Question 1

What is the population of Marnay-sur-Marne?

Accepted Answer

The commune of Marnay-sur-Marne has 333 inhabitants per the INSEE census.

Question 2

Are there natural risks in Marnay-sur-Marne?

Accepted Answer

Yes, Marnay-sur-Marne is exposed to 2 natural risk(s): Phénomène lié à l'atmosphère, Tempête et grains (vent). Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Marnay-sur-Marne?

Accepted Answer

Out of 22 ADEME EPCs available in Marnay-sur-Marne, the most common label is D. 14% are rated A or B.

Question 4

What is the crime rate in Marnay-sur-Marne?

Accepted Answer

In 2025, the crime rate in Marnay-sur-Marne was 0 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 Marnay-sur-Marne?

Accepted Answer

Tap water in Marnay-sur-Marne is non-compliant on some parameters. Source: ARS / Hub'eau. (97 analyses over 12 months) Exceedances were observed for: bactériologie.

Question 6

What is the air quality in Marnay-sur-Marne?

Accepted Answer

According to LCSQA stations (5-year mean) in Marnay-sur-Marne: PM2.5 : 7.8 µg/m³, NO₂ : 12.7 µg/m³, PM10 : 13.8 µg/m³. Source: LCSQA / Géod'air.