Gujan-Mestras
Yes. Tap water in Gujan-Mestras is low risk. Safe to drink from the tap.
Is it safe?
So'bass
Low risk
Safe to drink from the tap
100% of bacterial tests passed and 100% of chemical tests passed, from 71 samples.
Supplied by So'bass.
Hardness: Soft (8.6 °f).
Source
French Ministry of Health drinking water checks (data.gouv.fr).
Period covered: January to September 2026.
Covers communes of roughly 1,000 people or more. Ratings weigh how many bacterial and chemical tests passed. A single failed test does not by itself lower a rating. Hardness is the median measured this year, in French degrees.
Common questions
Can I drink the tap water in Gujan-Mestras, Nouvelle-Aquitaine?
Yes. Tap water in Gujan-Mestras is low risk. Safe to drink from the tap.
Where do these ratings come from?
French Ministry of Health drinking water checks (data.gouv.fr). Period covered: January to September 2026.