Drinking water hygiene - Protection against Legionella and other microbiological loads - Here you will find experts, drinking water specialists and help with contamination with Legionella, pseudomonas to a high number of colony-forming units (CFU). Reliable and quick help for legionella and other exceeding of limit values ​​in drinking water. Our goal: to comply with the requirements of the Drinking Water Ordinance, the obligations of the system operator and hygiene in drinking water.