avoid tap water, has to much chlorine
Rainwater is complicated, if its accumulated through a roof and gutter de metal and chemicals wash in’
I did want to say your soil holds too much water, you can just water less, high mineral (clayish soil) will be dry on top but nice and damp inside (giggity).
BuuuuuT enough people said to drill holes or add 
you’ve also got some wind burn on da first series of pix.. Where a breeze dries da leaves 