For all of "you guys" in Northern Illinois who have city water here's a link to the 1st quarter 2013 report. I think it makes fascinating reading. It also lines up with my getting a pH reading of 7.8 out of the tap. Always nice to know where we are starting with our water.
http://www.cityofchicago.org/conten...erQltyResultsNRpts/ccReports/CCA_2013_1Qt.pdf
http://www.cityofchicago.org/conten...erQltyResultsNRpts/ccReports/CCA_2013_1Qt.pdf