Question 1

What is the population of Saint-Mars-d'Égrenne?

Accepted Answer

The commune of Saint-Mars-d'Égrenne has 640 inhabitants per the INSEE census.

Question 2

Are there natural risks in Saint-Mars-d'Égrenne?

Accepted Answer

Yes, Saint-Mars-d'Égrenne is exposed to 5 natural risk(s): Neige et pluies verglaçantes, Phénomène lié à l'atmosphère, Radon, Séisme, Tempête et grains (vent). Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Saint-Mars-d'Égrenne?

Accepted Answer

Out of 100 ADEME EPCs available in Saint-Mars-d'Égrenne, the most common label is D. 5% are rated A or B.

Question 4

What is the crime rate in Saint-Mars-d'Égrenne?

Accepted Answer

In 2025, the crime rate in Saint-Mars-d'Égrenne 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 Saint-Mars-d'Égrenne?

Accepted Answer

Tap water in Saint-Mars-d'Égrenne is compliant with quality standards. Source: ARS / Hub'eau. (48 analyses over 12 months)

Question 6

What is the air quality in Saint-Mars-d'Égrenne?

Accepted Answer

According to LCSQA stations (5-year mean) in Saint-Mars-d'Égrenne: PM2.5 : 7.8 µg/m³, NO₂ : 13.1 µg/m³, PM10 : 13.2 µg/m³. Source: LCSQA / Géod'air.