I’d bet on some of this being *paint* that some idiot has chosen to pour down a sink or drain (it doesn’t take much). Please don’t do that. It causes widespread, pernicious pollution. If the white stuff is milk – it does happen – then it’s a catastrophe for aquatic ecosystems.
I see streams of mauve
Rivers turned blue
White slick from outfalls
Raw sewage too
And I think to myself, what a wonderful world