Question 1

What is the population of Rians?

Accepted Answer

The commune of Rians has 4,245 inhabitants per the INSEE census.

Question 2

Are there natural risks in Rians?

Accepted Answer

Yes, Rians is exposed to 10 natural risk(s): Affaissements et effondrements d'origine anthropique (anciennes carrières souterraines, hors mines), Eboulement ou chutes de pierres et de blocs, Feu de forêt, Glissement de terrain, Inondation, Mouvement de terrain, Nucléaire, Par une crue torrentielle ou à montée rapide de cours d'eau, Séisme, Tassements différentiels. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Rians?

Accepted Answer

Out of 436 ADEME EPCs available in Rians, the most common label is C. 27% are rated A or B.

Question 4

What is the crime rate in Rians?

Accepted Answer

In 2025, the crime rate in Rians was 21.8 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 Rians?

Accepted Answer

Tap water in Rians is compliant with quality standards. Source: ARS / Hub'eau. (614 analyses over 12 months)

Question 6

What is the air quality in Rians?

Accepted Answer

According to LCSQA stations (5-year mean) in Rians: PM2.5 : 8.5 µg/m³, NO₂ : 12.5 µg/m³, PM10 : 15.5 µg/m³. Source: LCSQA / Géod'air.