Cesspool (noun)

A pit or tank for the reception and temporary storage of sewage or other liquid waste.

Origin:

From middle english cesepol, cesepele, from old english cēos-pōl ("cesspool"), equivalent to cess +‎ pool.

Examples:

1. The house had a cesspool in the backyard that needed to be emptied regularly.
2. The sewage system in the town was outdated and needed to be replaced with modern methods such as cesspools.
3. The cesspool was not properly maintained, causing a terrible smell in the neighborhood.
4. The cesspool was not large enough to hold the waste produced by the factory.
5. The cesspool had to be closed down as it was not meeting the environmental standards.