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Knowledge
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- Tap and drinking water in Switzerland
- Facts about Indoor Air
- Facts about Mold
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Water quality in Switzerland
- Water Scarcity and Water Quality
- Drinking Water in Switzerland
- Tap Water in Switzerland: Quality and Controls
- Drinking Fountains in Switzerland
- Water Quality - Canton Basel
- Water Quality - Canton Bern
- Water Quality - Canton Geneva
- Water Quality - Canton Zurich
- NEWS: Zurich Drinking Water Map
- Drinking Water - City of St. Gallen
- Water Quality - City of Baden
- Water Quality - City of Bern
- Water Quality - City of Zurich
- Water Analysis - City Lucerne
- Water Quality - City of Winterthur
- The Water Supply of the City of Thun
- Initiative for Clean Drinking Water
- Nature's Thirst Quenchers: Fountains and Springs on Your Hike
- Partnership with WATER FOR WATER (WfW)
- Help & Services
Water in Switzerland: Quality, Cycle & Importance for Life
Water is the foundation of all life. Humans, animals and plants depend on clean water. The water cycle – from rainfall to groundwater and evaporation – reflects the cycle of life.
At the same time, water pollution and resource waste are among the biggest challenges of our time. Protecting water and maintaining its quality is becoming increasingly important.
Water scarcity in Switzerland: causes and challenges
Despite abundant resources, Switzerland also faces challenges. Climate change and rising consumption are key drivers of water scarcity.
Longer dry periods lower groundwater levels, while demand from households, agriculture and population continues to grow. Water is not evenly distributed – availability, distribution and quality are key issues for water supply systems.
Water pollution: who is responsible?
Water quality in Switzerland is generally very high. However, contamination can still occur – often not due to suppliers, but because of household plumbing systems.
Once water leaves the public network, responsibility shifts to property owners. This means tap water quality should be checked regularly.
Water testing: ensuring safe drinking water
A water test provides clarity about potential contaminants in drinking water. Whether for homeowners or tenants, testing helps identify risks quickly.
With the water test finder, you can select the right analysis in just a few steps:
- choose the appropriate water test
- collect a sample at home
- send it for laboratory analysis
A clear report explains the results and provides actionable recommendations to improve water quality.
👉 Home water testing offers safety and transparency for your drinking water.
Why clean water matters
Clean water is essential for health, environment and quality of life. Even small contaminations can have long-term effects.
Therefore: protect water, test quality and use it responsibly.
More about water
✔ Heavy metals and pollutants
✔ For general drinking water, softeners
✔ Legionella, heavy metals and pollutants
✔ For general drinking water and softeners
✔ Heavy metals and contaminants
✔ Separate bacteria test recommended
✔ Heavy metals and contaminants
✔ Separate bacteria test recommended
✔ Analysis for lead also included
✔ Separate bacteria test recommended
✔ Most common contaminants
✔ Bacteria analysis available separately
✔ Most common pesticides
✔ Glyphosate separate analysis
✔ 20 common PFAS chemicals
✔ Per- and polyfluorinated alkyl substances
✔ 100 Test strips
✔ For general drinking water, water softeners