Saint-Martin-Longueau
No. Tap water in Saint-Martin-Longueau is critical risk. Repeated bacterial failures: use bottled or boiled water and check local advice.
Is it safe?
Synd des Eaux de Saint Martin Longueau
Critical risk
Repeated bacterial failures: use bottled or boiled water and check local advice
83.3% of bacterial tests passed and 96% of chemical tests passed, from 25 samples.
Supplied by Synd des Eaux de Saint Martin Longueau.
Tests over a limit this year: E. coli bacteria, Enterococci bacteria, Pesticide residue (chloridazon).
Hardness: Hard (31.9 °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 Saint-Martin-Longueau, Hauts-de-France?
No. Tap water in Saint-Martin-Longueau is critical risk. Repeated bacterial failures: use bottled or boiled water and check local advice.
Where do these ratings come from?
French Ministry of Health drinking water checks (data.gouv.fr). Period covered: January to September 2026.