{"id":4128,"date":"2026-03-12T19:09:32","date_gmt":"2026-03-12T19:09:32","guid":{"rendered":"https:\/\/nano-test.de\/?p=4128"},"modified":"2026-04-12T07:29:35","modified_gmt":"2026-04-12T07:29:35","slug":"legionellen-pfas-im-trinkwasser-risiken-und-testmoeglichkeiten","status":"publish","type":"post","link":"https:\/\/nano-test.de\/en\/2026\/03\/12\/legionellen-pfas-im-trinkwasser-risiken-und-testmoeglichkeiten\/","title":{"rendered":"Legionella &#038; PFAS in drinking water: risks and test options"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"4128\" class=\"elementor elementor-4128\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-431cfe8 ts-col-stretched-none ts-bg-color-over-image elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"431cfe8\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3f78725d ts-bg-color-over-image\" data-id=\"3f78725d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9d341ac elementor-widget elementor-widget-text-editor\" data-id=\"9d341ac\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 data-section-id=\"j629j0\" data-start=\"542\" data-end=\"584\"><span style=\"color: #000000;\">Legionella &amp; PFAS in drinking water<\/span><\/h2><p data-start=\"586\" data-end=\"854\"><span style=\"color: #000000;\">Trinkwasser gilt in Deutschland als sicher, <strong data-start=\"630\" data-end=\"640\">jedoch<\/strong> k\u00f6nnen Legionellen und PFAS (Per- und polyfluorierte Alkylsubstanzen) das Wasser belasten. Beide stellen <strong data-start=\"746\" data-end=\"773\">gesundheitliche Risiken<\/strong> dar, deshalb ist es wichtig, die Belastung zu kennen und bei Bedarf zu testen.<\/span><\/p><hr data-start=\"856\" data-end=\"859\"><h2 data-section-id=\"77691j\" data-start=\"861\" data-end=\"885\"><span style=\"color: #000000;\">What are Legionella?<\/span><\/h2><p data-start=\"887\" data-end=\"1293\"><span style=\"color: #000000;\">Legionellen sind Bakterien, die sich besonders in <strong data-start=\"937\" data-end=\"988\">Warmwasserleitungen, Boileranlagen oder Duschen<\/strong> vermehren. Infektionen erfolgen meist durch das <strong data-start=\"1037\" data-end=\"1069\">Einatmen von Wassertr\u00f6pfchen<\/strong>. Besonders in Duschen, Whirlpools oder Nebelanlagen k\u00f6nnen sie eingeatmet werden. (<a class=\"decorated-link\" style=\"color: #000000;\" href=\"https:\/\/www.bwt.com\/de-ch\/loesungen-fuer-geschaeftskunden\/wasserkonditionierung\/trinkwasser\/legionellen\/?utm_source=chatgpt.com\" target=\"_new\" rel=\"noopener\" data-start=\"1153\" data-end=\"1290\">BWT.de<\/a>)<\/span><\/p><h3 data-section-id=\"x8zyvw\" data-start=\"1295\" data-end=\"1319\"><span style=\"color: #000000;\">Risks and Symptoms<\/span><\/h3><ul data-start=\"1320\" data-end=\"1408\"><li data-section-id=\"1uo4xiz\" data-start=\"1320\" data-end=\"1359\"><p data-start=\"1322\" data-end=\"1359\"><span style=\"color: #000000;\">Pontiac fever: mild, flu-like<\/span><\/p><\/li><li data-section-id=\"f7k6dx\" data-start=\"1360\" data-end=\"1408\"><p data-start=\"1362\" data-end=\"1408\"><span style=\"color: #000000;\">Legionary Disease: Severe Pneumonia<\/span><\/p><\/li><\/ul><p data-start=\"1410\" data-end=\"1651\"><span