4Chowpatty Beach, Mumbai, India
Source: Link
Chowpatty is one of the most polluted beaches around the world. Its waters have become the dumping ground of storm drains and even raw sewage, and fecal coliform levels in the water reached 1455 per 100 mL in 2013 — too far above the acceptable level of 500 per 100 mL. Click the next ARROW to see the next image!