On the Lookout for Legionella

Legionella occurs naturally in the environment and is most commonly found in water. These bacteria thrive in warmer environments, so they are often found in hot tubs, hot water tanks, cooling towers, larger plumbing systems and decorative fountains.  

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Proper testing & maintenance help prevent deadly Legionella outbreaks

About The Author: 

Marianne Metzger is vice president of sales and marketing for CNA Environmental. Metzger can be reached at marianne@cnawater.com.

Publication Date: 
June 16, 2014
Activation Date: 
June 16, 2014
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The Impact of Safe Water

On the shores of Lake Victoria in Uganda there is a rural community called Maruba. Rain is rare, so the people of Maruba used to rely on the lake as their only source of freshwater. Unfortunately, it was teeming with microbiological contaminants that cause waterborne diseases such as schistosomiasis, dysentery and diarrhea. The water was further contaminated by pesticides used by local farmers to treat crops. Rain would wash these harmful chemicals into the lake.

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Solar-powered treatment system provides clean water for Uganda community

About The Author: 

Lauren McCarter is development assistant for Water Missions Intl. McCarter can be reached at lmccarter@watermissions.org or 843.769.7395.

Publication Date: 
February 6, 2014
Activation Date: 
February 6, 2014
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Scale-Control Solution Receives Patent for Reducing Deposits

Source: 
Blue Earth Labs
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Clearitas removes scale, kills bacteria, reduces chlorine demand in utility and commercial water systems

The U.S. Patent and Trademark Office has awarded U.S. Patent 8,518,270 directed to methods encompassing use of the Blue Earth Labs’ Clearitas (formerly RE-Ox) scale-control solution. This patent, the 10th one held or acquired by the company, broadens the exclusive rights obtained by the previously granted U.S.

Publication Date: 
October 3, 2013

Diving Into Disease

Reading the Centers for Disease Control and Prevention’s (CDC) Web pages on recreational water illnesses (RWIs) is enough to make someone never want set foot in a swimming pool again. From the list of pathogens that can cause RWIs (which includes some nasty fellows, such as Cryptosporidium, Legionella, E. coli and more) to statistics on sources of disease (“on average, people have about 0.14 grams of feces on their bottoms”), the cringe factor is high.

About The Author: 

Kate Cline is managing editor of Water Quality Products. Cline can be reached at kcline@sgcmail.com or 547.391.1007.

Publication Date: 
June 3, 2013
Activation Date: 
June 3, 2013
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Scaling Back Bacteria

The Legionella bacterium, Legionella pneumophila — the fundamental agent of Legionnaires’ disease — is a water-based organism that causes infection when inhaled in aerosol form. Legionnaires’ disease acquired its name in 1976, when an outbreak of pneumonia occurred among attendees of a convention of the American Legion in Philadelphia. Later, the bacterium causing the illness was named Legionella.

Deck: 

Scale prevention helps reduce risk of Legionnaires’ disease

About The Author: 

Jan de Baat Doelman is president of Scalewatcher North America Inc. Doelman can be reached at jan@scalewatcher.com or 610.932.6888.

Publication Date: 
March 20, 2013
Activation Date: 
March 20, 2013
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EPA Updates Rule for Pathogens in Drinking Water

Source: 
U.S. EPA
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Update includes setting a limit for E. coli to better protect public health

The U.S. Environmental Protection Agency (EPA) has updated the rule for pathogens in drinking water, including setting a limit for E. coli to better protect public health.

The Revised Total Coliform Rule ensures that all of the approximately 155,000 public water systems in the U.S., which provide drinking water to more than 310 million people, take steps to prevent exposure to pathogens like E. coli. These types of pathogens can cause a variety of illnesses, with symptoms such as acute abdominal discomfort or, in more extreme cases, kidney failure or hepatitis.

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Publication Date: 
December 21, 2012
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EPA Updates Rule for Pathogens in Drinking Water

Water Research Foundation Launches Two Award Programs

Source: 
Water Research Foundation
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New awards recognize influential researchers and subscribing utilities for contributions to advancing science of water

At its annual Subscriber Breakfast on June 11, the Water Research Foundation announced the inaugural winners of two new award programs. The Research Innovation Award honors researchers and research teams who have made significant contributions to advancing the science of water through foundation-sponsored research. The Outstanding Subscriber Award for Applied Research honors subscribing utilities that have made notable improvements to their treatment, delivery and/or management processes through the successful application of foundation research.

Publication Date: 
June 19, 2012

EPA to Work with Drinking Water Systems to Monitor Unregulated Contaminants

Source: 
U.S. EPA
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Approximately 6,000 public water systems will begin monitoring 28 chemicals and two viruses beginning in 2013

The U.S. Environmental Protection Agency (EPA) recently published a list of 28 chemicals and two viruses that approximately 6,000 public water systems will monitor from 2013 to 2015 as part of the agency’s unregulated contaminant monitoring program.

The program collects data for contaminants suspected to be present in drinking water but that do not have health-based standards set under the Safe Drinking Water Act.

Publication Date: 
May 3, 2012
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EPA to Work with Drinking Water Systems to Monitor Unregulated Contaminants

Phigenics Challenges Accuracy of Conventional Legionella Testing Protocol

Source: 
PR Newswire
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Newly published research paper demonstrates test inaccuracies due to sample holding time

Water management services company Phigenics LLC recently announced the publication of a research paper that demonstrates up to 33% false-positive test results for Legionella bacteria when following conventional sampling methods.

Publication Date: 
May 1, 2012

Final Barrier: Looking Toward the Future

What exactly is final barrier? How does it work? Where does it fit into my business? These are questions asked by many dealers in the water treatment industry. The WQA Aquatech USA 2012 tradeshow, held March 6 to 9, focused on these questions with a mixture of presentations and a focus group discussion.

Protection From Disease

Deck: 

Final barrier technology is poised to provide treatment solutions around the world

About The Author: 

Regu P. Regunathan, Ph.D., is president of ReguNathan Associates Inc. and is a technical consultant to the Water Quality Assn. Regunathan can be reached at regu5@yahoo.com or 630.653.0387.

Publication Date: 
April 24, 2012
Activation Date: 
April 24, 2012
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