Question 1

What is the population of Méry-sur-Oise?

Accepted Answer

The commune of Méry-sur-Oise has 10,015 inhabitants per the INSEE census.

Question 2

Are there natural risks in Méry-sur-Oise?

Accepted Answer

Yes, Méry-sur-Oise is exposed to 2 natural risk(s): Inondation, Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Méry-sur-Oise?

Accepted Answer

Out of 631 ADEME EPCs available in Méry-sur-Oise, the most common label is D. 2% are rated A or B.

Question 4

What is the crime rate in Méry-sur-Oise?

Accepted Answer

In 2025, the crime rate in Méry-sur-Oise was 28.8 offences per 1,000 inhabitants (burglaries, theft, violence, vandalism). Source: SSMSI / French Ministry of the Interior.

Question 5

Is the tap water safe to drink in Méry-sur-Oise?

Accepted Answer

Tap water in Méry-sur-Oise is compliant with quality standards. Source: ARS / Hub'eau. (29441 analyses over 12 months)

Question 6

What is the air quality in Méry-sur-Oise?

Accepted Answer

According to LCSQA stations (5-year mean) in Méry-sur-Oise: PM2.5 : 10.2 µg/m³, NO₂ : 24.1 µg/m³, PM10 : 17.7 µg/m³. Source: LCSQA / Géod'air.