Question 1

What is the population of Saint-Senier-sous-Avranches?

Accepted Answer

The commune of Saint-Senier-sous-Avranches has 1,426 inhabitants per the INSEE census.

Question 2

Are there natural risks in Saint-Senier-sous-Avranches?

Accepted Answer

Yes, Saint-Senier-sous-Avranches is exposed to 16 natural risk(s): Eboulement ou chutes de pierres et de blocs, Engins de guerre, Foudre, Grêle, Inondation, Mouvement de terrain, Neige et pluies verglaçantes, Par remontées de nappes naturelles, Par submersion marine, Par une crue à débordement lent de cours d'eau, Phénomène lié à l'atmosphère, Radon, Séisme, Tassements différentiels, Tempête et grains (vent), Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Saint-Senier-sous-Avranches?

Accepted Answer

Out of 129 ADEME EPCs available in Saint-Senier-sous-Avranches, the most common label is D. 7% are rated A or B.

Question 4

What is the crime rate in Saint-Senier-sous-Avranches?

Accepted Answer

In 2025, the crime rate in Saint-Senier-sous-Avranches was 4.1 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 Saint-Senier-sous-Avranches?

Accepted Answer

Tap water in Saint-Senier-sous-Avranches is compliant with quality standards. Source: ARS / Hub'eau. (27 analyses over 12 months)

Question 6

What is the air quality in Saint-Senier-sous-Avranches?

Accepted Answer

According to LCSQA stations (5-year mean) in Saint-Senier-sous-Avranches: PM2.5 : 9.2 µg/m³, NO₂ : 12.1 µg/m³, PM10 : 15.7 µg/m³. Source: LCSQA / Géod'air.