To cause infection, Legionella must be aspirated making showerheads, water fountains, cooling towers, and, less commonly, taps and drinking fountains points of contamination. In high risk populations, Legionella infection can cause a serious type of pneumonia. The simplest way to prevent infections is to keep Legionella out of building water systems.
For private well owners, basic testing for bacteria and nitrates is recommended by public health authorities, like the EPA or Health Canada, at least once a year. Other contaminants you may only need to test for once, such as hardness or iron, or infrequently, like radon.
Different labs may present the results of a water test a little differently, but one of the key results to look for is total coliform count.
UV light is electromagnetic radiation, light just beyond the visible spectrum. That’s a very important point. Because it’s outside the visible light spectrum, UV light is invisible to the naked eye. You can’t see it! It has germicidal properties. That means it can...
Trojan acquired its first 3D printer six years ago as a way to save time in developing custom parts. There are now two 3D printers running full time.
A UV water treatment system provides a chemical-free, low-maintenance option for disinfection of private water sources, including dug or drilled wells, surface water like lakes, and for harvested rainwater. While each of those sources presents unique water quality challenges which can impact the effectiveness of the UV system, the fundamental premise is the same. For UV to be completely effective, the UVC light generated by the lamp needs to be able to pass through the water unimpeded so that it can inactivate any microorganisms present.
You’ve made the choice to disinfect your well water, great! Now you know your family will be protected from possible waterborne pathogens despite seasonal run-off, the threat of leaking septic tanks, or heavy rains and flooding. Adding disinfection adds to your peace...
One of the most misunderstood things about a UV water treatment system is why the lamp should be changed even though it still appears to be working. Why is it that the useful life is typically defined as 9000 hours, or about one year of continual use? The problem...
Recent advancements are making it more appealing than ever for the dairy industry to replace heat pasteurization in favor of ultraviolet disinfection to sterilize water for its production needs. Complying With the Pasteurized Milk Ordinance (PMO) To comply with the...
The aquaculture industry relies on the quality of water used to incubate fish eggs and rear juvenile fish. Water abundance and purity continue to decrease, while disease concerns found in source waters continues to increase. Aquaculture water treatment has remained a...
Even before COVID-19, Legionella had the distinction of being one of the leading water-borne disease agents in the USA, with reported cases growing more than five-fold from 2000-2017 (CDC). But now, as COVID-19 and stagnant water due to building closures collide, the...
