Something I realised!

because different municipalities have different guidelines for water quality assurance. i know some may put more fluoride than others (which are making the friggin frogs gay) and some may not as long as its within the national health guidelines. also depends what the source is!

Pure water has no taste. However the water we drink isn't pure. The various minerals, chemicals, and other additives contribute to the taste.

it's not pure water

My water at home (deep ground well) tastes far better than the town water at my job or the water at the town nearest to my home, don't get me started on the water in the two nearest cities which tastes like garbage can drippings and rust, respectively.

Water taste depends on the gasses dissolved in it. Read book you pieces of shit