Question 1

What is the population of Treillières?

Accepted Answer

The commune of Treillières has 10,414 inhabitants per the INSEE census.

Question 2

Are there natural risks in Treillières?

Accepted Answer

Yes, Treillières is exposed to 14 natural risk(s): Foudre, Grêle, Inondation, Mouvement de terrain, Neige et pluies verglaçantes, Par remontées de nappes naturelles, Par ruissellement et coulée de boue, Par une crue à débordement lent de cours d'eau, Phénomène lié à l'atmosphère, Radon, Séisme, Tassements différentiels, Tempête et grains (vent), Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Treillières?

Accepted Answer

Out of 789 ADEME EPCs available in Treillières, the most common label is C. 17% are rated A or B.

Question 4

What is the crime rate in Treillières?

Accepted Answer

In 2025, the crime rate in Treillières was 19.5 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 Treillières?

Accepted Answer

Tap water in Treillières is compliant with quality standards. Source: ARS / Hub'eau. (174 analyses over 12 months)

Question 6

What is the air quality in Treillières?

Accepted Answer

According to LCSQA stations (5-year mean) in Treillières: PM2.5 : 8.8 µg/m³, NO₂ : 13.9 µg/m³, PM10 : 15.2 µg/m³. Source: LCSQA / Géod'air.