Question 1

What is the population of Grez-sur-Loing?

Accepted Answer

The commune of Grez-sur-Loing has 1,457 inhabitants per the INSEE census.

Question 2

Are there natural risks in Grez-sur-Loing?

Accepted Answer

Yes, Grez-sur-Loing is exposed to 7 natural risk(s): Affaissements et effondrements d'origine anthropique (anciennes carrières souterraines, hors mines), Feu de forêt, Inondation, Mouvement de terrain, Par une crue à débordement lent de cours d'eau, Tassements différentiels, Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Grez-sur-Loing?

Accepted Answer

Out of 137 ADEME EPCs available in Grez-sur-Loing, the most common label is D. 7% are rated A or B.

Question 4

What is the crime rate in Grez-sur-Loing?

Accepted Answer

In 2025, the crime rate in Grez-sur-Loing was 8.4 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 Grez-sur-Loing?

Accepted Answer

Tap water in Grez-sur-Loing is compliant with quality standards. Source: ARS / Hub'eau. (4096 analyses over 12 months)

Question 6

What is the air quality in Grez-sur-Loing?

Accepted Answer

According to LCSQA stations (5-year mean) in Grez-sur-Loing: PM2.5 : 7.0 µg/m³, NO₂ : 7.9 µg/m³, PM10 : 11.2 µg/m³. Source: LCSQA / Géod'air.