style=\"color: #000000;\">Gef\u00e4hrdete Gruppen sind \u00e4ltere Menschen, Raucher und Personen mit geschw\u00e4chtem Immunsystem. (<a class=\"decorated-link\" style=\"color: #000000;\" href=\"https:\/\/www.rki.de\/DE\/Themen\/Infektionskrankheiten\/Infektionskrankheiten-A-Z\/L\/Legionellose\/OEGD\/Hygiene-Trinkwasserinstallationen.html\" target=\"_new\" rel=\"noopener\" data-start=\"1503\" data-end=\"1648\">RKI.de<\/a>)<\/span><\/p><hr data-start=\"1653\" data-end=\"1656\"><h2 data-section-id=\"14xux4e\" data-start=\"1658\" data-end=\"1680\"><span style=\"color: #000000;\">PFAS in drinking water<\/span><\/h2><p data-start=\"1682\" data-end=\"1845\"><span style=\"color: #000000;\">PFAS sind synthetische Chemikalien, die sich in der Umwelt und im K\u00f6rper <strong data-start=\"1755\" data-end=\"1769\">anreichern<\/strong>. Sie kommen in Industrieprodukten, Verpackungen und Feuerl\u00f6schschaum vor.<\/span><\/p><h3 data-section-id=\"frhy16\" data-start=\"1847\" data-end=\"1869\"><span style=\"color: #000000;\">Health risks<\/span><\/h3><ul data-start=\"1870\" data-end=\"1940\"><li data-section-id=\"1d1pfev\" data-start=\"1870\" data-end=\"1886\"><p data-start=\"1872\" data-end=\"1886\"><span style=\"color: #000000;\">Liver damage<\/span><\/p><\/li><li data-section-id=\"1uchgse\" data-start=\"1887\" data-end=\"1915\"><p data-start=\"1889\" data-end=\"1915\"><span style=\"color: #000000;\">Hormonal changes<\/span><\/p><\/li><li data-section-id=\"kiz8f7\" data-start=\"1916\" data-end=\"1940\"><p data-start=\"1918\" data-end=\"1940\"><span style=\"color: #000000;\">Increased risk of cancer<\/span><\/p><\/li><\/ul><p data-start=\"1942\" data-end=\"2183\"><span style=\"color: #000000;\">Deshalb empfehlen Experten, Wasser aus <strong data-start=\"1981\" data-end=\"2003\">belasteten Quellen<\/strong> pr\u00fcfen zu lassen. (<a class=\"decorated-link\" style=\"color: #000000;\" href=\"https:\/\/www.lemonde.fr\/en\/environment\/article\/2025\/06\/23\/fish-offal-cereal-and-eggs-are-also-contaminated-by-forever-chemicals_6742613_114.html\" target=\"_new\" rel=\"noopener\" data-start=\"2023\" data-end=\"2180\">LeMonde.fr<\/a>)<\/span><\/p><hr data-start=\"2185\" data-end=\"2188\"><h2 data-section-id=\"1e00727\" data-start=\"2190\" data-end=\"2218\"><span style=\"color: #000000;\">Limits in drinking water<\/span><\/h2><p data-start=\"2220\" data-end=\"2377\"><span style=\"color: #000000;\"><strong data-start=\"2220\" data-end=\"2236\">Legionella:<\/strong> technischer Ma\u00dfnahmenwert <strong data-start=\"2263\" data-end=\"2288\">100 KBE\/100\u202fml Wasser<\/strong>. \u00dcberschreitung erfordert sofortige Ma\u00dfnahmen wie Desinfektion oder Leitungsreinigung.<\/span><\/p><p data-start=\"2379\" data-end=\"2517\"><span style=\"color: #000000;\"><strong data-start=\"2379\" data-end=\"2388\">PFAS:<\/strong> Grenzwerte in Deutschland und der EU werden sehr streng \u00fcberwacht, da schon kleine Mengen gesundheitlich relevant sein k\u00f6nnen.