Question 1

What is the population of Arrens-Marsous?

Accepted Answer

The commune of Arrens-Marsous has 696 inhabitants per the INSEE census.

Question 2

Are there natural risks in Arrens-Marsous?

Accepted Answer

Yes, Arrens-Marsous is exposed to 6 natural risk(s): Avalanche, Feu de forêt, Inondation, Mouvement de terrain, Séisme, Tassements différentiels. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Arrens-Marsous?

Accepted Answer

Out of 81 ADEME EPCs available in Arrens-Marsous, the most common label is D. 1% are rated A or B.

Question 4

What is the crime rate in Arrens-Marsous?

Accepted Answer

In 2025, the crime rate in Arrens-Marsous 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 Arrens-Marsous?

Accepted Answer

Tap water in Arrens-Marsous is non-compliant on some parameters. Source: ARS / Hub'eau. (644 analyses over 12 months) Exceedances were observed for: bactériologie.

Question 6

What is the air quality in Arrens-Marsous?

Accepted Answer

According to LCSQA stations (5-year mean) in Arrens-Marsous: PM2.5 : 8.5 µg/m³, NO₂ : 10.1 µg/m³, PM10 : 13.9 µg/m³. Source: LCSQA / Géod'air.