There are minerals and chemicals in the water, sometimes even lead. Lead is more often from your service line these days. They test the quality at various points and times and estimate the chlorine needed to keep bacteria down without over-chlorinating it. We’re seeing more background pharmaceuticals and industrial chemicals now. So may people drink bottled water or use filters.
Often the water is not “CLEAR” because of disturbances of the system such as a fire hydrant being tested up the street. They say such calcium is not harmful. You be the judge.
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