<\/span><\/p><hr data-start=\"2519\" data-end=\"2522\"><h2 data-section-id=\"1pa2xed\" data-start=\"2524\" data-end=\"2543\"><span style=\"color: #000000;\">Drinking Water Test<\/span><\/h2><p data-start=\"2545\" data-end=\"2668\"><span style=\"color: #000000;\"><strong data-start=\"2545\" data-end=\"2566\">Legionellen-Test:<\/strong> Pflicht bei zentralen Warmwasseranlagen, \u00f6ffentlichen Geb\u00e4uden oder Warmwasserspeichern &gt;400\u202fLiter.<\/span><\/p><p data-start=\"2670\" data-end=\"2756\"><span style=\"color: #000000;\"><strong data-start=\"2670\" data-end=\"2684\">PFAS-Test:<\/strong> Sinnvoll bei Brunnenwasser, N\u00e4he zu Industriegebieten oder Flugh\u00e4fen.<\/span><\/p><p data-start=\"2758\" data-end=\"2970\"><span style=\"color: #000000;\">Die Tests werden von zertifizierten Laboren durchgef\u00fchrt, z.\u202fB. <a class=\"decorated-link cursor-pointer\" style=\"color: #000000;\" target=\"_new\" rel=\"noopener\" data-start=\"2822\" data-end=\"2888\">Eurofins Wasseranalytik<\/a>. Dort werden sowohl <strong data-start=\"2909\" data-end=\"2922\">Bacteria<\/strong> als auch <strong data-start=\"2932\" data-end=\"2956\">chemische Substanzen<\/strong> analysiert.<\/span><\/p><hr data-start=\"2972\" data-end=\"2975\"><h2 data-section-id=\"1w48caq\" data-start=\"2977\" data-end=\"2990\"><span style=\"color: #000000;\">Prevention<\/span><\/h2><p data-start=\"2992\" data-end=\"3010\"><span style=\"color: #000000;\"><strong data-start=\"2992\" data-end=\"3008\">Legionella:<\/strong><\/span><\/p><ul data-start=\"3011\" data-end=\"3099\"><li data-section-id=\"4epebo\" data-start=\"3011\" data-end=\"3032\"><p data-start=\"3013\" data-end=\"3032\"><span style=\"color: #000000;\">Hot water &gt;60\u00b0C<\/span><\/p><\/li><li data-section-id=\"vxb5rm\" data-start=\"3033\" data-end=\"3064\"><p data-start=\"3035\" data-end=\"3064\"><span style=\"color: #000000;\">Rinse pipes regularly<\/span><\/p><\/li><li data-section-id=\"lq07se\" data-start=\"3065\" data-end=\"3099\"><p data-start=\"3067\" data-end=\"3099\"><span style=\"color: #000000;\">Avoid stagnant water<\/span><\/p><\/li><\/ul><p data-start=\"3101\" data-end=\"3112\"><span style=\"color: #000000;\"><strong data-start=\"3101\" data-end=\"3110\">PFAS:<\/strong><\/span><\/p><ul data-start=\"3113\" data-end=\"3215\"><li data-section-id=\"1s97wvi\" data-start=\"3113\" data-end=\"3162\"><p data-start=\"3115\" data-end=\"3162\"><span style=\"color: #000000;\">Use water filter with PFAS specification<\/span><\/p><\/li><li data-section-id=\"1jjyk0j\" data-start=\"3163\" data-end=\"3215\"><p data-start=\"3165\" data-end=\"3215\"><span style=\"color: #000000;\">Check sources from close to industrial or airport<\/span><\/p><\/li><\/ul><p data-start=\"3217\" data-end=\"3308\"><span style=\"color: #000000;\">In addition, drinking water systems should be maintained regularly to minimize risks.<\/span><\/p><hr data-start=\"3310\" data-end=\"3313\"><h2 data-section-id=\"3tz365\" data-start=\"3315\" data-end=\"3338\"><span style=\"color: #000000;\">FAQ - Frequently Asked Questions<\/span><\/h2><p data-start=\"3340\" data-end=\"3440\"><span style=\"color: #000000;\"><strong data-start=\"3340\" data-end=\"3394\">What are the symptoms of a Legionella infection?<\/strong><\/span><br data-start=\"3394\" data-end=\"3397\"><span style=\"color: #000000;\">Cough, fever, shortness of breath, muscle pain.