Question 1

What is the population of Erquinghem-le-Sec?

Accepted Answer

The commune of Erquinghem-le-Sec has 624 inhabitants per the INSEE census.

Question 2

Are there natural risks in Erquinghem-le-Sec?

Accepted Answer

Yes, Erquinghem-le-Sec is exposed to 4 natural risk(s): Engins de guerre, Inondation, Mouvement de terrain, Séisme. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Erquinghem-le-Sec?

Accepted Answer

Out of 37 ADEME EPCs available in Erquinghem-le-Sec, the most common label is C. 8% are rated A or B.

Question 4

What is the crime rate in Erquinghem-le-Sec?

Accepted Answer

In 2025, the crime rate in Erquinghem-le-Sec 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 Erquinghem-le-Sec?

Accepted Answer

Tap water in Erquinghem-le-Sec is compliant with quality standards. Source: ARS / Hub'eau. (18 analyses over 12 months)

Question 6

What is the air quality in Erquinghem-le-Sec?

Accepted Answer

According to LCSQA stations (5-year mean) in Erquinghem-le-Sec: PM2.5 : 11.0 µg/m³, NO₂ : 15.0 µg/m³, PM10 : 17.8 µg/m³. Source: LCSQA / Géod'air.