And over half the water systems use Chloramine, not Chlorine. Chloramine does not evaporate like chlorine. According to this article you have to boil it 27 hours just to remove half the chloramine. Also says it should be removed for hydro growing but does not mention soils.You dont need to let chlorine evaporate off tap water nor do you need to pH it if you are growing in quality soil.
Thats just what I think.