The campaigners of Bagmati Cleanup Campaign said this after witnessing such incident on the occasion of 205th week of the Campaign today.
Environmentalist Sagar Sigdel said the fish died in the river due to paucity of oxygen following the mixture of human excreta in the river.
The Ramro Jorpati, Hamro Jorpati and Pudasainin Maitri Samaj had started the Bagmati Cleanup Campaign in the region above Guheshwori for past four years on.
The number of people taking bath in Bagmati river in Jorpati area last year is not visible this year due to increased level of pollution.
Chairman of Samaj Uttam Pudasaini said the human excreta and garbage are again mixed up in the river and people have left to visit the riverbank.
Pudasaini said dead fish were found today while cleaning the river.
On Saturday, a total of 30 metric tonnes of waste was managed from river cleanup in the valley and ring road cleanup campaign.
Six metric tonnes of waste was managed from Bagmati-Manohara area on the 244th week of Bagmati Cleanup Campaign. Narendra Raj Basnet of High Powered Bagmati Cleanup Committee Narendra Raj Basnet, singer Komal Oli, campaigner LP Bhanu Sharma, security personnel and others participated in the cleanup campaign.
Likewise, the Rudramati river cleanup campaign entered 199th week. Around 200 people joined the campaign today to clean up the river along Ratopul-Maitidevi-Setopul-Rudranagar areas.
Similarly, five metric tonnes of waste was collected and managed from Bishnumati river cleanup campaign that entered 172th week today.
Furthermore, 12 metric tonnes of waste was managed after the ring road cleanup campaign that entered 40th week.
Maiti Nepal Chairperson Anuradha Koirala, personnel of Nepal Army and Armed Police Force, Nepal and Nepal Police joined the campaign.