Also what drinking water are they comparing to that gives 99% of the chlorine intake ? In dutch drinking water chlorine is not used at all, neither for primary disinfection nor to maintain a residual disinfectant in the distribution network. Still doesn't mean that small chlorine intake is bad for your health. Does seem however they use chlorine rich drinking water to justify the extra intake from chlorinated chickens. https://dwes.copernicus.org/articles/2/1/2009/dwes-2-1-2009....