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Water and Wastes Digest Archive

April 2011
Laying the groundwork for improved efficiencyKnowledge is power when it comes to managing an energy-conscious water or wastewater facility. Collecting consumption data via an energy audit empowers operators to pinpoint and address inefficiencies. In an...
Aging infrastructure, resource protection and funding challenges are some of the most important topics in the water and wastewater industry today. All of these are affected by policy, which seems to be in a state of flux lately. Therefore, it seems...
Solar power as a reliable, renewable and redundant utility energy sourceThe only thing more important to a water and wastewater utility than meeting its monthly permit is having affordable power available to run the facilities that clean and treat the...
Predicting future power costs to determine wastewater treatment processesWe hear a lot lately about the rising cost of energy and even more about green and sustainable technologies that are on the market to minimize power use in a wastewater treatment...
Bluegrass State sewer and water departments adopt new telemetry solutionsIn today’s world of increasingly complex technology, two very different utilities with very different issues came to similar solutions regarding their telemetry needs. A quickly...
Advanced Drainage Systems (ADS) engineers recently examined hundreds of feet of ADS high-density polyethylene (HDPE) pipe, part of a storm water drainage project installed in 1987 in the popular resort town of Ocean City, Md. Remote video, hands-on...
When Pennsylvania’s Moscow Sewer Authority (MSA) was researching methods to improve the dissolved oxygen (DO) levels in its wastewater treatment plant’s (WWTP) oxidation ditches in 2001, staff decided to replace an aging brush rotors system. The town...
As the demand for potable water begins to exceed available supply, onsite wastewater treatment gains ground by returning water to the aquifer as close to its origin as possible. These systems, when installed as an alternative to sewers, reduce...
Alabama’s rich mining tradition—a history that dates back nearly two centuries—and the economic lift it provides (a direct and indirect value of about $5 billion, according to a recent economic census) have not been without their downsides. Scars left by...
The Padre Dam Municipal Water District’s water recycling facility provides 2 million gal per day (mgd) of recycled water to areas of San Diego County, supplying approximately 1 mgd to the Santee Lakes and 1 mgd for irrigating local parks, schoolyards and...

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