Question 1

What is the population of Clairefontaine-en-Yvelines?

Accepted Answer

The commune of Clairefontaine-en-Yvelines has 851 inhabitants per the INSEE census.

Question 2

Are there natural risks in Clairefontaine-en-Yvelines?

Accepted Answer

No natural risk is listed for Clairefontaine-en-Yvelines in the GASPAR / Géorisques database.

Question 3

What is the energy performance of homes in Clairefontaine-en-Yvelines?

Accepted Answer

Out of 77 ADEME EPCs available in Clairefontaine-en-Yvelines, the most common label is D. 5% are rated A or B.

Question 4

What is the crime rate in Clairefontaine-en-Yvelines?

Accepted Answer

In 2025, the crime rate in Clairefontaine-en-Yvelines was 9.4 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 Clairefontaine-en-Yvelines?

Accepted Answer

Tap water in Clairefontaine-en-Yvelines is compliant with quality standards. Source: ARS / Hub'eau. (55 analyses over 12 months)

Question 6

What is the air quality in Clairefontaine-en-Yvelines?

Accepted Answer

According to LCSQA stations (5-year mean) in Clairefontaine-en-Yvelines: PM2.5 : 8.9 µg/m³, NO₂ : 7.7 µg/m³, PM10 : 13.0 µg/m³. Source: LCSQA / Géod'air.