Question 1

What is the population of Mesnil-Saint-Firmin?

Accepted Answer

The commune of Mesnil-Saint-Firmin has 249 inhabitants per the INSEE census.

Question 2

Are there natural risks in Mesnil-Saint-Firmin?

Accepted Answer

No natural risk is listed for Mesnil-Saint-Firmin in the GASPAR / Géorisques database.

Question 3

What is the energy performance of homes in Mesnil-Saint-Firmin?

Accepted Answer

Out of 19 ADEME EPCs available in Mesnil-Saint-Firmin, the most common label is D. 5% are rated A or B.

Question 4

What is the crime rate in Mesnil-Saint-Firmin?

Accepted Answer

In 2025, the crime rate in Mesnil-Saint-Firmin 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 Mesnil-Saint-Firmin?

Accepted Answer

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

Question 6

What is the air quality in Mesnil-Saint-Firmin?

Accepted Answer

According to LCSQA stations (5-year mean) in Mesnil-Saint-Firmin: PM2.5 : 9.9 µg/m³, NO₂ : 13.5 µg/m³, PM10 : 14.7 µg/m³. Source: LCSQA / Géod'air.