I need help, I'm stuck.

Question

How do you translate "urban stormwater runoff" '

Answer 1

Perhaps you could say something like "derrame urbano de aguas residuales (o residuas') de tormentas.
It's a stretch, but maybe will help kickstart a better answer.

Answer 2

In any case is "aguas residuales"

Answer 3

Isabella, please write you quest in the threadtitle!!

You will get more answers.

Answer 4

Desagüe urbano de aguas torrenciales