Water

Stormwater Weekly

Could Flint Happen Again? The Road Salt Connection

Could Flint Happen Again? The Road Salt Connection

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Most of us have been following the story of Flint, Michigan’s water supply. What happened—and continues to happen—in Flint is tragic, but it might not be an isolated case.

Here’s a brief recap of the situation: In 2013 Flint decided to stop buying its drinking water from Detroit and instead get  … Read More

Advanced Stormwater Treatment: Dissolved Pollutants

Advanced Stormwater Treatment: Dissolved Pollutants

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Did you know that on average in stormwater, 45% of the phosphorus load and ~50% of the metal load (cadmium, copper, zinc, etc.) is present in dissolved form? And unfortunately, most of these dissolved pollutants travel downstream to our receiving water bodies and wildlife untreated (thanks to physical treatments which  … Read More

Stormwater Systems Benefit from Green Roofs

Stormwater Systems Benefit from Green Roofs

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With their myriad benefits, green roofs are becoming increasingly incorporated into new and existing projects. The International Green Roofs and Walls Project Database lists 1,599 projects totaling 33,334,677 square feet, and the number is growing.

Green roofs—also known as vegetated or garden roofs—are key green infrastructure elements and are being increasingly  … Read More

Zika and the Genetically Modified Mosquito

Zika and the Genetically Modified Mosquito

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Three weeks ago, I mentioned in this blog that the Zika virus had been found in Brazil, and some of the possible consequences. Although it’s not definitively proven, there is evidence that women who are infected with the virus during pregnancy have a higher risk of giving birth to children with  … Read More

Surface Water Master Class Series

Surface Water Master Class Series

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Join industry expert and former two-time IECA president, Dr. David T. Williams, for our 4-part live and on-demand master class series exploring surface water behavior, effects, and techniques from the first rain drops to stream restoration. In this comprehensive series we’ll dive into the surface water details starting with a  … Read More

An (Unwanted) 25-Year Record

An (Unwanted) 25-Year Record

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Many Arkansas residents got an unwelcome Christmas present last month. The US Geological Survey (USGS) is now reporting that the flooding that began on Christmas weekend was the most severe since 1990, and the water levels in many rivers are still high.

Up to 10 inches of rain fell in parts  … Read More

Temporary Diversion Sizing When Working in Waterways

Temporary Diversion Sizing When Working in Waterways

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By Shannon Tillack, Andrew Earles, Ken MacKenzie, and David Bennetts Temporary diversion methods are commonly used to reroute water from a stream or direct flows to a designated portion of the stream channel to allow for construction activities to take place in the stream, along the banks, or beneath the  … Read More

More Power for the Carrot Capital

More Power for the Carrot Capital

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An Australian company is setting up an unusual solar array in the agricultural city of Holtville, CA—known variously as the Winter Salad Bowl and the Carrot Capital of the World—that combines water savings with renewable energy. The company Infratech has devised a floating solar panel array that will sit on  … Read More

The Principles of Gravity Separation – Part 1

The Principles of Gravity Separation – Part 1

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This is the first article in a series on gravity separation, eventually leading to the best method for sizing basins, using field data as confirmation of the method. Gravity separation is a set of unit processes in which gravity removes settleable solids and associated pollutants, floatables, and dispersed petroleum products.  … Read More

Using LiDAR for Water Resources Management

Using LiDAR for Water Resources Management

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The Northwest Florida Water Management District, charged with responsibilities for water supply, water quality, flood control, and ecological protection in Florida’s Panhandle, needed better topographic information to fulfill its mission.

The district partnered with other agencies to fund a comprehensive LiDAR project and share the data publicly. “The need to develop  … Read More

“Don’t Get Pregnant”

“Don’t Get Pregnant”

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We’ve published several articles in Stormwater magazine over the last decade dealing with the question of mosquitoes and stormwater structures. In this article, for instance, the authors—both public health biologists—call on stormwater agencies to work in tandem with the agencies responsible for mosquito control to ensure that infrastructure is maintained  … Read More



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