By Huu Nghi | dtinews.vn
 
Sewage from hospitals and factories are currently poured into the To Lich, Kim Nguu, Set, Lu and Nhue rivers.
 
Up to 650,000 cubic metres of  wastewater in Hanoi's inner-city areas is discharged directly into  rivers and lakes a day while there are only three wastewater treatment  plants in with a total capacity of over 206,000 cubic metres per day.
 
According to a report by Hanoi  Sewerage and Drainage Limited Company, Hanoi's inner-city areas have 119  lakes, including 72 polluted lakes which need to be dealt with in the  fourth quarter of this year.
 
Hanoi authorities have tested a  special product from Germany to clean water in some polluted lakes such  as Giap Bat, Ho Me and Ba Mau with positive results.
 
The city will use the chemical for treated local polluted lakes. 
 

 
The section of To Lich River at Ta Thanh Oai area in Thanh Tri District 
 

 
Despite  being dredged frequently, To Lich River sections running through Kim  Giang area in Thanh Xuan District always have bad smell  
 

 
Wastewater drains pouring into To Lich River 
 

 
A seriously polluted section of Kim Nguu River near Minh Khai Street 
 

 
A board calling people not to throw rubbish into Kim Nguu River  
 
 
  
 

 
The intersection between To Lich and Nhue rivers   
 
 
   
 

 
Nhue River
 

 
Nhue River after untreated wastewater  
 

 
A section of Set River running along Truong Dinh Street 
 

 
Waste on the bank of Set River  
 

 
Lu River