Although some stretches of the river are popular recreation areas, others are heavily polluted by untreated waste.
There are strong suspicions that untreated medical waste is creating some of the most disgusting and dangerous stretches of the river.
The government has been criticized for its inability or unwillingness to stop the industrial units of the city from releasing untreated waste into the water.
Even in Europe untreated human waste is spread on farm fields.
Factories feed the sea a buffet of nickel, cadmium, sulfur and untreated human waste.
The group said that 7.9 billion gallons of water containing untreated waste escaped from the city's 14 treatment plants last year.
Loose environmental requirements allow cruise ships to dump everything overboard except untreated and solid waste.
Victoria, British Columbia also follows a similar practice by getting rid of their untreated waste into the ocean.
They flood during heavy rains and the houses drain untreated waste into Hook Creek.
There are massive amounts of untreated nuclear waste being stored in pond B30.
