Cesspool

s. pozo negro, sentina, sumidero

sentina, pozo negro

(n.) = pozo séptico, pozo ciego, fosa séptica
Ex: Waste water in these towns is poured into cesspools and ravines near the houses.

SPA: Pozo séptico, Pozo Negro, Fosa Séptica.
A lined excavation in the ground which recieves the discharges of a drainage system, designed as to retain the organic matter and solids discharged, but letting the liquids seep through the bottom and sides.