For First Draw we have terms and definitions in 2 topics. The topics are Environment and Plumbing.

First Draw (Environment)

The water that comes out when a tap is first opened, likely to have the highest level of lead contamination from plumbing materials.

First Draw (Plumbing)

Water that has been sitting in pipes or plumbing fixtures overnight and is first drawn when taps are opened in the morning. For instance, where lead is present in plumbing, this water would have the highest levels of lead contamination.

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