Black Hydro Flask, Purchased in 2014.
Bottom seal dot: 2,150 ppm lead; 15,900 ppm arsenic.
The lead is in the bottom “sealing dot” on the outside of the product (see center dot in bottom photo on this post) and does not touch the contents of the water bottle. The leaded sealing dot is usually covered with the colored powder coat enamel of the water bottle — BUT that coating can wear over time (with normal use), and potentially expose the lead on the bottom.
Newer Hydro Flasks (2017 and newer, based on what I have tested) seem to be consistently lead-free! In 2015/2016 Hydro Flask had offered to replace the leaded product with a lead-free product, so it might be worth giving them a call to ask for a lead-free replacement if you have an older product!
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