Question 1

What is the population of Merdrignac?

Accepted Answer

The commune of Merdrignac has 3,140 inhabitants per the INSEE census.

Question 2

Are there natural risks in Merdrignac?

Accepted Answer

Yes, Merdrignac is exposed to 11 natural risk(s): Affaissements et effondrements d'origine anthropique (anciennes carrières souterraines, hors mines), Feu de forêt, Inondation, Mouvement de terrain, 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 Merdrignac?

Accepted Answer

Out of 261 ADEME EPCs available in Merdrignac, the most common label is D. 6% are rated A or B.

Question 4

What is the crime rate in Merdrignac?

Accepted Answer

In 2025, the crime rate in Merdrignac was 38.2 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 Merdrignac?

Accepted Answer

Tap water in Merdrignac is compliant with quality standards. Source: ARS / Hub'eau. (714 analyses over 12 months)

Question 6

What is the air quality in Merdrignac?

Accepted Answer

According to LCSQA stations (5-year mean) in Merdrignac: PM2.5 : 7.9 µg/m³, NO₂ : 9.8 µg/m³, PM10 : 14.2 µg/m³. Source: LCSQA / Géod'air.