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How often should bathwater be analyzed?
The quality of bathing water is crucial for the safety and well-being of bathers. Invisible microbiological risks such as Escherichia coli , Pseudomonas aeruginosa , or Legionella spp . can cause health problems if the water quality is not regularly monitored. For this reason, the DVSV recommends clear guidelines for the annual frequency of sampling in various bathing facilities. As a GMP-certified laboratory, Valmonas Analytik AG from Steg (Switzerland) offers the standard-c


What does GMP mean and why is it important for all consumers?
Quality assurance in everyday life – brief and easy to understand In our daily lives, we rely on the safety and quality of medicines, cosmetics, and food. Behind this safety lies an important concept: GMP – Good Manufacturing Practice . GMP explained simply Good Manufacturing Practice (GMP) refers to internationally recognized guidelines for quality assurance in the production of sensitive products. The central question is: How do we ensure that a product is consistently good


Pseudomonas & Legionella – underestimated risks in water
Water is the basis of life – but it can also become dangerous when harmful bacteria such as Pseudomonas aeruginosa or Legionella pneumophila multiply in it. These germs occur naturally in the environment, especially in bodies of water and moist soil. In water systems such as drinking water pipes, showers, or swimming pools, they find ideal growth conditions and can multiply rapidly. Danger for vulnerable individuals: Pseudomonas and Legionella can cause serious infections in


Legionella in shower water – The right measures to take in case of contamination
A guide for building managers according to the current regulations (as of March 2025) of the Canton of Valais (SCAV/DVSV). Drinking and shower water systems are sensitive systems. Even with the best maintenance, Legionella bacteria can colonize the pipes. These bacteria can cause serious respiratory illnesses (Legionnaires' disease). The responsible Office for Consumer Protection and Veterinary Affairs (SCAV) has issued clear guidelines on how to proceed in the event of a con


Since September 2025: Who else analyzes your bathwater?
Seit dem 1. September 2025 nimmt das kantonale Labor im Wallis keine Badewasserproben mehr an. Betreiber von Schwimmbädern, Hotels, Fitnessstudios und ähnlichen Einrichtungen sind seither verpflichtet, ihre Analysen an ein akkreditiertes privates Labor zu übergeben. Valmonas Analytik AG in Steg deckt alle geforderten Parameter ab.


Step-by-step guide: How to properly collect bath water samples
Fachgerechte Badewasserproben: Behälter beschriften & desinfizieren, 50 cm vom Rand, 10–30 cm Tiefe, fern von Düsen befüllen. Duschwasser 30–40 °C, vorlaufen lassen.
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