Question 1

What is the population of Grans?

Accepted Answer

The commune of Grans has 5,382 inhabitants per the INSEE census.

Question 2

Are there natural risks in Grans?

Accepted Answer

Yes, Grans is exposed to 8 natural risk(s): Affaissements et effondrements d'origine anthropique (anciennes carrières souterraines, hors mines), Feu de forêt, Glissement de terrain, Inondation, Mouvement de terrain, Par une crue torrentielle ou à montée rapide de cours d'eau, Séisme, Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Grans?

Accepted Answer

Out of 408 ADEME EPCs available in Grans, the most common label is C. 26% are rated A or B.

Question 4

What is the crime rate in Grans?

Accepted Answer

In 2025, the crime rate in Grans was 21 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 Grans?

Accepted Answer

Tap water in Grans is compliant with quality standards. Source: ARS / Hub'eau. (834 analyses over 12 months)

Question 6

What is the air quality in Grans?

Accepted Answer

According to LCSQA stations (5-year mean) in Grans: PM2.5 : 9.2 µg/m³, NO₂ : 11.3 µg/m³, PM10 : 16.1 µg/m³. Source: LCSQA / Géod'air.