The Times has an extensive article today on problems with the nation’s drinking water, entitled “That Tap Water Is Legal but May Be Unhealthy.”

The article has a number of thrusts.  One is that, in recent  recent years, the quantity of pollutants entering our waters has substantially increased, and that drinking water regulations have not kept pace with resulting increases in risk. The data supports this observation, while paying for improvements is an ever-present issue.

A few important points about our water supplies, not brought into sufficient relief in the Times article, require further elucidation and investigation to help address these problems.

One major matter to investigate further is the relationship between contamination and water source.  It is indicated in the article that at least some people drinking from unprotected water supplies are more likely to drink certain contaminants than those whose water comes from a protected watershed area or pristine wells.  It is important to further examine both the water and the epidemiological data to learn whether people drinking from unprotected sources need extra levels of protection, and what that protection needs to be.


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