How do I filter water at my home if I am concerned about water quality?

Different water filters have different functions. Some can make your water taste better, while others can remove harmful chemicals or germs. Visit CDC’s filter page to learn more about home water filters.

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1. Where does my drinking water come from?
2. How is my drinking water regulated?
3. How do germs and chemicals get into my drinking water?
4. How do I filter water at my home if I am concerned about water quality?
5. How can I find out if there has been a violation in our public water standard?
6. Who do I need to contact to find out more information about water quality in my area?
7. How often does the local public water system test my drinking water?
8. What should I do if I want my household water tested?
9. Who should I contact if my water has a funny smell, taste, or appearance?