I have a new dishwasher and want to know the hardness of water. Do you test for that?
See Table 1 on the Consumer Confidence Report for your area.

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1. Does the DWP add fluoride or anything else to the water?
2. Where does my tap / drinking water come from? How is it treated or purified?
3. I have a new dishwasher and want to know the hardness of water. Do you test for that?
4. Why does my water look milky or cloudy when it comes out of the faucet?