Question 1

What is the population of Champagne-sur-Oise?

Accepted Answer

The commune of Champagne-sur-Oise has 5,022 inhabitants per the INSEE census.

Question 2

Are there natural risks in Champagne-sur-Oise?

Accepted Answer

Yes, Champagne-sur-Oise is exposed to 2 natural risk(s): Inondation, Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Champagne-sur-Oise?

Accepted Answer

Out of 338 ADEME EPCs available in Champagne-sur-Oise, the most common label is D. 4% are rated A or B.

Question 4

What is the crime rate in Champagne-sur-Oise?

Accepted Answer

In 2025, the crime rate in Champagne-sur-Oise was 22.6 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 Champagne-sur-Oise?

Accepted Answer

Tap water in Champagne-sur-Oise is compliant with quality standards. Source: ARS / Hub'eau. (150 analyses over 12 months)

Question 6

What is the air quality in Champagne-sur-Oise?

Accepted Answer

According to LCSQA stations (5-year mean) in Champagne-sur-Oise: PM2.5 : 9.6 µg/m³, NO₂ : 23.9 µg/m³, PM10 : 15.2 µg/m³. Source: LCSQA / Géod'air.