Purity: Prohibition of Disrespectful Burial Sites

Practical Laws of Islam as per the teachings of Ayatullah Sistani

Ruling 610:

It is not permitted to bury a Muslim in a place that is disrespectful to him, such as a place where rubbish and dirt are thrown.

-Ayatullah Sistani, Practical Laws of Islam, Purification (Taharah)