Question 1

What is the population of Oust-Marest?

Accepted Answer

The commune of Oust-Marest has 612 inhabitants per the INSEE census.

Question 2

Are there natural risks in Oust-Marest?

Accepted Answer

Yes, Oust-Marest is exposed to 2 natural risk(s): Inondation, Par remontées de nappes naturelles. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Oust-Marest?

Accepted Answer

Out of 36 ADEME EPCs available in Oust-Marest, the most common label is D. 0% are rated A or B.

Question 4

What is the crime rate in Oust-Marest?

Accepted Answer

In 2025, the crime rate in Oust-Marest 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 Oust-Marest?

Accepted Answer

Tap water in Oust-Marest is compliant with quality standards. Source: ARS / Hub'eau. (17 analyses over 12 months)

Question 6

What is the air quality in Oust-Marest?

Accepted Answer

According to LCSQA stations (5-year mean) in Oust-Marest: PM2.5 : 9.8 µg/m³, NO₂ : 16.2 µg/m³, PM10 : 16.5 µg/m³. Source: LCSQA / Géod'air.