Tap-ThatOpen the app

Cessy

Tap water in Cessy is medium risk. Generally fine, but a few tests failed this year.

Is it safe?

100%

Regie des Eaux Gessiennes

Medium risk

Generally fine, but a few tests failed this year

100% of bacterial tests passed and 85.3% of chemical tests passed, from 34 samples.

Supplied by Regie des Eaux Gessiennes.

Tests over a limit this year: 1,2,4 Triazole.

Hardness: Moderate (19.7 °f).

Open this system in the app

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 Cessy, Auvergne-Rhône-Alpes?

Tap water in Cessy is medium risk. Generally fine, but a few tests failed this year.

Where do these ratings come from?

French Ministry of Health drinking water checks (data.gouv.fr). Period covered: January to September 2026.