Question 1

What is the population of Collan?

Accepted Answer

The commune of Collan has 156 inhabitants per the INSEE census.

Question 2

Are there natural risks in Collan?

Accepted Answer

Yes, Collan is exposed to 4 natural risk(s): Inondation, Mouvement de terrain, Par ruissellement et coulée de boue, Tassements différentiels. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Collan?

Accepted Answer

Out of 17 ADEME EPCs available in Collan, the most common label is E. 0% are rated A or B.

Question 4

What is the crime rate in Collan?

Accepted Answer

In 2025, the crime rate in Collan was 0 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 Collan?

Accepted Answer

Tap water in Collan is compliant with quality standards. Source: ARS / Hub'eau. (64 analyses over 12 months)

Question 6

What is the air quality in Collan?

Accepted Answer

According to LCSQA stations (5-year mean) in Collan: PM2.5 : 7.6 µg/m³, NO₂ : 9.0 µg/m³, PM10 : 13.3 µg/m³. Source: LCSQA / Géod'air.