Water Testing Solutions Blog

Latest news on water testing innovation

Pseudalert honored with ISO Standard designation

The IDEXX Pseudalert method has been published as the International Organization for Standardization (ISO) worldwide standard 16266-2 for the 24-hour detection of Pseudomonas aeruginosa in water. The ISO designation includes hospital waters, drinking water and swimming/spa pool waters. 

This is a big deal! ISO is a global, widely recognized organization focused on ensuring that products and services are safe, reliable, and of good quality. Because of ISO’s renowned status, it’s not easy to become a standard – doing so requires a rigorous, multi-year evaluation process by a highly regarded international body of experts. 

Listed under ISO 16266-2:2018, Water Quality—Detection and Enumeration of Pseudomonas aeruginosa–Part 2: Most Probable Number Method, the Pseudalert method detects P. aeruginosa in 24 hours, less than half the time of other commercially available methods. It also has high sensitivity and specificity, requires no confirmation steps, and can be more easily used with water samples that have high levels of background flora. Turnaround time is especially critical in the healthcare and hospitality industries, where receiving test results sooner enables facility managers to act more quickly to clean their water systems and protect the safety of patients and visitors. Faster turnaround time for retesting after remediation also reduces the costs of clinical downtime and closed facilities.

The Pseudalert method’s acceptance as an ISO standard marks the second such ISO milestone for an IDEXX Water diagnostic. The IDEXX Colilert®-18 method was published as an ISO standard (ISO 9308-2) in 2012 and was included as one of the two reference methods for coliforms and E. coli in the revised European Union Drinking Water Directive in 2015.

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Testing the Waters in Puerto Rico with Citizen Science

Ten months after Hurricane Maria devastated Puerto Rico, the Surfrider Foundation Rincón Chapter’s Blue Water Task Force is even more committed to providing critical water testing services for local communities.

Hurricane Maria knocked out the infrastructure on the entire island, including the electricity and water supply. In Rincón, the community was accessing water from an untested spring that ran through the town. Unable to use their own laboratory due to lack of electricity, the Blue Water Task Force was fortunate to be able to set up their testing equipment, including the IDEXX Sealer and the IDEXX Colilert and Enterolert tests, at a local health center with a generator to test the water quality for the community. IDEXX has been supporting the Surfrider Foundation in Puerto Rico and other locations with supplies, training and public awareness for several years.

“One thing that really flows to the top after this whole ordeal with the hurricane is the value of a citizen science program or a community-based science program,” said Steve Tamar, Vice Chair of the Surfrider Foundation Rincón Chapter. “We are very grateful for the support that allows us to keep the Blue Water Task force efforts going in Puerto Rico.”

The video below, produced by the Blue Water Task Force, shows how volunteers used citizen science to protect the public health of the community’s most basic need: clean water. Keep a close eye out for cameos from the IDEXX Quanti-Tray Sealer and Colilert and Enterolert tests! 

The Surfrider Foundation is dedicated to the protection and enjoyment of the world’s ocean, waves and beaches through a powerful activist network. With 80 chapters and 70 youth clubs in North America, Surfrider helps to protect 5,656 miles of coastline with a grassroots approach to citizen science and environmental advocacy. 

To learn more about the Surfrider Foundation and their mission to protect our oceans or to find a chapter near you, please visit www.surfrider.org

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Testing the (recycled) Water

The United States Geological Survey (USGS) recently released a report showing that small scale efforts are having a big impact on overall water use in the United States.

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Ah, summertime. The sun, the pool…the diarrhea?

When most of us think of summertime fun, stomach cramps, nausea, rashes, and ear infections aren’t exactly in the top ten. But unfortunately, outbreaks associated with treated recreational water are often caused by pathogens. 

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How healthcare facilities can reduce the risk of patient exposure to Legionella

Legionnaires’ disease cases have gone up by 400 percent in the last 14 years. Healthcare facilities are increasingly on the hook to reduce their patients’ risk from this potentially deadly form of pneumonia. According to the Centers for Disease Control and Prevention (CDC), 9 out of 10 cases of Legionnaires’ disease are preventable.1 New standards, Centers for Medicare & Medicaid (CMS) requirements, news coverage, legal battles, and million-dollar fines are making it clear that facility executives and managers are responsible for taking adequate prevention measures. In fact, with ANSI/ASHRAE Standard 188-2015, Legionella water safety management programs are now an industry standard for large buildings, including most healthcare facilities in the United States.2

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