cesspit
US /ˈses.pɪt/
UK /ˈses.pɪt/

1.
an underground tank or pit for storing liquid waste and sewage
:
•
The old farm house relied on a cesspit for its waste disposal.
•
The smell from the overflowing cesspit was unbearable.
2.
a place characterized by filth, corruption, or moral degradation
:
•
The city's underworld was a cesspit of crime and vice.
•
He described the political system as a corrupt cesspit.