Tap-ThatOpen the app

Willerwald

Yes. Tap water in Willerwald is low risk. Safe to drink from the tap.

Is it safe?

100%

Saur

Low risk

Safe to drink from the tap

100% of bacterial tests passed and 100% of chemical tests passed, from 24 samples.

Supplied by Saur.

Hardness: Hard (25.2 °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 Willerwald, Grand Est?

Yes. Tap water in Willerwald 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.