Question 1

What is the population of Saint-Sébastien?

Accepted Answer

The commune of Saint-Sébastien has 491 inhabitants per the INSEE census.

Question 2

Are there natural risks in Saint-Sébastien?

Accepted Answer

Yes, Saint-Sébastien is exposed to 12 natural risk(s): Affaissements et effondrements d'origine anthropique (anciennes carrières souterraines, hors mines), Avalanche, Eboulement ou chutes de pierres et de blocs, Glissement de terrain, Inondation, Mouvement de terrain, Par remontées de nappes naturelles, Par ruissellement et coulée de boue, Par une crue à débordement lent de cours d'eau, Par une crue torrentielle ou à montée rapide de cours d'eau, Rupture de barrage, Séisme. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Saint-Sébastien?

Accepted Answer

Out of 34 ADEME EPCs available in Saint-Sébastien, the most common label is E. 9% are rated A or B.

Question 4

What is the crime rate in Saint-Sébastien?

Accepted Answer

In 2025, the crime rate in Saint-Sébastien 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 Saint-Sébastien?

Accepted Answer

Tap water in Saint-Sébastien is non-compliant on some parameters. Source: ARS / Hub'eau. (504 analyses over 12 months) Exceedances were observed for: bactériologie.

Question 6

What is the air quality in Saint-Sébastien?

Accepted Answer

According to LCSQA stations (5-year mean) in Saint-Sébastien: PM2.5 : 10.6 µg/m³, NO₂ : 16.4 µg/m³, PM10 : 17.5 µg/m³. Source: LCSQA / Géod'air.