Legionella & PFAS in drinking water
Drinking water is considered safe in Germany, however Legionella and PFAS (per- and polyfluorinated alkyl substances) can pollute the water. both places Health Risks dar, that's why it's important to know the load and test it when needed.
What are Legionella?
Legionella are bacteria that multiply in Hot water pipes, boiler systems or showers. Infections are usually caused by the inhalation of water droplets. Especially in showers, whirlpools or fog systems they can be inhaled. (bwt.de)
Risks and Symptoms
Pontiac fever: mild, flu-like
Legionary Disease: Severe Pneumonia
Endangered groups are elderly, smokers and people with a weakened immune system. (rki.de)
PFAS in drinking water
PFAS are synthetic chemicals that are enriched in the environment and in the body. They are found in industrial products, packaging and fire extinguishing foam.
Health risks
Liver damage
Hormonal changes
Increased risk of cancer
Therefore, experts recommend having water from contaminated sources checked. (lemonde.fr)
Limits in drinking water
Legionella: Technical measure value 100 CFU/100 ml water. Exceeding requires immediate measures such as disinfection or line cleaning.
PFAS: Limits in Germany and the EU are very strictly monitored, since even small quantities can be relevant to health.
Drinking Water Test
Legionella test: Mandatory for central hot water systems, public buildings or hot water tanks >400 liters.
PFAS test: Useful for well water, proximity to industrial areas or airports.
The tests are carried out by certified laboratories, e.g. B. Eurofins water analysis. There bacteria and chemical substances are analyzed there.
Prevention
Legionella:
Hot water >60°C
Rinse pipes regularly
Avoid stagnant water
PFAS:
Use water filter with PFAS specification
Check sources from close to industrial or airport
In addition, drinking water systems should be maintained regularly to minimize risks.
FAQ - Frequently Asked Questions
What are the symptoms of a Legionella infection?
Cough, fever, shortness of breath, muscle pain.
When should you do a drinking water test?
In the case of a central hot water system, public building or suspected chemical pollution.
Can PFAS be removed from drinking water?
Yes, e.g. B. by activated carbon filters or reverse osmosis systems.
Are children particularly at risk?
Yes, especially in legionella, children, the elderly and people with immunocompromise are more affected.
Conclusion
Legionella and PFAS in drinking water are relevant health risks. Therefore Drinking Water Tests are useful and legally prescribed if limit values could be exceeded. Preventive measures ensure safe drinking water and protect your health.