Feb 04, 2019

February 2019

As I write this, Chicago is expecting ridiculously cold temperatures in a few days. The forecast is showing a high of -16ºF and a low of -27ºF, and the windchill is expected to be lower than -50ºF. These can be life-threatening temperatures. While my…
Around one year ago, mainstream media began picking up the story of Cape Town’s Day Zero. At the time, officials for the city predicted that its drinking water reservoirs would run dry by April, posing the most visceral water scarcity threat the globe…
Non-revenue water is among one of the top issues facing water utilities today. According to Power Over Energy, an estimated 2.1 trillion gal of treated drinking water leaks from outdated systems in the U.S. each year. The American Water Works Assn.…
The chief operator for a 6-million-gal-per-day (mgd) surface water treatment plant reported enhanced safety regarding chlorine gas for disinfection after using special cylinder containment vessels because they contain leaks while preserving the…
Many traditional systems for supervisory control and data acquisition (SCADA) are not actually sustainable. They may rely too heavily on proprietary hardware and software. They may have licensing fees that hinder expanding the system. Maintenance…
Many utilities throughout North America trust supervisory control and data acquisition (SCADA) systems to monitor their water and wastewater applications. A portion of these utilities are from French-speaking Canada, therefore, providing a means for them…
Throughout history, one of society’s core responsibilities has been to provide clean, running water. In the ancient world, Rome was the most successful at this. The empire’s great aqueducts and indoor plumbing made Roman author Pliny the Elder conclude…
The city of Healdsburg Wastewater Treatment Plant (WWTP) is located 60 miles north of San Francisco in the heart of Sonoma County. Prior to upgrading the facility, the wastewater treatment process consisted of aerated lagoons that discharged into an…
Thermal transfer is a key element of efficient anaerobic digestion (AD) plants. Whether pre-treating or pre-heating feedstocks, improving process efficiency, or treating digestate to pasteurize it or reduce its volume, an increasing number of AD plant…
Since the March 2018 opening of the Anderson Regional Joint Water System (ARJWS) pretreatment facility in South Carolina, complaints of musty-smelling and bad-tasting water have been nonexistent. The complaints have decreased from hundreds each week…
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