Question 1

What is the population of Collonges-sous-Salève?

Accepted Answer

The commune of Collonges-sous-Salève has 3,876 inhabitants per the INSEE census.

Question 2

Are there natural risks in Collonges-sous-Salève?

Accepted Answer

Yes, Collonges-sous-Salève is exposed to 14 natural risk(s): Eboulement ou chutes de pierres et de blocs, Effet de surpression, Engins de guerre, Glissement de terrain, Inondation, Mouvement de terrain, Par lave torrentielle (torrent et talweg), Par remontées de nappes naturelles, Par ruissellement et coulée de boue, Par une crue torrentielle ou à montée rapide de cours d'eau, Radon, Risque industriel, Séisme, Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Collonges-sous-Salève?

Accepted Answer

Out of 192 ADEME EPCs available in Collonges-sous-Salève, the most common label is D. 8% are rated A or B.

Question 4

What is the crime rate in Collonges-sous-Salève?

Accepted Answer

In 2025, the crime rate in Collonges-sous-Salève was 36 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 Collonges-sous-Salève?

Accepted Answer

Tap water in Collonges-sous-Salève is compliant with quality standards. Source: ARS / Hub'eau. (896 analyses over 12 months)

Question 6

What is the air quality in Collonges-sous-Salève?

Accepted Answer

According to LCSQA stations (5-year mean) in Collonges-sous-Salève: PM2.5 : 9.4 µg/m³, NO₂ : 15.1 µg/m³, PM10 : 15.2 µg/m³. Source: LCSQA / Géod'air.