Interactive US Water Hardness Map
Hard water is an issue throughout the United States; as much as 85 percent of the nation's households have a hard water level ranging from slightly to extremely hard.
Do I live in a hard water area?
We often hear customers ask "what is the water hardness in my area?" Determining water hardness in your area can be a daunting task. We have created the above USA water hardness map to help inform consumers. This tool should give you a starting point in finding solutions to your water concerns. So what is my water hardness? Each state has a water hardness chart that can assist in finding your cities specific water hardness measurement. For water hardness info by zip code, please contact your local water authority.