Under normal conditions tap water is the best for drinking. They already contain minerals such as calcium and others. Tap water is not supposed to have bacteria. Corporations who are selling water filters or other related products have unfairly given tap water a bad reputation, so they can market their products. Tap water is the cheapest and they easiest to get. Just turn on the faucet.
Distilled and ionized water is not harmful to drink, however, it lacks minerals. This water is good for car batteries and water based HVAC systems, because they have problems with mineral deposits. It are not superior to tap water when it come to drinking.
Filtered water may remove minerals that your body needs. They improve the taste of water because they also remove the good minerals that usually don't taste good. Tap water is already filtered for particles.
Unless there is a boil water order, or something unusual with tap water line, tap water is the best choice for drinking.