Hello. To test the water for lead in your home, start by examining water quality reports provided by your local government. Additionally, you can purchase lead tests for home use, available from Lead Paint Testing stores. Follow the instructions for collecting water samples and testing them. If you have any doubts or tests that show exceeding the norms, it is recommended to contact a professional laboratory for a more accurate and detailed analysis. By ensuring the safety of water in your home, you are taking care of the health of your family.