Question 1

What is the population of Montaigu?

Accepted Answer

The commune of Montaigu has 421 inhabitants per the INSEE census.

Question 2

Are there natural risks in Montaigu?

Accepted Answer

Yes, Montaigu is exposed to 6 natural risk(s): Glissement de terrain, Inondation, Mouvement de terrain, Par une crue à débordement lent de cours d'eau, Séisme, Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Montaigu?

Accepted Answer

Out of 42 ADEME EPCs available in Montaigu, the most common label is D. 5% are rated A or B.

Question 4

What is the crime rate in Montaigu?

Accepted Answer

In 2025, the crime rate in Montaigu 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 Montaigu?

Accepted Answer

Tap water in Montaigu is non-compliant on some parameters. Source: ARS / Hub'eau. (477 analyses over 12 months) Exceedances were observed for: bactériologie.

Question 6

What is the air quality in Montaigu?

Accepted Answer

According to LCSQA stations (5-year mean) in Montaigu: PM2.5 : 6.8 µg/m³, NO₂ : 8.8 µg/m³, PM10 : 13.4 µg/m³. Source: LCSQA / Géod'air.