Frequent Questions

What factors did the Agency consider in deciding what should be the first group of contaminants to be addressed under the new Drinking Water Strategy?

The Agency considered several factors in evaluating which contaminants might effectively be regulated as a group. Some of these factors included whether the contaminants in the group: (a) have a similar health endpoint, (b) can be measured by the same analytical methods, (c) can be treated using the same technology or treatment technique approach and/or (d) have been shown to occur individually. They may also be likely to occur together (i.e., co-occur). EPA conducted extensive national outreach to solicit input from stakeholders and stakeholders generally agreed that these were some of the more important factors to consider in evaluating which contaminants would work best in a group regulation.

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