Question 1

What is the population of Altenach?

Accepted Answer

The commune of Altenach has 378 inhabitants per the INSEE census.

Question 2

Are there natural risks in Altenach?

Accepted Answer

Yes, Altenach is exposed to 7 natural risk(s): Inondation, Mouvement de terrain, Par ruissellement et coulée de boue, Par une crue à débordement lent de cours d'eau, Séisme, Tassements différentiels, Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Altenach?

Accepted Answer

Out of 26 ADEME EPCs available in Altenach, the most common label is A. 31% are rated A or B.

Question 4

What is the crime rate in Altenach?

Accepted Answer

In 2025, the crime rate in Altenach 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 Altenach?

Accepted Answer

Tap water in Altenach is compliant with quality standards. Source: ARS / Hub'eau. (327 analyses over 12 months)

Question 6

What is the air quality in Altenach?

Accepted Answer

According to LCSQA stations (5-year mean) in Altenach: PM2.5 : 10.0 µg/m³, NO₂ : 17.0 µg/m³, PM10 : 14.3 µg/m³. Source: LCSQA / Géod'air.