February 2013

As research continues to shed light on disinfection byproducts (DBPs), regulatory limits are tightening. Here Leo P. Zappa, director, municipal water market, for Calgon Carbon Corp., discusses how to achieve compliance. Neda Simeonova: What are some of...
In the summer of 2011, with a statewide drought in its second year, Colby, Kan., began looking to reduce the more than 100 million gal of water lost annually from leaks in its aging transmission system.  City leaders were considering raising water...
The scenario is all too familiar: A utility has upgraded its water management system to automatic meter reading or advanced metering infrastructure, investing millions of dollars to be able to collect data from water meters—data that can help it...
Smart water networks and smart meters are loaded with useful data, but utilities and municipalities worldwide must learn how to manage and best use this unprecedented amount of data in order to take advantage of its benefits. Benefits of correctly...
Chlorine has been the principal disinfectant used in the wastewater industry. The chlorine disinfection process, however, produces inorganic chloramines and chlorinated disinfection byproducts (DBPs), such as trihalomethanes, which are toxic to aquatic...
The Cedar Knox Rural Water Project serves approximately 3,500 people, with 820 hookups across four communities in northeast Nebraska. Its drinking water supply comes from the Lewis and Clark Lake, fed by the Missouri and Niobrara Rivers. Average flow is...
The Frackville Area Municipal Authority (FAMA) Wastewater Treatment Facility (WWTF) in Frackville, Pa., currently operates an Ovivo Airbeam cover aerobic digestion system that was commissioned in October 2010.   FAMA was seeking to upgrade and...
Water and wastewater infrastructure in the U.S. continues to deteriorate as repairs stay on the back burner due to economic uncertainty and lack of funds. To address costly repairs, engineers and end users must think beyond what was good enough in the...
By now, the vast majority of us have updated our antiquated technology. Cassette tapes gave way to CDs, which gave way to digital music, thanks to iTunes and MP3s. The clunky cell phones of the 1980s have fallen, and smaller, sleeker models have risen in...
Nestled among the cottages and barns between the towns of North Salem and Southeast, N.Y., just outside New York City, sits the Peach Lake Environmental Center. What appears to be just another horse stable on the land surrounding Peach Lake actually...

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