According to the WHO, tap water is safe for consumption for 98% of the country.
Tap water country-wide is drinkable.
Some fountains in villages and towns also spout drinking water โ 'eau potable' means 'drinking water', 'non potable' means undrinkable. In the chic capital, there is even the odd drinking fountain gushing sparkling water.
According to the CDC tap water is generally safe for consumption.
According to the Numbeo water drinkability and accessibility index, tap water has a score of 73.65 / 100 (100 being best).
Numbeo considers this score to be "High"
France is a member of the European Union which ensures tap water safety across its countries.
1 adult could save about 569$ per year in France by drinking tap water instead of buying bottled water.
๐ณ Drinking tap water would also help with reducing your plastic footprint and improve environmental pollution.
Like in most countries, water quality and accessibility differs from location to location, therefore it's the best to check the information available on that place.