The river became a dumping ground for sewage.
»We can't treat our oceans like a dumping ground.
We don't want California to become a dumping ground for cheap imports.
Англо-русский строительный словарь. — М.: Русский Язык.С.Н.Корчемкина, С.К.Кашкина, С.В.Курбатова.1995.
свалка (тж. перен.)