date:Mar 15, 2013
ality meets the national sanitary standards for drinking water.
The dead pigs were removed quickly. The polluted stream does not affect the water directly around the water plant, Liu said on Thursday.
Officials said circovirus has been added as a key indicator in water quality tests. Other indicators including streptococcus suis, salmonella and E coli O157, are also being tested for.
Some aquatic plant barriers have also been established in the Songjiang section of the river.
Residents remai