Question 1

What is the population of Groisy?

Accepted Answer

The commune of Groisy has 4,044 inhabitants per the INSEE census.

Question 2

Are there natural risks in Groisy?

Accepted Answer

Yes, Groisy 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 Groisy?

Accepted Answer

Out of 138 ADEME EPCs available in Groisy, the most common label is D. 17% are rated A or B.

Question 4

What is the crime rate in Groisy?

Accepted Answer

In 2025, the crime rate in Groisy was 15.9 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 Groisy?

Accepted Answer

Tap water in Groisy is compliant with quality standards. Source: ARS / Hub'eau. (119 analyses over 12 months)

Question 6

What is the air quality in Groisy?

Accepted Answer

According to LCSQA stations (5-year mean) in Groisy: PM2.5 : 9.6 µg/m³, NO₂ : 16.9 µg/m³, PM10 : 16.9 µg/m³. Source: LCSQA / Géod'air.