Yes, Plano, TX does have hard water. Hard water contains more minerals than regular water and can create unwanted mineral deposits. Hard water can cause various issues for your home’s plumbing system and should be kept in mind when you are determining how often you need your plumbing systems serviced or inspected. When you live in an area with hard water, it is recommended that you have your water heater flushed at least once a year to ensure it is able to operate efficiently. To get your hard water tested, call us today.