This might help.

Where You Live: Your Drinking Water Quality Reports Online | Consumer Confidence Reports | US EPA

Environmental Protection Agency - Local Drinking Water Information

I get my water report every year, you should too.
TerraPharma Reviewed by TerraPharma on . Do I need CalMag+? Hello again - Likely a silly question, but after reading the posts re: calmag +, RO water vs. tap and rain... I need to ask. The area I live in has just finished some major work on it's water lines and now my tap water comes out at approx. 80ppm. I have little or no access to other types of water so I'm stuck with this. (I can filter it, but that seems worse - and drops the ppm down below 50) The question is... as I have no idea what the composition of minerals IN the water is... Rating: 5