<\/span><\/p><p data-start=\"3442\" data-end=\"3593\"><span style=\"color: #000000;\"><strong data-start=\"3442\" data-end=\"3497\">When should you do a drinking water test?<\/strong><\/span><br data-start=\"3497\" data-end=\"3500\"><span style=\"color: #000000;\">In the case of a central hot water system, public building or suspected chemical pollution.<\/span><\/p><p data-start=\"3595\" data-end=\"3704\"><span style=\"color: #000000;\"><strong data-start=\"3595\" data-end=\"3641\">Can PFAS be removed from drinking water?<\/strong><\/span><br data-start=\"3641\" data-end=\"3644\"><span style=\"color: #000000;\">Yes, e.g. B. by activated carbon filters or reverse osmosis systems.<\/span><\/p><p data-start=\"3706\" data-end=\"3854\"><span style=\"color: #000000;\"><strong data-start=\"3706\" data-end=\"3742\">Are children particularly at risk?<\/strong><\/span><br data-start=\"3742\" data-end=\"3745\"><span style=\"color: #000000;\">Yes, especially in legionella, children, the elderly and people with immunocompromise are more affected.<\/span><\/p><hr data-start=\"3856\" data-end=\"3859\"><h2 data-section-id=\"x8o1ad\" data-start=\"3861\" data-end=\"3869\"><span style=\"color: #000000;\">Conclusion<\/span><\/h2><p data-start=\"3871\" data-end=\"4151\"><span style=\"color: #000000;\"><strong data-start=\"3871\" data-end=\"3910\">Legionellen und PFAS im Trinkwasser<\/strong> sind relevante Gesundheitsrisiken. Deshalb sind <strong data-start=\"3959\" data-end=\"3980\">Trinkwasser-Tests<\/strong> sinnvoll und gesetzlich vorgeschrieben, wenn Grenzwerte \u00fcberschritten werden k\u00f6nnten. Pr\u00e4ventive Ma\u00dfnahmen sorgen f\u00fcr sicheres Trinkwasser und sch\u00fctzen Ihre Gesundheit.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Legionellen &amp; PFAS im Trinkwasser Trinkwasser gilt in Deutschland als sicher, jedoch k\u00f6nnen Legionellen und PFAS (Per- und polyfluorierte Alkylsubstanzen) das Wasser belasten. Beide stellen gesundheitliche Risiken dar, deshalb ist es wichtig, die Belastung zu kennen und bei Bedarf zu testen. Was sind Legionellen? Legionellen sind Bakterien, die sich besonders in Warmwasserleitungen, Boileranlagen oder Duschen \u2026 <a href=\"https:\/\/nano-test.de\/en\/2026\/03\/12\/legionellen-pfas-im-trinkwasser-risiken-und-testmoeglichkeiten\/\" class=\"more-link\" title=\"Continue reading &amp;lt;span class=\" screen-reader-text>Legionellen &amp; PFAS im Trinkwasser: Risiken und Testm\u00f6glichkeiten\u201c&gt;Continue reading <span class=\"screen-reader-text\">Legionella &amp; PFAS in drinking water: risks and testing opportunities<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":4129,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4128","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-medizinprodukt-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Legionellen &amp; PFAS im Trinkwasser: Risiken und Testm\u00f6glichkeiten | Nano-Test\u00ae<\/title>\n<meta name=\"description\" content=\"Legionellen und PFAS im Trinkwasser k\u00f6nnen Ihre Gesundheit gef\u00e4hrden. 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