Question 1

What is the population of Helléan?

Accepted Answer

The commune of Helléan has 384 inhabitants per the INSEE census.

Question 2

Are there natural risks in Helléan?

Accepted Answer

Yes, Helléan is exposed to 5 natural risk(s): Mouvement de terrain, Phénomène lié à l'atmosphère, Séisme, Tassements différentiels, Tempête et grains (vent). Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Helléan?

Accepted Answer

Out of 36 ADEME EPCs available in Helléan, the most common label is C. 11% are rated A or B.

Question 4

What is the crime rate in Helléan?

Accepted Answer

In 2025, the crime rate in Helléan 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 Helléan?

Accepted Answer

Tap water in Helléan is compliant with quality standards. Source: ARS / Hub'eau. (29 analyses over 12 months)

Question 6

What is the air quality in Helléan?

Accepted Answer

According to LCSQA stations (5-year mean) in Helléan: PM2.5 : 8.0 µg/m³, NO₂ : 7.0 µg/m³, PM10 : 13.3 µg/m³. Source: LCSQA / Géod'air.