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Drinking water, in many developed countries, has stringently controlled standards. Therefore, it is hard to imagine that water for human use delivered through taps, shower heads and other sources within buildings could contain harmful pathogens. However, water distribution systems are increasingly recognized as a source of infection, particularly in areas with immunocompromised patients.

The main causes for bacterial growth in water systems within buildings are water stagnation, inappropriate water temperatures, and dead ends. These factors, plus the presence of particles and nutrients, contribute to the rapid formation of biofilm. Biofilm is extremely difficult to eradicate once established. Bacteria are released from the biofilm into the water stream, and reach users when taps or showers are opened. People with weakened immune defenses are particularly at risk.

Pall Medical offers a broad product portfolio covering water system monitoring and environmental surveillance, and specialized filtration from the point of building entry through the point of use at taps, showers and other water sources (water filtration video). This portfolio assures the highest filtration efficiency for particles and waterborne pathogens in water networks and supports comprehensive water safety plans.