If you are not performing any Legionella testing or are relying on lab-based testing methods alone, then you are at risk of a Legionnaires' disease outbreak in your building.
The first reason is that Legionella contamination of water sources is common. In a study, the CDC collected water samples from cooling towers across the US and found Legionella pneumophila growing in 27% of towers.1 If you are not performing testing, then you could be missing Legionella contamination in your building, which can lead to serious consequences such as Legionnaires' disease outbreaks, death of workers, and lawsuits.
The second reason is that the most common testing method is Legionella culture, which takes 10-14 days for results, has a 62% false negative rate,2 and underestimates the actual amount of Legionella by an average of 17-fold.3 This exposes your building to the risk of Legionella outbreaks. Spartan has solved this problem by developing the first on-site Legionella qPCR test.
- Llewellyn AC et al. (2017). Distribution of Legionella and bacterial community composition among regionally diverse US cooling towers. PLoS One. 12(12): e0189937.
- Harder C et al. (2018). Spartan Legionella Detection System: An in-field study. Spartan Bioscience.
- Lucas CE, Taylor TH, Fields BS. (2011). Accuracy and precision of Legionella isolation by US laboratories in the ELITE program pilot study. Water Res. 45(15): 4428–4436.