Gex
Yes. Tap water in Gex is low risk. Safe to drink from the tap.
Is it safe?
Regie des Eaux Gessiennes
Low risk
Safe to drink from the tap
100% of bacterial tests passed and 100% of chemical tests passed, from 39 samples.
Supplied by Regie des Eaux Gessiennes.
Hardness: Moderate (18.1 °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 Gex, Auvergne-Rhône-Alpes?
Yes. Tap water in Gex 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.