There are three forms of chlorine used by the drinking water industry for disinfecting water. The taste of tap water varies depending on where you live and how your municipal water supplier treats or processes the water. Water quality varies from city to city, street to street, and tap to tap. Even the water from your tap can change from one day to the next depending on the water treatment techniques and any blending of different water sources.
Chlorine is one of the most commonly perceived tastes associated with municipal water.
The chemical imparts a slightly acidic taste. There is no single, cure- all filtration system or technique. Different water filters remove different substances from the water. American Water Works Association's Blue Thumb pamphlet Maintenance Saves Water Check every faucet in the house for leaks. A single dripping faucet can waste far more water in a single day than one person needs for drinking in an entire week.