Question 1

What is the population of Herblay?

Accepted Answer

The commune of Herblay has 31,818 inhabitants per the INSEE census.

Question 2

Are there natural risks in Herblay?

Accepted Answer

Yes, Herblay is exposed to 4 natural risk(s): Inondation, Mouvement de terrain, Tassements différentiels, Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Herblay?

Accepted Answer

Out of 1,421 ADEME EPCs available in Herblay, the most common label is D. 4% are rated A or B.

Question 4

What is the crime rate in Herblay?

Accepted Answer

In 2025, the crime rate in Herblay was 27 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 Herblay?

Accepted Answer

Tap water in Herblay is compliant with quality standards. Source: ARS / Hub'eau. (386 analyses over 12 months)

Question 6

What is the air quality in Herblay?

Accepted Answer

According to LCSQA stations (5-year mean) in Herblay: PM2.5 : 10.4 µg/m³, NO₂ : 22.4 µg/m³, PM10 : 18.4 µg/m³. Source: LCSQA / Géod'air.