Question Summary:
Is It Permissible To Consume Fish That Lives In Polluted Water?

Question Detail:

Is it permissible to consume fish that lives in dirty polluted water?

Answer :

 
In the Name of Allah, the Most Gracious, the Most Merciful.
As-salāmu ‘alaykum wa-rahmatullāhi wa-barakātuh.
 
Fish are halal to consume regardless of the condition of the water in which they live.[i]
 
And Allah Ta’āla Knows Best
 
Saanwal ibn Muhammad,
Student Darul Iftaa
UK   
 
Checked and Approved by,
Mufti Ebrahim Desai Saheb