Guérande
Yes. Tap water in Guérande is low risk. Safe to drink from the tap.
Is it safe?
Saint-Nazaire Agglo - la Carene
Low risk
Safe to drink from the tap
100% of bacterial tests passed and 100% of chemical tests passed, from 105 samples.
Supplied by Saint-Nazaire Agglo - la Carene.
Hardness: Moderate (22.9 °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 Guérande, Pays de la Loire?
Yes. Tap water in Guérande 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.