Water challenges

Infection control, the discipline concerned with preventing healthcare-associated infection (HAI), is an essential part of the healthcare infrastructure. In hospitals, HAIs lead to extended hospital stays, contribute to increasing medical costs, and are a significant cause of morbidity and mortality. The waterborne route of infection is increasingly seen as the major contributor to HAI. 

Protection against all waterborne pathogens, such as bacteria, protozoans, fungi, cysts and viruses, is equally crucial in the hospitality industry. 

Waterborne microorganisms proliferate in wet and warm environments, such as piping systems. 

Legionella is probably the best known bacterium in connection with water and disease, as it can strike in even the most hygienic of circumstances. Inhalation of airborne droplets from showers and faucets, medical equipment, or even decorative fountains, is an important transmission route. Other microorganisms associated with high infection risks, especially to immunocompromised patients, include Cryptosporidium, Salmonella, E. Coli, Pseudomonas aeruginosa, and Giardia. 

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Waterborne infections spread through direct contact, such as during hydrotherapy, ingestion of contaminated water, but also through indirect contact and inhalation of aerosols dispersed from water sources. New prevention strategies and control measures include facility remodeling and reconstruction, especially of piping systems in existing buildings. Disinfection and filtration technology are always essential to achieve significant and permanent reductions in waterborne HAIs.

Legionellosis (or Legionnaires disease) is a worldwide phenomenon. It often occurs after breathing in aerosols from a contaminated water source. The mist may come from air conditioning cooling towers, whirlpool spas, showers or faucets, and infect people in homes, workplaces, hospitals, or (semi-)public places such as hotels, restaurants, and swimming pools. Ultrafiltration uses membranes to remove all microbiology, and can be applied at the point of use or at the point of entry.


Pentair Advanced Filtration offers innovative solutions for the healthcare and hospitality industries. Whether applied in hospitals and dental clinics or in hotels and public swimming pools, these solutions protect your staff, patients and guests as well as carefully constructed reputations, while lowering costs and improving efficiency. 

We apply ultrafiltration to remove every possible contaminant from groundwater or mains water, and help you make the right choices for long-term and reliable protection.

Fighting Legionella can be a tall order, especially in older buildings where piping systems are compromised and offer numerous nutritious places for the bacteria to proliferate. Other pathogenic microorganisms can (re-)emerge because they built up resistance to disinfectants. Point-of-entry protection filters all water where it enters the building, and can therefore protect new piping systems. Point-of-use solutions retain all microorganisms just before the water exits the system and are often the best Legionella protection in case of older piping systems.

Treatment solutions

  • UF technology lowers energy and chemicals use
  • Removal of all microbiological contaminants
  • Guaranteed bacteria- and virus-free food preparation, washing and showering
  • Infection control with point-of-entry barrier
  • Infection control with point-of-use solutions

featured cases

Enschede, Netherlands

City water

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