Browsing the "wastewater" Tag

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EPA Regulating Coal Ash

This week the EPA proposed national regulations to govern the safe management and disposal of coal ash from coal-fired power plants. In 2008, an impoundment full of waste coal ash from the Tennessee Valley Authority ruptured. The resulting 1.1 billion gallon spill caused major environmental damage to the surrounding land and water, displaced residents and […]

May 17th

Renewable Energy through Wastewater Treatment

In the continuing evolution of renewable energy innovation, Dayyhulme WwTW of Manchester, England one of the largest wastewater treatment works in the UK, is upgrading to generate electricity from biogas and deliver biosolids to be used as fertilizer. The project is part of United Utilities’ Sludge Balanced Asset Programme. To be completed by the end […]

January 20th

Malibu Bans Septic Systems to Protect Surfers

It’s hard to believe a famous city like Malibu, California would still have polluting septic systems.  With 21-miles of coastline, Malibu is a favorite spot for surfers and water enthusiasts.  The Malibu Surfing Association has led the way in getting the Los Angeles Regional Water Quality Control Board to “prohibit the release of pollutants and […]

December 26th

Silver Nanoparticles Can Mutate and Kill Fish Embryos

Nanoparticles of silver are in more than 200 different products on the market as anti-microbial agents, but scientists are now questioning whether the practice is safe for our environmental and personal health. Nanoparticles, silver in particular, get washed down the drain and into our waterways, exposing fish and other aquatic life and raising big concerns […]

November 25th

Toilet to Tap: Orange County Turning Sewage Water into Drinking Water

The Orange County Water District is purifying wastewater into drinking water at a $481 million recycling plant. The plant uses microfiltration, reverse osmosis, ultraviolet light, and hydrogen peroxide disinfection.  70 million gallons of sewer water is treated a day in Orange County, California meeting the drinking needs of over 500,000 people, including visitors to Disneyland.

March 14th