Question 1

What is the population of Mertzen?

Accepted Answer

The commune of Mertzen has 196 inhabitants per the INSEE census.

Question 2

Are there natural risks in Mertzen?

Accepted Answer

Yes, Mertzen is exposed to 4 natural risk(s): Affaissements et effondrements d'origine anthropique (anciennes carrières souterraines, hors mines), Mouvement de terrain, Séisme, Tassements différentiels. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Mertzen?

Accepted Answer

Out of 12 ADEME EPCs available in Mertzen, the most common label is E. 8% are rated A or B.

Question 4

What is the crime rate in Mertzen?

Accepted Answer

In 2025, the crime rate in Mertzen 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 Mertzen?

Accepted Answer

Tap water in Mertzen is compliant with quality standards. Source: ARS / Hub'eau. (42 analyses over 12 months)

Question 6

What is the air quality in Mertzen?

Accepted Answer

According to LCSQA stations (5-year mean) in Mertzen: PM2.5 : 9.9 µg/m³, NO₂ : 17.1 µg/m³, PM10 : 14.4 µg/m³. Source: LCSQA / Géod'air.