Drinking water in Lausanne
5 supply zones — values can differ depending on the district. Below is the zone with the most documented parameters, the others collapsed underneath. To determine the exact match, look up the postcode.
How to read the share of the parametric value
Several samples per year: for chemical parameters the mean value is given, for microbiological ones the highest measured value. There the parametric value is zero — a single finding would disappear in the average, and it is precisely that finding which is the information. Which reference applies is stated in the last column of the table.
ch-lausanne gesamt
Service de l'eau, Ville de LausanneAssigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.
No core values are available for this zone yet.
Postcodes in this zone: 1003 , 1004 , 1005 , 1006 , 1007 , 1010 , 1011 , 1012 , 1015 , 1018
Show 4 more supply zones
Lausanne et communes partenaires
Service de l'eau, Ville de LausanneAssigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.
No core values are available for this zone yet.
Postcodes in this zone: 1003 , 1004 , 1005 , 1006 , 1007 , 1010 , 1011 , 1012 , 1015 , 1018
Provenance de l'eau potable
Service de l'eau, Ville de LausanneAssigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.
No core values are available for this zone yet.
Postcodes in this zone: 1003 , 1004 , 1005 , 1006 , 1007 , 1010 , 1011 , 1012 , 1015 , 1018
réseau de distribution
Service de l'eau, Ville de LausanneAssigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.
No core values are available for this zone yet.
Postcodes in this zone: 1003 , 1004 , 1005 , 1006 , 1007 , 1010 , 1011 , 1012 , 1015 , 1018
réseaux de distribution vaudois approvisionnés par le lac Léman
Service de l'eau, Ville de LausanneAssigned via the water supplier — the exact supply zone boundary within the postcode is not yet linked.
No core values are available for this zone yet.
Postcodes in this zone: 1003 , 1004 , 1005 , 1006 , 1007 , 1010 , 1011 , 1012 , 1015 , 1018
Frequently asked questions about drinking water in Lausanne
- Who supplies the drinking water in Lausanne?
- Service de l'eau, Ville de Lausanne. The values shown here come from the supply zone ch-lausanne gesamt and apply to the water the supplier delivers. What happens between the building connection and the tap — in old lead pipes, for example — is not covered by these analyses; information on that is provided by owners, the health authority or an examination by an accredited laboratory.
General questions — how current the data is, limit of quantification, parametric values, who is behind this site — are answered under Questions & answers.