Question 1

What is the population of Collias?

Accepted Answer

The commune of Collias has 1,080 inhabitants per the INSEE census.

Question 2

Are there natural risks in Collias?

Accepted Answer

Yes, Collias is exposed to 15 natural risk(s): Affaissement minier, Affaissements et effondrements d'origine anthropique (anciennes carrières souterraines, hors mines), Eboulement ou chutes de pierres et de blocs, Effondrements localisés, Feu de forêt, Glissement de terrain, Inondation, Mouvement de terrain, Par une crue torrentielle ou à montée rapide de cours d'eau, Radon, Rupture de barrage, Séisme, Tassements, Tassements différentiels, Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Collias?

Accepted Answer

Out of 115 ADEME EPCs available in Collias, the most common label is C. 18% are rated A or B.

Question 4

What is the crime rate in Collias?

Accepted Answer

In 2025, the crime rate in Collias was 26.5 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 Collias?

Accepted Answer

Tap water in Collias is compliant with quality standards. Source: ARS / Hub'eau. (680 analyses over 12 months)

Question 6

What is the air quality in Collias?

Accepted Answer

According to LCSQA stations (5-year mean) in Collias: PM2.5 : 9.8 µg/m³, NO₂ : 17.7 µg/m³, PM10 : 17.6 µg/m³. Source: LCSQA / Géod'air.