Question 1

What is the population of Perray-en-Yvelines?

Accepted Answer

The commune of Perray-en-Yvelines has 6,515 inhabitants per the INSEE census.

Question 2

Are there natural risks in Perray-en-Yvelines?

Accepted Answer

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

Question 3

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

Accepted Answer

Out of 492 ADEME EPCs available in Perray-en-Yvelines, the most common label is D. 10% are rated A or B.

Question 4

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

Accepted Answer

In 2025, the crime rate in Perray-en-Yvelines was 25.5 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 Perray-en-Yvelines?

Accepted Answer

Tap water in Perray-en-Yvelines is compliant with quality standards. Source: ARS / Hub'eau. (120 analyses over 12 months)

Question 6

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

Accepted Answer

According to LCSQA stations (5-year mean) in Perray-en-Yvelines: PM2.5 : 8.8 µg/m³, NO₂ : 10.9 µg/m³, PM10 : 13.0 µg/m³. Source: LCSQA / Géod'air.