The water safety report based on quality measurements for Brescia can be found here.
When you see the map type into the search Bar 'Brescia' then click the pin drop on 'Brescia' to see analysis results
According to the Numbeo water drinkability and accessibility index, tap water has a score of 45 / 100 (100 being best).
Numbeo considers this score to be "Moderate"
1 adult could save about 314$ per year in Brescia 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.