I need help, I'm stuck.
How do you translate "urban stormwater runoff" '
4 Answers
Desagüe urbano de aguas torrenciales
Isabella, please write you quest in the threadtitle!!
You will get more answers.
In any case is "aguas residuales"
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.