1907, when water from the Colorado River flooded the basin. Since then, it has been fed largely by water flowing from the Imperial Valley’s farms. And today this desert lake is the  … Read More

Preventing Water Loss in Storage Tanks

Preventing Water Loss in Storage Tanks

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A 49-year-old water storage tank leaking water eventually led the town of Chapmanville, WV, to replace its 75-year old water distribution system in 2015. Eventually, it learned that the town’s distribution lines were also leaking like sieves. Together, the distribution lines and leaking storage tank were losing more than half  … Read More



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