Question 1

What is the population of Saint-Ost?

Accepted Answer

The commune of Saint-Ost has 91 inhabitants per the INSEE census.

Question 2

Are there natural risks in Saint-Ost?

Accepted Answer

Yes, Saint-Ost is exposed to 2 natural risk(s): Rupture de barrage, Séisme. Source: Géorisques / GASPAR.

Question 3

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

Accepted Answer

Out of 6 ADEME EPCs available in Saint-Ost, the most common label is F. 17% are rated A or B.

Question 4

What is the crime rate in Saint-Ost?

Accepted Answer

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

Accepted Answer

Tap water in Saint-Ost is compliant with quality standards. Source: ARS / Hub'eau. (26 analyses over 12 months)

Question 6

What is the air quality in Saint-Ost?

Accepted Answer

According to LCSQA stations (5-year mean) in Saint-Ost: PM2.5 : 7.8 µg/m³, NO₂ : 7.9 µg/m³, PM10 : 13.2 µg/m³. Source: LCSQA / Géod'air.